id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A257311
[ 4, 5, 15, 9, 21, 7, 49, 63, 33, 39, 13, 91, 105, 25, 45, 55, 75, 69, 81, 99, 111, 129, 43, 559, 169, 195, 85, 115, 165, 141, 153, 159, 183, 61, 549, 201, 213, 225, 175, 133, 19, 285, 231, 243, 273, 259, 315, 235, 265, 295, 355, 375, 279, 31, 403, 351, 309, 103 ]
[ "nonn" ]
A013766
[ 20, 160000, 1280000000, 10240000000000, 81920000000000000, 655360000000000000000, 5.24288e+24, 4.194304e+28, 3.3554432e+32, 2.68435456e+36, 2.147483648e+40 ]
[ "nonn", "easy" ]
A024329
[ 0, 0, 1, -3, 5, 10, -116, 126, 6054, -68760, 255336, 3099360, -53045136, 55156608, 10024873104, -175247246160, 693221858736, 29064929199744, -605379922107648, -445102785680256, 264990555297131900, -5736069117714298000 ]
[ "sign" ]
A184690
[ 81, 12288, 1841856, 275895264, 41325395328, 6189975781728, 927173138866560, 138877768818516670, 20801977386689524000, 3.115849763962378e+21, 4.667113885910336e+23, 6.990693927539372e+25 ]
[ "nonn" ]
A227338
[ 1, 4, 1, 12, 8, 1, 44, 40, 12, 1, 172, 176, 84, 16, 1, 772, 748, 468, 144, 20, 1, 3308, 3248, 2332, 984, 220, 24, 1, 14924, 14280, 11068, 5756, 1788, 312, 28, 1, 64956, 63768, 51472, 30760, 12108, 2944, 420, 32, 1, 294252, 285296, 237832, 155912, 72948, 22732, 4516 ]
[ "nonn", "walk", "tabl" ]
A024586
[ 7, 10, 12, 14, 16, 17, 18, 25, 29, 31, 33, 35, 36, 37, 45, 49, 51, 53, 54, 56, 57, 65, 69, 72, 74, 75, 76, 77, 87, 91, 93, 95, 97, 98, 99, 109, 113, 116, 118, 119, 121, 122, 133, 137, 140, 142, 144, 145, 146, 158, 163, 166, 168, 169, 171, 172, 186, 190, 193, 195, 197, 198, 199, 215 ]
[ "nonn" ]
A132247
[ 11, 13, 17, 19, 29, 31, 41, 43, 59, 61, 71, 73, 101, 103, 107, 109, 137, 139, 149, 151, 179, 181, 191, 193, 197, 199, 227, 229, 239, 241, 269, 271, 281, 283, 311, 313, 347, 349, 419, 421, 431, 433, 461, 463, 521, 523, 569, 571, 599, 601, 617, 619, 641, 643 ]
[ "easy", "nonn" ]
A093782
[ 5, 0, 17, 19, 127, 61, 2, 31, 97, 13, 23, 269, 53, 239, 181, 449, 541, 11, 953, 1741, 179, 1889, 823, 3209, 13619, 383, 6971, 10331, 45959, 13721 ]
[ "more", "nonn" ]
A379727
[ 1, 3, 7, 5, 11, 23, 47, 19, 13, 37, 151, 101, 29, 59, 17, 71, 41, 83, 167, 67, 271, 181, 727, 97, 1567, 6271, 113, 227, 911, 1823, 521, 149, 599, 109, 73, 197, 79, 53, 107, 43, 563, 347, 139, 31, 127, 89, 179, 359, 719, 1439, 2879, 443, 887, 7103, 14207, 5683, 421, 281, 1289, 2579, 607, 1621, 499, 1999, 5333, 10667, 251, 503, 733, 163, 131, 263, 211, 3391, 13567, 7753, 1723, 383, 307, 1231, 821, 173, 293 ]
[ "nonn" ]
A066041
[ 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5, 1, 2, 4, 6, 5, 6, 1, 3, 6, 8, 9, 7, 7, 1, 3, 6, 11, 12, 12, 9, 8, 1 ]
