id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A052710
[ 0, 0, 0, 0, 1, 4, 14, 52, 201, 792, 3168, 12844, 52676, 218148, 910996, 3832072, 16222352, 69061200, 295477550, 1269863304, 5479456290, 23730089460, 103109502780, 449376255840, 1963920878400, 8604858967692, 37790621078040, 166329352089096, 733551460238308 ]
[ "easy", "nonn" ]
A074909
[ 1, 1, 2, 1, 3, 3, 1, 4, 6, 4, 1, 5, 10, 10, 5, 1, 6, 15, 20, 15, 6, 1, 7, 21, 35, 35, 21, 7, 1, 8, 28, 56, 70, 56, 28, 8, 1, 9, 36, 84, 126, 126, 84, 36, 9, 1, 10, 45, 120, 210, 252, 210, 120, 45, 10, 1, 11, 55, 165, 330, 462, 462, 330, 165, 55, 11 ]
[ "easy", "nonn", "tabl" ]
A358827
[ 1, 1, 1, 3, 3, 7, 11, 19, 27, 51, 83, 128, 208, 324, 542, 856, 1332, 2047, 3371, 5083, 8009, 12545, 19478, 29770, 46038, 70777, 108627, 167847, 255408, 388751, 593475, 901108, 1361840, 2077973, 3125004, 4729056, 7146843, 10732799, 16104511, 24257261, 36305878 ]
[ "nonn" ]
A262274
[ 2, 4, 4, 7, 16, 7, 13, 49, 49, 13, 26, 169, 149, 169, 26, 52, 676, 585, 585, 676, 52, 103, 2704, 3639, 3253, 3639, 2704, 103, 205, 10609, 23977, 37061, 37061, 23977, 10609, 205, 410, 42025, 129481, 467065, 828152, 467065, 129481, 42025, 410, 820, 168100 ]
[ "nonn", "tabl" ]
A018730
[ 1, 5, 11, 17, 55, 85, 187, 935 ]
[ "nonn", "fini", "full", "easy" ]
A349489
[ 1, 3, 9, 17, 32, 50, 71, 95, 131, 171, 215, 263, 328, 398, 473, 553, 638, 728, 842, 962, 1088, 1220, 1358, 1502, 1677, 1859, 2048, 2244, 2447, 2657, 2874, 3098, 3362, 3634, 3914, 4202, 4498, 4802, 5114, 5434, 5803, 6181, 6568, 6964, 7369, 7783, 8206, 8638, 9079, 9529, 10039 ]
[ "nonn" ]
A031382
[ 13, 43, 79, 113, 163, 199, 251, 293, 349, 397, 443, 491, 557, 601, 647, 701, 757, 821, 863, 929, 983, 1033, 1091, 1151, 1213, 1277, 1307, 1399, 1451, 1493, 1559, 1609, 1667, 1733, 1789, 1871, 1931, 1997, 2053, 2111, 2161, 2243, 2297, 2357 ]
[ "nonn" ]
A203747
[ 2, 25, 1300, 666536, 1866588100, 40227366213200, 5615962423683300000, 5.515452582144086e+24, 3.6695607554641783e+31, 1.6819848496933486e+39 ]
[ "nonn" ]
A160362
[ 1, 3, -503, -4581, 758865, 11658483, -1907718951, -41538016629, 6712650670497, 190277668123875, -30361061285278550, -1065304844650075600, 167797582624738570000, 7.04862571340428e+21, -1.095714832810047e+24, -5.381169361211203e+25, 8.253654835144825e+27 ]
[ "sign", "frac" ]
A244001
[ 3, 7, 11, 20, 28, 63, 72, 79, 688, 795, 999, 2716, 13220, 15940, 17903, 26832, 28416, 33448, 117923 ]
[ "nonn", "more" ]
A141241
[ 1, 4, 4, 4, 6, 4, 4, 6, 6, 4, 4, 8, 4, 4, 6, 8, 6, 4, 4, 4, 9, 4, 4, 8, 8, 6, 6, 4, 10, 6, 4, 6, 8, 4, 8, 4, 4, 12, 4, 6, 4, 8, 6, 4, 8, 12, 4, 6, 6, 4, 8, 10, 4, 12, 4, 4, 4, 8, 12, 4, 6, 4, 4, 4, 12, 6, 6, 9, 8, 8, 8, 4, 12, 8, 4, 10, 8, 4, 6, 6, 4, 4, 16, 4, 4, 6, 4, 12, 8, 4, 8, 12, 4, 4, 8, 8, 8, 12, 4 ]
[ "nonn" ]
A324355
[ 0, 1, 11, 109, 1115, 12151, 142205, 1788361, 24118967, 347811859, 5345895929, 87298986325, 1510075068419, 27590646911023, 531082929791861, 10743610293871680, 227906995674679520, 5059315590877577000, 117308151182930800000, 2.8359885215006054e+21 ]
[ "nonn" ]
A001322
[ 12, 10206, 2148007936, 149011627197265630, 5.157212399256236e+27, 1.2846178876052944e+41, 3.1385508676933404e+57 ]