[ "nonn", "tabl", "more" ]
A089525
[ 77, 87, 455, 3386, 7811, 11926, 12233, 12705, 13448, 15382, 16338, 17462, 17844, 18387, 18580, 20577, 22492, 25001, 26060, 32604, 34578, 42718, 52713, 55807, 60272, 65730, 67963, 77232, 85964, 92239, 98963, 99587, 100386, 102163, 103689 ]
[ "nonn" ]
A145428
[ 1, 0, 2, 5, 5, 1, 9, 7, 4, 5, 6, 9, 3, 6, 8, 7, 1, 4, 0, 2, 3, 7, 6, 3, 1, 3, 0, 3, 0, 5, 6, 8, 6, 2, 2, 9, 2, 9, 1, 3, 6, 2, 6, 4, 9, 9, 2, 3, 7, 0, 9, 6, 2, 3, 0, 2, 2, 7, 9, 5, 3, 9, 7, 4, 1, 5, 5, 2, 4, 9, 2, 7, 2, 4, 5, 0, 5, 4, 1, 5, 5, 3, 4, 7, 3, 6, 4, 9, 9, 9, 5, 2, 8 ]
[ "cons", "easy", "nonn" ]
A273043
[ 1, 3, 3, 7, 37, 37, 37, 37, 37, 37, 59, 59, 59, 59, 73, 73, 73, 73, 73, 97, 97, 97, 137, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 251, 251, 251, 251, 251, 251, 251, 251, 251, 251, 277, 277, 277, 277, 277, 277, 277 ]
[ "nonn" ]
A058220
[ 1, 3, 5, 15, 5, 59, 159, 189, 569, 105, 1557, 2549, 2439, 13797, 25353, 5627, 24317, 231425, 164073 ]
[ "nonn", "hard", "nice", "more" ]
A087179
[ 0, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 1, 4, 1, 1, 1, 2, 1, 1, 1, 3, 2, 1, 3, 2, 1, 1, 1, 5, 1, 1, 1, 4, 1, 1, 1, 3, 1, 1, 1, 2, 2, 1, 1, 4, 2, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 2, 6, 1, 1, 1, 2, 1, 1, 1, 9, 1, 1, 1, 2, 1, 1, 1, 4, 4, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 1, 5, 1, 1, 2, 4, 1, 1, 1, 3, 1, 1, 1, 8, 1, 1, 1, 4, 1, 1, 1, 2, 2, 1, 1, 3 ]
[ "nonn" ]
A165635
[ 3, 11, 23, 59, 83, 179, 263, 419, 479, 683, 839, 1103, 2243, 2663, 3119, 4703, 5099, 5303, 5939, 11399, 12323, 19403, 22259, 25763, 27143, 28559, 33023, 34583, 42923, 47123, 54779, 56783, 60899, 62303, 64439, 67343, 75659, 78803, 83639, 98123 ]
[ "nonn", "easy" ]
A100667
[ 1, 3, 5, 3, 5, 19, 3, 5, 13, 43, 3, 5, 7, 13, 97, 3, 5, 7, 11, 17, 173, 3, 5, 7, 11, 13, 23, 281, 3, 5, 7, 11, 13, 17, 23, 433, 3, 5, 7, 11, 13, 17, 19, 23, 631, 3, 5, 7, 11, 13, 17, 19, 23, 43, 859, 3, 5, 7, 11, 13, 17, 19, 23, 29, 41, 1163, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 47, 1523 ]
[ "nonn", "tabl" ]
A356256
[ 3, 5, 17, 71, 227, 821, 2087, 5021, 13757, 33149, 81197, 186647, 435401, 1002719, 2241779, 5060171, 11296421, 25121207, 55559507, 121831601, 266187827, 578653919, 1253242691, 2705496551, 5820833729, 12491149637, 26733605159, 57077657321, 121575837179, 258438193379 ]
[ "nonn" ]
A305175
[ 0, 0, 0, 0, 3, 0, 0, 5, 5, 0, 0, 18, 4, 18, 0, 0, 61, 46, 46, 61, 0, 0, 209, 151, 410, 151, 209, 0, 0, 702, 543, 2397, 2397, 543, 702, 0, 0, 2381, 2120, 13970, 26810, 13970, 2120, 2381, 0, 0, 8069, 8155, 93426, 218476, 218476, 93426, 8155, 8069, 0, 0, 27330, 30205, 586718 ]
[ "nonn", "tabl" ]
A338782
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 4, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 12, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68 ]
[ "nonn", "mult" ]
A264662
[ 2, 2, 3, 2, 5, 3, 2, 5, 3, 7, 2, 5, 3, 11, 7, 2, 5, 13, 3, 11, 7, 2, 17, 5, 13, 3, 11, 7, 2, 17, 5, 13, 3, 19, 11, 7, 2, 17, 5, 13, 3, 19, 11, 7, 23, 2, 17, 5, 13, 29, 3, 19, 11, 7, 23, 2, 17, 5, 13, 29, 3, 19, 11, 7, 23, 31, 2, 17, 5, 37, 13, 29, 3, 19, 11 ]
[ "nonn", "tabl" ]
A226479
[ 22446139, 26116291, 28097023, 30236557, 31090489, 31124341, 39618558, 41628195, 49941589, 51777957, 61137673, 62224039, 66960589, 71096795, 71334867, 71585139, 72304400, 82266591, 83045869, 92346023, 92837591, 105183961, 114762567, 117908994, 123563821 ]
[ "nonn" ]
A300222
[ 0, 0, 2, 0, 0, 2, 6, 6, 8, 0, 0, 2, 0, 0, 2, 6, 6, 8, 18, 18, 20, 18, 18, 20, 24, 24, 26, 0, 0, 2, 0, 0, 2, 6, 6, 8, 0, 0, 2, 0, 0, 2, 6, 6, 8, 18, 18, 20, 18, 18, 20, 24, 24, 26, 54, 54, 56, 54, 54, 56, 60, 60, 62, 54, 54, 56, 54, 54, 56, 60, 60, 62, 72, 72, 74, 72, 72, 74, 78, 78, 80, 0, 0, 2, 0, 0, 2, 6, 6, 8, 0, 0, 2 ]
[ "nonn", "base" ]
A209711
[ 1241, 40600, 1277340, 40731729, 1293734407, 41170011836, 1308905451923, 41634764453267, 1323986099952192, 42109275322473080, 1339166789310809300, 42590485464466220000, 1.3544990171649464e+21, 4.307759533073389e+22 ]
[ "nonn" ]
A290418
[ 1, 1, 3, 3, 7, 5, 15, 15, 31, 23, 63, 59, 127, 85, 255, 255, 511, 383, 1023, 959, 2047, 1375, 4095, 4079, 8191, 6103, 16383, 15291, 32767, 21845, 65535, 65535, 131071, 98303, 262143, 245759, 524287, 352255, 1048575, 1044479, 2097151, 1562623, 4194303 ]
[ "nonn", "easy" ]
A141562
[ 13, 19, 29, 59, 73, 83, 89, 97, 101, 103, 103, 107, 113, 127, 127, 131, 137, 139, 149, 163, 181, 193, 199, 197, 211, 211, 227, 227, 229, 233, 239, 241, 251, 257, 257, 257, 263, 269, 263, 269, 271, 269, 271, 281, 283, 293, 293, 307, 307, 307, 307, 307, 313 ]
[ "dead" ]
A320654
[ 1, 2, 8, 32, 126, 496, 1952, 7680, 30216, 118882, 467728, 1840224, 7240160, 28485616, 112073536, 440941056, 1734834302, 6825515600, 26854243752, 105655081568, 415688349456, 1635480294080, 6434618135968, 25316300481024, 99604212169632, 391881866363890, 1541816293103184 ]
[ "nonn" ]
A077544
[ 2, 11, 135, 5074, 360425, 39070191, 5967561775, 1220096909060, 321570878429169, 106137499051584510, 42873948150095460000, 2.080350227449292e+22, 1.1938961126118491e+25, 7.998487694738166e+27 ]
[ "nonn" ]
A000699
[ 1, 1, 1, 4, 27, 248, 2830, 38232, 593859, 10401712, 202601898, 4342263000, 101551822350, 2573779506192, 70282204726396, 2057490936366320, 64291032462761950, 2136017303903513000, 75197869250518810000, 2.796475872605709e+21, 1.0954971452246413e+23, 4.509302910783497e+24, 1.945842242745152e+26 ]