[ "nonn" ]
A105939
[ 20, 140, 560, 1680, 4200, 9240, 18480, 34320, 60060, 100100, 160160, 247520, 371280, 542640, 775200, 1085280, 1492260, 2018940, 2691920, 3542000, 4604600, 5920200, 7534800, 9500400, 11875500, 14725620, 18123840, 22151360, 26898080, 32463200, 38955840, 46495680 ]
[ "easy", "nonn" ]
A337301
[ 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 3, 3, 3, 3, 2, 2, 3, 3, 3, 3, 3, 2, 2, 3, 3, 4, 4, 3, 3, 2, 2, 3, 3, 4, 4, 4, 3, 3, 2, 2, 3, 3, 4, 4, 4, 4, 3, 3, 2, 2, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 3, 4, 4, 5, 5, 5, 5, 4, 4, 3, 2, 2, 3, 4, 4, 5, 5, 5, 5, 5, 4, 4, 3, 2 ]
[ "easy", "nonn", "tabl" ]
A000148
[ 1, 2, 7, 15, 28, 45, 70, 100, 138, 183, 242, 310, 388, 481, 583, 701, 838, 984, 1152, 1337, 1535, 1757, 2001, 2262, 2545, 2855, 3183, 3540, 3926, 4335, 4770, 5233, 5728, 6248, 6801, 7388, 8005, 8658, 9345, 10064, 10824, 11620, 12452, 13324, 14236 ]
[ "nonn" ]
A070174
[ 2, 3, 11, 23, 29, 37, 43, 73, 79, 83, 113, 131, 151, 179, 191, 197, 211, 223, 233, 239, 251, 263, 283, 317, 337, 359, 367, 397, 419, 431, 443, 461, 463, 487, 491, 499, 547, 557, 571, 577, 593, 601, 617, 619, 641, 659, 683, 719 ]
[ "easy", "nonn" ]
A195889
[ 1, 1, 11, 671, 241221, 584257875 ]
[ "nonn" ]
A309116
[ 1, 3, 25, 1299, 1974452, 94345468975, 152799292695935100, 1.0526127565809458e+25, 3.8375912431199017e+34, 9.0020764755601e+45, 1.6201596662693894e+59 ]
[ "nonn" ]
A227843
[ 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 2592, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 2458624, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296, 8589934592 ]
[ "nonn", "base" ]
A244567
[ 0, 1, 1, 2, 3, 1, 2, 4, 5, 3, 6, 7, 1, 2, 4, 8, 9, 5, 10, 5, 10, 11, 3, 6, 12, 13, 7, 14, 15, 1, 2, 4, 8, 16, 17, 9, 18, 19, 20, 21, 5, 10, 11, 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 3, 6, 12, 21, 30, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43 ]
[ "nonn", "tabf", "look" ]
A080882
[ 1, 3, 7, 22, 52, 164, 388, 1224, 2896, 9136, 21616, 68192, 161344, 508992, 1204288, 3799168, 8988928, 28357376, 67094272, 211662336, 500798464, 1579869184, 3738010624, 11792304128, 27900891136, 88018956288, 208255086592 ]
[ "nonn" ]
A229422
[ 5, 12, 27, 55, 102, 175, 282, 432, 635, 902, 1245, 1677, 2212, 2865, 3652, 4590, 5697, 6992, 8495, 10227, 12210, 14467, 17022, 19900, 23127, 26730, 30737, 35177, 40080, 45477, 51400, 57882, 64957, 72660, 81027, 90095, 99902, 110487, 121890, 134152 ]
[ "nonn" ]
A378306
[ 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1 ]
[ "nonn" ]
A185565
[ 4096, 45562500, 504547256880, 5586628402633500, 61858104930689320000, 6.849256187127292e+23, 7.583858300260627e+27, 8.397248569082622e+31, 9.297877246531485e+35 ]
[ "nonn" ]
A374707
[ 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 90, 104, 119, 135, 151, 169, 188, 208, 229, 251, 274, 298, 322, 348, 375, 402, 431, 461, 492, 524, 556, 590, 623, 659, 695, 733, 772, 811, 851, 893, 936, 980, 1025, 1071, 1118, 1166, 1213, 1263, 1314, 1365, 1418, 1471, 1525, 1580, 1637, 1695, 1753 ]
[ "nonn" ]
A244344