[ "nonn", "easy", "nice" ]
A040467
[ 22, 7, 2, 1, 4, 4, 4, 1, 2, 7, 44, 7, 2, 1, 4, 4, 4, 1, 2, 7, 44, 7, 2, 1, 4, 4, 4, 1, 2, 7, 44, 7, 2, 1, 4, 4, 4, 1, 2, 7, 44, 7, 2, 1, 4, 4, 4, 1, 2, 7, 44, 7, 2, 1, 4, 4, 4, 1, 2, 7, 44, 7, 2, 1, 4, 4, 4, 1, 2, 7, 44, 7, 2, 1, 4, 4, 4, 1, 2, 7, 44, 7, 2, 1, 4, 4, 4, 1, 2, 7 ]
[ "nonn", "cofr", "easy", "less" ]
A111741
[ 1, 2, 2, 4, 2, 10, 4, 2, 4, 2, 2, 4, 4, 2, 8, 2, 10, 8, 4, 2, 2, 8, 4, 8, 4, 2, 2, 4, 2, 2, 8, 2, 4, 8, 20, 2, 10, 4, 8, 2, 2, 8, 2, 4, 4, 10, 2, 4, 10, 2, 2, 2, 10, 8, 20, 4, 2, 2, 10, 2, 2, 10, 4, 2, 2, 4, 20, 4, 14, 22, 4, 20, 4, 2, 2, 2, 10, 8, 4, 10, 8, 4, 2, 10, 16, 2, 8, 14, 4, 10, 8, 16, 8, 2, 2 ]
[ "nonn" ]
A182746
[ 1, 1, 2, 4, 7, 12, 21, 34, 55, 88, 137, 210, 320, 478, 708, 1039, 1507, 2167, 3094, 4378, 6153, 8591, 11914, 16424, 22519, 30701, 41646, 56224, 75547, 101066, 134647, 178651, 236131, 310962, 408046, 533623, 695578, 903811, 1170827, 1512301, 1947826, 2501928 ]
[ "nonn", "easy" ]
A121846
[ 8, 10, 17, 22, 24, 35, 41, 46, 52, 57, 72, 87, 92, 95, 109, 128, 140, 204, 207, 228, 239, 256, 303, 357, 393, 417, 430, 558, 646, 669, 685, 712, 950, 1117, 1198, 1315, 1389, 1454, 1526, 1543, 1600, 1794, 2140, 2289, 2312, 2425, 2571, 2851, 3368, 3613, 3824 ]
[ "nonn" ]
A223946
[ 6, 36, 157, 558, 1821, 5951, 20275, 71653, 257568, 928047, 3335267, 11962223, 42897410, 153982177, 553329976, 1989825264, 7158056447, 25752911149, 92656210922, 333378246553, 1199549630143, 4316356194035, 15532107553777 ]
[ "nonn" ]
A169427
[ 1, 30, 870, 25230, 731670, 21218430, 615334470, 17844699630, 517496289270, 15007392388830, 435214379276070, 12621216999006030, 366015292971174850, 10614443496164071000, 307818861388758060000, 8.926746980273984e+21 ]
[ "nonn" ]
A244157
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 4, 4, 4, 4, 4, 5, 5, 5, 5, 7, 7, 7, 7, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 4, 4, 4, 4, 4, 5, 5, 5, 5, 7, 7, 7, 7, 7, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 18 ]
[ "nonn" ]
A028898
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 21, 22, 23, 24, 25, 26, 27 ]
[ "nonn", "easy", "base", "changed" ]
A080360
[ 10, 16, 28, 40, 46, 58, 66, 70, 96, 100, 106, 126, 148, 150, 166, 178, 180, 226, 228, 232, 238, 240, 262, 268, 280, 306, 310, 346, 348, 366, 372, 400, 408, 418, 430, 432, 438, 460, 486, 490, 502, 568, 570, 586, 592, 598, 600, 606, 640, 642, 646, 652, 658, 676 ]
[ "nonn" ]
A303505