[ 582, 1164, 1746, 2328, 3492, 4656, 5238, 6410, 6984, 9312, 10476, 12820, 13968, 15714, 18624, 20952, 25640, 27936, 31428, 32050, 33838, 37248, 41904, 47142, 51280, 55872, 56454, 62856, 64100, 67676, 74496, 83808, 94284, 102560, 111744, 112908, 125712, 128200 ]
[ "nonn" ]
A085454
[ 0, 1, 2, 2, 2, 4, 3, 3, 6, 6, 4, 5, 8, 10, 8, 5, 8, 11, 16, 14, 10, 6, 12, 16, 24, 24, 18, 12, 7, 17, 24, 35, 40, 32, 22, 14, 8, 23, 36, 51, 64, 56, 40, 26, 16, 9, 30, 53, 75, 99, 96, 72, 48, 30, 18, 10, 38, 76, 111, 150, 160, 128, 88, 56, 34, 20, 11, 47, 106, 164, 225, 259, 224, 160, 104, 64, 38, 22 ]
[ "nonn", "tabl" ]
A150372
[ 1, 2, 7, 23, 94, 372, 1601, 6859, 30453, 135845, 616764, 2817542, 12999781, 60321173, 281686783, 1321486207, 6227878448, 29458162344, 139817921161, 665585392406, 3176982885480, 15200786463565, 72890162063702, 350208999904052, 1685662658510866, 8127023245849525, 39241967006575780, 189747828370462270 ]
[ "nonn", "walk" ]
A112814
[ 105, 106, 107, 108, 109, 2625, 2626, 2627, 2628, 2629, 2630, 2631, 2632, 2633, 2634, 2635, 2636, 2637, 2638, 2639, 2640, 2641, 2642, 2643, 2644, 2645, 2646, 2647, 2648, 2649, 2650, 2651, 2652, 2653, 2654, 2655, 2656, 2657, 2658, 2659, 2660, 2661, 2662 ]
[ "nonn" ]
A025964
[ 1, 23, 359, 4843, 61287, 753315, 9137263, 110167211, 1324737623, 15911030707, 191005360767, 2292437677179, 27511152416359, 330143464656899, 3961770291040271, 47541489215721544, 570499107794719100 ]
[ "nonn", "easy" ]
A275066
[ 945, 1575, 2520, 1008, 4500, 2640, 4416, 51696, -2592, 2160, 9504, 5616, 28080, 18720, -8280, 24660, 8100, 18576, 4464, 15840, 5184, 123228, 26460, 25704, 3024, 68400, 31203, 31293, 15264, 110880, 12960, 9720, 16200, -25920, 77760, 35640, 71880, 57288, 49032, 97200 ]
[ "sign" ]
A330418
[ 0, 112, 1120, 3122, 11114, 11200, 13004, 13202, 30014, 30212, 31220, 33024, 33222, 111140, 112000, 112112, 113142, 130040, 132020, 300140, 302120, 312114, 312200, 313144, 330240, 332220, 500142, 502122, 511144, 512004, 512202, 530044, 530242, 532024, 532222 ]
[ "nonn", "base" ]
A296342
[ 0, 1, 2, 8, 10, 12, 18, 21, 37, 43, 51, 52, 56, 95, 99, 101, 102, 135, 147, 192, 193, 217, 222, 224, 270, 299, 330, 340, 374, 407, 443, 456, 519, 546, 557, 558, 674, 675, 703, 704, 735, 736, 865, 866, 917, 918, 971, 1025, 1026, 1120, 1179, 1198, 1301, 1342 ]
[ "nonn" ]
A271624
[ 2, 4, 10, 20, 34, 52, 74, 100, 130, 164, 202, 244, 290, 340, 394, 452, 514, 580, 650, 724, 802, 884, 970, 1060, 1154, 1252, 1354, 1460, 1570, 1684, 1802, 1924, 2050, 2180, 2314, 2452, 2594, 2740, 2890, 3044, 3202, 3364, 3530, 3700, 3874, 4052, 4234, 4420, 4610, 4804, 5002, 5204, 5410, 5620 ]
[ "nonn", "easy" ]
A090953
[ 3, 5, 179, 809, 3359, 4217, 6761, 9419, 9431, 18041, 21587, 26861, 49367, 62969, 62981, 67187, 72221, 72227, 80447, 82721, 91127, 97841, 98897, 103967, 109829, 122597, 154157, 178037, 203321, 208931, 225749, 227609, 236867, 243671, 251201 ]
[ "nonn" ]
A208649
[ 1, 1, 1, 3, 6, 40, 150, 2100, 14700, 423360, 5556600, 325987200, 8068183200, 958961203200, 44996257706400, 10799101849536000, 965169727802280000, 466713183932835800000, 7.977513868176965e+22 ]
[ "nonn" ]
A002637
[ 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 2, 1, 1, 2, 1, 2, 2, 3, 3, 2, 3, 2, 2, 2, 1, 2, 1, 3, 3, 3, 4, 3, 3, 2, 3, 3, 1, 2, 3, 4, 4, 3, 4, 3, 4, 3, 3, 3, 3, 3, 4, 5, 5, 3, 3, 4, 4, 3, 2, 4, 3, 4, 4, 5, 6, 5, 5, 4, 5, 6, 3, 4, 4, 6, 5, 4, 5, 4, 6, 4, 5, 6, 4, 3, 3, 8, 7, 5, 6, 5, 7, 5, 6, 5, 3, 6, 5, 7, 7 ]
[ "nonn", "easy" ]
A326372
[ 2, 3, 5, 13, 82, 2647, 1422565, 229809982113, 423295099074735240000 ]
[ "nonn", "more" ]
A003793
[ 1, 12, 5616, 6065280, 237783237120, 21032402889738240, 6.703422210133904e+22, 4.8086060745286146e+29, 1.2419052460059208e+38 ]
[ "nonn", "easy" ]
A243288
[ 1, 2, 4, 3, 8, 6, 16, 5, 9, 12, 32, 10, 25, 22, 81, 7, 18, 13, 36, 17, 54, 42, 242, 14, 49, 34, 150, 30, 128, 99, 882, 11, 27, 24, 100, 19, 64, 46, 256, 23, 98, 68, 490, 55, 338, 279, 4624, 20, 72, 62, 432, 44, 245, 178, 2209, 40, 216, 154, 1800, 119, 1200, 966 ]
[ "nonn" ]
A234917
[ 1200, 3912, 13336, 55492, 221272, 990956, 4151672, 19178920, 82629808, 389619632, 1717580400, 8224749716, 36995561312, 179190965356, 820121135880, 4004385313088, 18595010158432, 91280836990776, 428929645226328 ]
[ "nonn" ]
A122111
[ 1, 2, 4, 3, 8, 6, 16, 5, 9, 12, 32, 10, 64, 24, 18, 7, 128, 15, 256, 20, 36, 48, 512, 14, 27, 96, 25, 40, 1024, 30, 2048, 11, 72, 192, 54, 21, 4096, 384, 144, 28, 8192, 60, 16384, 80, 50, 768, 32768, 22, 81, 45, 288, 160, 65536, 35, 108, 56, 576, 1536, 131072, 42 ]
[ "nonn", "nice" ]
A033631
[ 1, 87, 362, 1257, 1798, 5002, 9374, 21982, 22436, 25978, 35306, 38372, 41559, 50398, 51706, 53098, 53314, 56679, 65307, 68037, 89067, 108946, 116619, 124677, 131882, 136551, 136762, 138975, 144014, 160629, 165554, 170037, 186231, 192394, 197806 ]
[ "nonn" ]
A076725
[ 1, 1, 2, 5, 41, 2306, 8143397, 94592167328105, 1.3345346031444633e+28, 2.581592044350476e+56 ]
[ "nonn", "nice" ]
A059919
[ 4, 10, 82, 6562, 43046722, 1853020188851842, 3.4336838202925124e+30, 1.1790184577738583e+61 ]
[ "easy", "nonn" ]
A229231
[ 5, 6, 7, 9, 11, 17 ]
[ "nonn", "fini", "full" ]
A238919
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 232, 1452, 6494, 25286, 90304, 307450, 1014007, 3287295, 10616111, 34460913, 112044376, 364112828, 1180542604, 3814897196, 12278519104, 39353932208, 125637022720, 399749617604, 1268585240868, 4017417046988, 12700795616136 ]
[ "nonn" ]
A118903
[ 12, 48, 60, 108, 120, 168, 192, 240, 300, 360, 420, 432, 480, 540, 588, 660, 672, 768, 960, 972, 1008, 1080, 1092, 1200, 1260, 1440, 1452, 1500, 1512, 1680, 1728, 1848, 1920, 1980, 2028, 2160, 2352, 2448, 2640, 2688, 2700, 2772, 2940, 3000 ]
[ "nonn" ]
A105363
[ 1, 2, 3, 5, 4, 6, 7, 9, 8, 11, 10, 12, 13, 15, 14, 17, 16, 19, 21, 18, 23, 25, 20, 22, 24, 27, 29, 26, 28, 31, 33, 30, 35, 32, 37, 34, 39, 41, 36, 43, 38, 45, 40, 42, 47, 49, 51, 53, 44, 46, 55, 48, 57, 50, 59, 52, 61, 54, 56, 63, 58, 65, 67, 60, 62, 69, 64, 71, 66, 68, 73, 75 ]
[ "nonn" ]
A250012
[ 77700, 412160, 2224848, 12088256, 65834856, 358850926, 1956551556, 10675467072, 58265451392, 318035896726, 1736031995536, 9476509948438, 51730456261496, 282392239338566, 1541573535938290, 8415469692133606, 45940290780213820 ]