[ 0, 0, 0, 12, 72, 612, 3552, 34632, 247824, 3047544, 26502624, 396071604, 4055072664, 71316639036, 839706878016, 16982482829136, 225984627860256, 5165674068939696, 76644407669629250, 1953726395279874600, 31974794507569558000, 899186672783503000000, 1.6089847137602082e+22 ]
[ "nonn" ]
A231591
[ 1, 3, 32, 391, 3906, 39572, 400626, 4047829, 40794211, 410514052, 4126066282, 41436122092, 415853103290, 4171375888398 ]
[ "nonn", "base", "more" ]
A081498
[ 1, 3, 5, 6, 5, 1, -7, -20, -39, -65, -99, -142, -195, -259, -335, -424, -527, -645, -779, -930, -1099, -1287, -1495, -1724, -1975, -2249, -2547, -2870, -3219, -3595, -3999, -4432, -4895, -5389, -5915, -6474, -7067, -7695, -8359, -9060, -9799, -10577, -11395, -12254, -13155, -14099, -15087, -16120 ]
[ "sign", "easy" ]
A115860
[ 0, 0, 0, 3, 0, 7, 5, 0, 0, 15, 13, 19, 9, 15, 21, 27, 0, 31, 29, 35, 25, 27, 0, 27, 17, 0, 45, 51, 25, 55, 45, 59, 0, 63, 61, 67, 57, 71, 69, 63, 49, 63, 61, 83, 73, 79, 77, 75, 33, 87, 93, 99, 89, 103, 85, 91, 81, 111, 101, 115, 105, 75, 53, 75, 0 ]
[ "nonn" ]
A244038
[ 1, 6, 48, 420, 3840, 36036, 344064, 3325608, 32440320, 318704100, 3148873728, 31256180280, 311452237824, 3113596420200, 31213674823680, 313672599360720, 3158823892156416, 31870058661517860, 322076161553203200, 3259691964853493000, 33034843349204337000, 335189468043077800000 ]
[ "nonn", "easy", "changed" ]
A167332
[ 1, 14, 22, 196, 38, 308, 54, 2744, 484, 532, 86, 4312, 102, 756, 836, 38416, 134, 6776, 150, 7448, 1188, 1204, 182, 60368, 1444, 1428, 10648, 10584, 230, 11704, 246, 537824, 1892, 1876, 2052, 94864, 294, 2100, 2244, 104272, 326, 16632, 342, 16856 ]
[ "nonn", "easy", "mult" ]
A371787
[ 1, 5, 44, 441, 4675, 51129, 570401, 6451688, 73715212, 848793726, 9833394285, 114487194485, 1338411363535, 15700659542105, 184722993467063, 2178831068873601, 25756348168285380, 305061478075705400, 3619402085862708700, 43008294559624640000 ]
[ "nonn", "easy", "changed" ]
A107671
[ 1, 8, 2, 513, 27, 3, 81856, 2368, 64, 4, 23846125, 469625, 7625, 125, 5, 10943504136, 160767720, 1898856, 19656, 216, 6, 7250862593527, 83548607478, 776598305, 6081733, 43561, 343, 7, 6545029128786432, 61068815111168, 465690017280, 2966844928, 16494080, 86528, 512, 8 ]
[ "nonn", "tabl" ]
A061697
[ 1, 0, 0, 1, 1, 1, 201, 1226, 5587, 493333, 8910253, 109739620, 6832444928, 251336859489, 6402632091649, 369288128260091, 21333939590516868, 941843896620169300, 60266201588496410000, 4.623833509894543e+21, 3.094127785023772e+23, 2.4102475277979404e+25 ]
[ "nonn" ]
A222056
[ 2, 7, 4, 9, 3, 3, 4, 6, 3, 3, 8, 6, 5, 2, 5, 5, 8, 8, 9, 1, 7, 5, 3, 8, 7, 3, 8, 7, 2, 2, 6, 7, 9, 3, 5, 6, 9, 0, 9, 8, 1, 6, 4, 6, 1, 9, 7, 5, 8, 6, 2, 3, 5, 1, 7, 8, 9, 8, 6, 0, 3, 4, 4, 7, 3, 6, 2, 4, 1, 6, 3, 1, 7, 2, 0, 3, 1, 7, 5, 7, 6, 9, 4, 1, 5, 6, 1, 2, 7, 3, 8, 3, 2, 1, 8, 7, 1, 2, 2, 4, 9, 0 ]