[ "nonn" ]
A140909
[ 1, 792, 169884, 16195608, 868489479, 30107635272, 739309710568, 13710834632352, 201299981193168, 2424984388825856, 24648355308799870, 216147115784860400, 1665094848682410200, 11437167331673750000, 70921650365525950000, 401206240199887950000 ]
[ "nonn" ]
A152578
[ 7, 27, 627, 390627, 152587890627, 2.3283064365386964e+22, 5.421010862427522e+44 ]
[ "nonn", "easy" ]
A267455
[ 3, 13, 43, 61, 79, 103, 127, 139, 157, 181, 199, 211, 277, 283, 313, 337, 367, 373, 433, 439, 523, 547, 571, 601, 607, 673, 727, 751, 757, 823, 829, 859, 883, 907, 919, 937, 991, 997, 1039, 1063, 1069, 1093, 1117, 1153, 1171, 1213, 1231, 1249, 1291, 1297, 1303, 1327, 1381, 1429, 1447, 1453, 1459, 1483 ]
[ "nonn", "easy" ]
A117160
[ 1, 1, 2, 4, 9, 19, 43, 94, 210, 464, 1035, 2295, 5111, 11352, 25259, 56145, 124888, 277669, 617554, 1373201, 3053883, 6790995, 15102178, 33583784, 74684504, 166082706, 369337117, 821331578, 1826484804, 4061741926, 9032530513 ]
[ "nonn" ]
A082148
[ 1, 1, 11, 131, 1661, 22101, 305151, 4335711, 63009881, 932449961, 14004694451, 212944033051, 3271618296661, 50711564152381, 792088104593511, 12454801769554552, 196991734871121200, 3131967533789345300, 50026642742943420000, 802406215117502000000 ]
[ "nonn" ]
A060549
[ 0, 1, 2, 2, 6, 6, 12, 14, 28, 28, 60, 60, 120, 124, 248, 248, 504, 504, 1008, 1016, 2032, 2032, 4080, 4080, 8160, 8176, 16352, 16352, 32736, 32736, 65472, 65504, 131008, 131008, 262080, 262080, 524160, 524224, 1048448, 1048448, 2097024, 2097024 ]
[ "easy", "nonn" ]
A329763
[ 5, 7, 5, 41, 25, 97, 2977, 64001, 28094849, 852235297, 702374178881 ]
[ "nonn" ]
A224386
[ 20, 400, 6094, 86701, 1268572, 18794636, 279128617, 4142692993, 61481903024, 912523782542, 13544525098266, 201041292342421, 2984053971336637, 44292278131103240, 657430060365000600, 9758232360460993000 ]
[ "nonn" ]
A170228
[ 1, 27, 702, 18252, 474552, 12338352, 320797152, 8340725952, 216858874752, 5638330743552, 146596599332352, 3811511582641152, 99099301148669950, 2576581829865419000, 66991127576500890000, 1.741769316989023e+21 ]
[ "nonn" ]
A374223
[ 8, 14, 20, 24, 26, 35, 38, 42, 44, 50, 60, 62, 65, 68, 72, 74, 77, 78, 86, 92, 95, 105, 110, 114, 116, 119, 122, 125, 126, 132, 134, 143, 146, 150, 155, 158, 160, 161, 164, 170, 180, 185, 186, 188, 194, 195, 196, 203, 204, 206, 209, 212, 215, 216, 218, 221, 222, 230, 231, 234, 236, 242, 254, 258, 275, 276, 278, 280 ]
[ "nonn" ]
A012228
[ 1, -2, 24, -944, 77952, -10623744, 2145104896, -602082207744, 224357319278592, -107165894175948800, 63836869263529080000, -4.639024352254786e+22, 4.039228894160261e+25 ]
[ "sign" ]
A215106
[ 3, 5, 17, 47, 61, 71, 83, 113, 127, 137, 149, 157, 179, 181, 193, 223, 269, 281, 311, 313, 347, 379, 401, 421, 443, 457, 467, 479, 487, 509, 523, 577, 599, 619, 641, 643, 677, 709, 743, 751, 773, 787, 797, 809, 839, 853, 863, 883, 907, 919, 929, 941, 971 ]
[ "nonn" ]
A033288
[ 1, 0, 0, 0, 6160, 27104, 157080, 633600, 2152920, 6049120, 15601432, 37243360, 81265800, 166554080, 325036800, 603357216, 1082004000, 1863350720, 3121660080, 5069606080, 8058310568, 12471782400, 19002534320, 28292374880, 41585775000, 59922289504, 85450069320 ]
[ "nonn" ]
A377607
[ 1, 6, 13, 22, 33, 46, 61, 69, 73, 78, 94, 97, 109, 118, 141, 157, 166, 177, 181, 193, 213, 214, 222, 241, 249, 253, 262, 277, 286, 313, 321, 334, 337, 358, 366, 382, 393, 397, 409, 421, 429, 433, 438, 454, 457, 478, 481, 501, 502, 517, 526, 537, 541, 573, 598, 601, 613, 622, 649, 654, 661 ]
[ "nonn" ]
A220398
[ 1, 2, 5, 8, 3, 4, 4, 6, 2, 162, 322, 2, 51842, 103682, 2, 5374978562, 10749957122, 2, 57780789062419260000, 115561578124838520000, 2, 6.677239169351579e+39, 1.3354478338703158e+40, 2 ]
[ "nonn", "easy" ]
A382059
[ 1, 1, 7, 127, 3733, 152161, 7939261, 505087843, 37920697753, 3281899787137, 321700411900441, 35227497466867532, 4262151791317099500, 564639582580738900000, 8.129010419928721e+22, 1.2637400195063383e+25, 2.109868901338066e+27, 3.765048526885215e+29 ]
[ "nonn" ]
A215395
[ 1, 1, 1, 2, 0, 3, 0, 4, 0, 0, 11, 12, 13, 0, 5, 8, 0, 42, 38, 50, 7, 77, 115, 120, 125, 117, 135, 210, 348, 645, 837, 928, 792, 986 ]
[ "nonn" ]
A166567
[ 3, 13, 17, 31, 53, 59, 71, 103, 107, 149, 167, 211, 233, 239, 251, 257, 293, 347, 383, 389, 419, 431, 479, 491, 503, 509, 521, 563, 569, 587, 617, 653, 659, 677, 701, 743, 761, 839, 857, 929, 941, 947, 983, 1021, 1049, 1061, 1151, 1193, 1201 ]
[ "nonn", "base" ]
A183031
[ 1, 1, 7, 1, 4, 2, 3, 5, 8, 2, 2, 3, 0, 9, 3, 5, 0, 6, 2, 6, 0, 8, 4, 6, 6, 1, 1, 1, 5, 9, 3, 4, 2, 7, 8, 7, 6, 1, 3, 5, 4, 5, 4, 2, 5, 5, 7, 5, 8, 1, 5, 8, 3, 5, 7, 0, 5, 0, 6, 2, 8, 5, 6, 9, 7, 6, 1, 3, 4, 6, 7, 7, 8, 0, 0, 3, 8, 7, 3, 6, 1, 6, 7, 9, 4 ]
[ "nonn", "cons" ]
A063688
[ 1, 1, 3, 10, 39, 164, 746, 3474, 16658, 81166, 401169, 2004517, 10110757, 51402250, 263133142, 1355126922, 7016115632, 36498130908, 190673015083, 999932115039, 5262094054524, 27779114013628, 147072756065567, 780722981065006 ]
[ "nonn" ]
A003320
[ 1, 1, 1, 2, 4, 9, 27, 81, 256, 1024, 4096, 16384, 78125, 390625, 1953125, 10077696, 60466176, 362797056, 2176782336, 13841287201, 96889010407, 678223072849, 4747561509943, 35184372088832, 281474976710656, 2251799813685248 ]
[ "nonn", "easy", "nice" ]
A102744
[ 3, 12, 37, 57, 60, 70, 75, 85, 89, 92, 131, 147, 161, 166, 177, 181, 182, 194, 200, 211, 224, 228, 233, 242, 244, 255, 259, 260, 265, 269, 271, 281, 285, 293, 294, 321, 325, 329, 336, 343, 364, 367, 394, 402, 415, 425, 435, 445, 464, 465, 484, 499, 522, 531 ]
[ "nonn" ]
A059071
[ 1, 44, 45, 20, 10, 0, 1, 440192, 975360, 1035680, 696320, 329600, 114176, 31040, 5120, 1280, 0, 32, 52097831424, 179811290880, 298276007040, 315423836640, 237742646400, 135296008128, 60059024640 ]
[ "nonn", "tabf", "nice" ]
A345997
[ 60, 70, 84, 90, 120, 126, 130, 154, 170, 195, 198, 204, 210, 220, 228, 230, 234, 238, 240, 252, 255, 264, 273, 280, 312, 315, 330, 340, 348, 360, 364, 370, 372, 374, 378, 385, 390, 396, 399, 414, 418, 420, 430, 434, 440, 450, 455, 456, 460, 462, 468, 470 ]
[ "nonn" ]
A050657
[ 23, 41, 47, 53, 71, 79, 83, 91, 99, 113, 149, 181, 217, 229, 289, 293, 311, 349, 359, 361, 379, 417, 421, 433, 517, 523, 541, 587, 593, 617, 619, 661, 669, 699, 701, 719, 727, 769, 787, 789, 797, 881, 923, 933, 959, 969, 971, 1057, 1077, 1149, 1169, 1327 ]