[ "nonn", "cons", "nice" ]
A277920
[ 0, 1, 4, 20, 120, 780, 5382, 38638, 285762, 2162033, 16655167, 130193037, 1030117023, 8234025705, 66391916397, 539360587341, 4410492096741, 36274113675369, 299864297741292, 2490192142719336, 20764402240048268, 173784940354460220, 1459360304511145200 ]
[ "nonn", "walk" ]
A001620
[ 5, 7, 7, 2, 1, 5, 6, 6, 4, 9, 0, 1, 5, 3, 2, 8, 6, 0, 6, 0, 6, 5, 1, 2, 0, 9, 0, 0, 8, 2, 4, 0, 2, 4, 3, 1, 0, 4, 2, 1, 5, 9, 3, 3, 5, 9, 3, 9, 9, 2, 3, 5, 9, 8, 8, 0, 5, 7, 6, 7, 2, 3, 4, 8, 8, 4, 8, 6, 7, 7, 2, 6, 7, 7, 7, 6, 6, 4, 6, 7, 0, 9, 3, 6, 9, 4, 7, 0, 6, 3, 2, 9, 1, 7, 4, 6, 7, 4, 9 ]
[ "nonn", "cons", "nice" ]
A075350
[ 0, 1, 105, 5006, 360295, 39069969, 5967561425, 1220096908540, 321570878428431, 106137499051583490, 42873948150095460000, 2.080350227449292e+22, 1.1938961126118491e+25, 7.998487694738166e+27 ]
[ "nonn" ]
A246334
[ 1, 5, 17, 29, 61, 73, 109, 157, 229, 241, 277, 329, 429, 477, 573, 633, 861, 873, 909, 961, 1061, 1113, 1237, 1353, 1645, 1661, 1893, 1969, 2325, 2321, 2669, 2693, 3245, 3305, 3341, 3393, 3493, 3545, 3669, 3785, 4077, 4097, 4357, 4489, 4909, 4929, 5437, 5553, 6373 ]
[ "nonn" ]
A000828
[ 1, 1, 2, 8, 40, 256, 1952, 17408, 177280, 2031616, 25866752, 362283008, 5535262720, 91620376576, 1633165156352, 31191159799808, 635421069967360, 13753735117275136, 315212388819402750, 7625476699018232000 ]
[ "nonn", "easy" ]
A234294
[ 1, 1, 4, 40, 664, 15424, 460576, 16808320, 724904896, 36072438016, 2034328297984, 128223244372480, 8932539799788544, 681536817951791100, 56521548341146400000, 5.06245444865669e+21, 4.870138653503562e+23, 5.008230631623621e+25, 5.48250233177977e+27 ]
[ "nonn" ]
A043054
[ 1, 2, 7, 8, 9, 10, 11, 12, 37, 44, 51, 58, 65, 72, 217, 223, 229, 235, 241, 247, 254, 260, 266, 272, 278, 284, 291, 297, 303, 309, 315, 321, 328, 334, 340, 346, 352, 358, 365, 371, 377, 383, 389, 395, 402, 408, 414, 420, 426, 432 ]
[ "nonn", "base" ]
A012637
[ 1, -2, -40, 824, 34880, -3510784, -105236352, 50170105088, -740139765760, -1822790066204672, 239991990818783230, 116554901577925660000, -4.1369324496338786e+22, -1.500619584695486e+25 ]
[ "sign" ]
A004722
[ 0, 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 1, 14, 15, 16, 17, 18, 19, 20, 21, 22, 2, 24, 25, 26, 27, 28, 29, 0, 1, 2, 4, 5, 6, 7, 8, 9, 40, 41, 42, 4, 44, 45, 46, 47, 48, 49, 50, 51, 52, 5, 54, 55, 56, 57, 58, 59, 60, 61, 62, 6, 64, 65, 66, 67, 68, 69, 70, 71, 72, 7, 74, 75, 76 ]
[ "base", "nonn" ]
A245486