[ "nonn", "base" ]
A100806
[ 1, 2, 3, 4, 5, 7, 6, 8, 9, 11, 10, 13, 12, 15, 16, 14, 17, 19, 18, 21, 22, 23, 20, 25, 24, 27, 26, 29, 28, 32, 30, 31, 34, 35, 36, 37, 33, 39, 40, 41, 38, 44, 42, 45, 46, 47, 43, 49, 48, 51, 52, 53, 50, 55, 56, 57, 58, 59, 54, 62, 60, 63, 64, 61, 66, 68, 65, 69, 70, 72, 67, 73 ]
[ "nonn" ]
A211935
[ 2, 9, 150, 3232, 82614, 2332374 ]
[ "nonn" ]
A270649
[ 0, 4, 3, 5, 5, 4, 6, 5, 6, 5, 6, 7, 6, 7, 7, 7, 7, 8, 7, 6, 6, 7, 6, 8, 7, 7, 7, 8, 7, 6, 8, 7, 8, 9, 8, 8, 7, 9, 9, 7, 8, 7, 8, 9, 8, 8, 7, 9, 8, 9, 9, 8, 9, 8, 9, 9, 10, 8, 8, 10, 9, 8, 8, 10, 9, 10, 8, 8, 10, 9, 9, 8, 10, 8, 9, 9, 8, 9, 10, 9, 9, 9, 10 ]
[ "nonn", "easy" ]
A206203
[ 29724, 22576, 27400, 70168, 118936, 236488, 713408, 1226384, 2475328, 7286528, 12463904, 24915264, 72915680, 124641664, 249152672, 729156800, 1246416640, 2491526720, 7291568000, 12464166400, 24915267200, 72915680000, 124641664000 ]
[ "nonn" ]
A388951
[ 1, 1, 4, 1, 9, 9, 7, 9, 8, 9, 8, 9, 5, 3, 0, 5, 5, 7, 1, 0, 5, 6, 0, 4, 7, 4, 4, 4, 2, 3, 8, 1, 4, 5, 2, 9, 1, 7, 0, 8, 0, 9, 7, 8, 7, 9, 8, 1, 6, 0, 1, 5, 5, 9, 5, 9, 7, 6, 3, 3, 6, 2, 4, 1, 5, 3, 5, 5, 6, 1, 3, 5, 3, 3, 9, 1, 4, 6, 7, 3, 7, 7, 2, 6, 6, 7, 6 ]
[ "nonn", "cons" ]
A386695
[ 8, 5, 9, 4, 9, 3, 6, 4, 6, 1, 9, 1, 3, 0, 0, 5, 3, 1, 5, 5, 5, 4, 0, 9, 6, 3, 6, 9, 7, 9, 7, 3, 6, 3, 9, 2, 7, 0, 7, 4, 9, 7, 2, 2, 0, 5, 8, 7, 6, 9, 3, 3, 6, 1, 9, 0, 4, 0, 1, 9, 5, 2, 6, 5, 8, 5, 8, 1, 4, 3, 0, 7, 3, 7, 7, 1, 2, 6, 7, 8, 3, 5, 4, 2, 7, 0, 9, 4, 6, 7 ]
[ "nonn", "cons", "easy" ]
A106455
[ 0, 2, 10, 12, 50, 44, 42, 52, 178, 204, 170, 180, 682, 172, 210, 56, 226, 716, 2730, 820, 202, 684, 2738, 184, 10922, 2732, 722, 692, 690, 844, 43690, 228, 174770, 908, 2762, 2868, 174762, 10924, 2770, 824, 699050, 812, 43698, 2740, 738, 10956 ]
[ "nonn", "base" ]
A288110
[ 1, 0, 0, 1, 1, 3, 4, 10, 36, 83, 225, 573, 1444, 3996, 11840, 34057, 95573, 267643, 754744, 2167250, 6347944, 18754719, 55183269, 161366349, 471263668, 1382569548, 4085677052, 12145287569, 36193473369, 107824201547, 320874528844, 954819540526, 2845349212512 ]
[ "nonn" ]
A385860
[ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 3, 0, 1, 1, 0, 1, 2, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 0, 2, 1, 1, 1 ]
[ "nonn" ]
A276468
[ 1, 2, 2, 1, 4, 1, 4, 2, 1, 7, 3, 1, 7, 6, 1, 1, 12, 8, 1, 1, 12, 12, 4, 1, 1, 19, 16, 5, 1, 1, 19, 25, 8, 2, 1, 1, 30, 34, 9, 2, 1, 1, 30, 44, 17, 6, 2, 1, 1, 45, 59, 20, 7, 2, 1, 1, 45, 81, 31, 12, 3, 2, 1, 1, 67, 108, 36, 13, 3, 2, 1, 1, 67, 132, 64, 18, 9 ]
[ "nonn", "easy", "tabf" ]
A188211
[ 1, 1, 2, 1, 3, 5, 1, 4, 8, 18, 1, 5, 13, 33, 73, 1, 6, 18, 55, 141, 338, 1, 7, 25, 86, 252, 676, 1656, 1, 8, 32, 126, 414, 1242, 3370, 8512, 1, 9, 41, 177, 649, 2137, 6375, 17575, 45207, 1, 10, 50, 241, 967, 3486, 11322, 33885, 94257, 246448, 1, 11, 61, 318, 1394, 5444 ]
[ "nonn", "tabl" ]
A390478
[ 1, 1, 2, 6, 19, 62, 208, 713, 2485, 8776, 31329, 112848, 409582, 1496305, 5497421, 20298097, 75276698, 280264222, 1047133901, 3924785149, 14753034485, 55601758378, 210059094449, 795346129714, 3017577554390, 11470505925973, 43678731995219, 166597465935687 ]
[ "nonn", "new" ]
A081352
[ 1, 7, 11, 21, 29, 43, 55, 73, 89, 111, 131, 157, 181, 211, 239, 273, 305, 343, 379, 421, 461, 507, 551, 601, 649, 703, 755, 813, 869, 931, 991, 1057, 1121, 1191, 1259, 1333, 1405, 1483, 1559, 1641, 1721, 1807, 1891, 1981, 2069, 2163, 2255, 2353, 2449, 2551 ]
[ "nonn", "easy" ]
A174560
[ 0, 24, 0, 18000, 0, 52254720 ]
[ "nonn", "more", "uned" ]
A245873
[ 26, 239, 676, 1629, 3102, 5515, 8840, 13625, 19810, 28071, 38316, 51349, 67046, 86339, 109072, 136305, 167850, 204895, 247220, 296141, 351406, 414459, 485016, 564649, 653042, 751895, 860860, 981765, 1114230, 1260211, 1419296, 1593569 ]
[ "nonn" ]
A205272
[ 30799890, 9173723833, 2723625483808, 795473851332758, 233446295978015230, 68514158629820424000, 2.010057013112677e+22, 5.897626069731715e+24, 1.730408183581458e+27, 5.07710502684969e+29 ]
[ "nonn" ]
A233239
[ 1, 2, 3, 6, 19, 11, 23, 271, 313, 48, 99, 4504, 18744, 6046, 236, 452, 79201, 1212549, 1409129, 123352, 1248, 2136, 1419889, 79794804, 338046654, 107709266, 2565169, 6896, 10313, 25622596, 5267525102, 81477098771, 94601758339, 8259321811 ]
[ "nonn", "tabl" ]
A150506
[ 1, 2, 7, 25, 102, 414, 1805, 7815, 35323, 158644, 733072, 3369245, 15799972, 73770858, 349586259, 1650776523, 7883670078, 37542772998, 180365623658, 864515802872, 4172921778396, 20104175611203, 97408657759242, 471235087095606, 2290330542518136, 11117532170213076, 54174311113381970, 263709713662432670 ]
[ "nonn", "walk" ]
A130924
[ 0, 1, 3, 2, 7, 6, 8, 4, 5, 17, 18, 15, 14, 16, 20, 19, 21, 9, 10, 22, 11, 12, 13, 48, 46, 50, 49, 45, 40, 39, 41, 37, 38, 43, 42, 44, 47, 54, 55, 52, 51, 53, 57, 56, 58, 23, 24, 59, 25, 26, 27, 61, 60, 62, 28, 29, 63, 30, 31, 32, 64, 33, 34, 35, 36, 141, 145, 134, 133, 139 ]
[ "nonn" ]
A332892
[ 1, 0, 0, 1, 3, 8, 8, 8, 9, 0, 9, 7, 6, 5, 6, 4, 7, 4, 3, 8, 6, 7, 7, 7, 0, 0, 8, 4, 4, 0, 9, 7, 3, 7, 4, 0, 9, 2, 7, 8, 6, 5, 6, 1, 7, 3, 5, 5, 5, 7, 8, 1, 1, 4, 2, 0, 0, 6, 7, 9, 3, 1, 7, 0, 3, 1, 8, 8, 5, 3, 1, 1, 5, 4, 2, 0, 9, 6, 3, 8, 9, 7, 8, 4, 4, 0, 8 ]
[ "nonn", "cons" ]
A254300
[ 2812, 18098, 93326, 460326, 2313072, 11552577, 57873415, 290073742, 1451688456, 7262959692, 36306895375, 181350169411, 905256006521, 4516011284904, 22516704700238, 112215191429193, 559008725142913, 2783743320043295 ]
[ "nonn" ]
A226488
[ 0, 2, 17, 45, 86, 140, 207, 287, 380, 486, 605, 737, 882, 1040, 1211, 1395, 1592, 1802, 2025, 2261, 2510, 2772, 3047, 3335, 3636, 3950, 4277, 4617, 4970, 5336, 5715, 6107, 6512, 6930, 7361, 7805, 8262, 8732, 9215, 9711, 10220, 10742, 11277, 11825, 12386, 12960 ]
[ "nonn", "easy" ]
A007264
[ 1, 0, 51, 204, 681, 1956, 5135, 12360, 28119, 60572, 125682, 251040, 487426, 920568, 1699611, 3070508, 5445510, 9490116, 16283793, 27537708, 45959775, 75760640, 123471327, 199081632, 317814988 ]
[ "nonn" ]
A074266
[ 1, 216, 468, 810, 1550, 1638, 3744, 10880, 11340, 13965, 21700, 23716, 40176, 45847, 50274, 56896, 80262, 90720, 97969, 126360, 128744, 137940, 139159, 161728, 173600, 189728, 224450, 319579, 434511, 482790, 515450, 526500, 555660 ]
[ "nonn" ]