[ 2, 6, 6, 10, 15, 21, 14, 6, 15, 55, 33, 39, 91, 35, 10, 34, 51, 57, 95, 35, 77, 253, 69, 15, 65, 39, 21, 203, 145, 155, 62, 22, 187, 119, 21, 111, 703, 247, 65, 205, 287, 301, 473, 55, 115, 1081, 141, 21, 35, 85, 221, 689, 159, 33, 77, 133, 551, 1711, 295, 305 ]
[ "nonn", "nice" ]
A311865
[ 1, 4, 8, 13, 17, 21, 26, 31, 36, 40, 44, 49, 52, 58, 60, 67, 68, 74, 81, 83, 90, 91, 99, 99, 108, 107, 117, 115, 121, 131, 130, 140, 138, 149, 146, 158, 154, 167, 162, 168, 181, 177, 190, 185, 199, 193, 208, 201, 217, 209 ]
[ "nonn" ]
A134138
[ 1, 2, 4, 2, -74, -916, -8672, -73564, -542852, -2595016, 18348496, 906083672, 21021502984, 406255974032, 7157641045696, 116383645516784, 1681549859135248, 18311613681506336, -3332917116147392 ]
[ "sign", "easy" ]
A345020
[ 1, 1, 2, 3, 5, 7, 11, 17, 23, 37, 59, 89, 139, 227, 361, 587, 947, 1531, 2477, 4007, 6481, 10487, 16963, 27449, 44393, 71837, 116227, 188063, 304289, 492343, 796627, 1288967, 2085593, 3374557, 5460139, 8834689, 14294827, 23129507, 37424333, 60553837, 97978169 ]
[ "nonn" ]
A040384
[ 20, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40 ]
[ "nonn", "cofr", "easy" ]
A336614
[ 1, 2, 4, 10, 32, 112, 424, 1808, 8320, 40384, 210944, 1170688, 6783616, 41411840, 265451008, 1765520128, 12227526656, 88163295232, 656548065280, 5054719287296, 40261285543936, 330010835894272, 2783003772452864, 24166721466204160, 215318925894909950, 1966855934183800800 ]
[ "nonn" ]
A047605
[ 0, 2, 3, 5, 8, 10, 11, 13, 16, 18, 19, 21, 24, 26, 27, 29, 32, 34, 35, 37, 40, 42, 43, 45, 48, 50, 51, 53, 56, 58, 59, 61, 64, 66, 67, 69, 72, 74, 75, 77, 80, 82, 83, 85, 88, 90, 91, 93, 96, 98, 99, 101, 104, 106, 107, 109, 112, 114, 115, 117, 120, 122, 123 ]
[ "nonn", "easy" ]
A371457
[ 1, 1, 2, 1, 1, 2, 2, 3, 3, 1, 1, 2, 1, 1, 2, 2, 4, 3, 2, 6, 5, 5, 6, 3, 4, 3, 4, 1, 1, 2, 1, 1, 2, 2, 3, 3, 1, 1, 2, 1, 1, 2, 2, 6, 4, 2, 4, 6, 8, 6, 5, 8, 4, 6, 2, 7, 5, 11, 5, 5, 7, 6, 11, 4, 9, 6, 7, 9, 7, 5, 4, 3, 8, 9, 5, 5, 8, 3, 5, 3, 3, 1, 1, 2, 1, 1, 2 ]
[ "nonn" ]
A279301
[ 1, 0, 12, 104, 872, 8064, 71680, 635312, 5554240, 47920384, 408259136, 3437600192, 28638307456, 236298903552, 1932926374400, 15688543703808, 126443222102016, 1012619953508352, 8062922404920320, 63864515531578370, 503439208935970800 ]
[ "nonn" ]
A343705
[ 766, 810, 827, 829, 865, 883, 981, 1018, 1025, 1044, 1070, 1105, 1108, 1142, 1145, 1161, 1168, 1226, 1233, 1259, 1289, 1350, 1368, 1424, 1431, 1439, 1441, 1457, 1487, 1492, 1494, 1529, 1531, 1538, 1550, 1555, 1568, 1583, 1587, 1592, 1593, 1594, 1609, 1611, 1613, 1639, 1648, 1665, 1672, 1674, 1688, 1707, 1711 ]
[ "nonn", "easy" ]
A129069
[ 7, 9, 13, 17, 25, 29, 37, 41, 49, 61, 65, 77, 85, 89, 97, 109, 121, 125, 137, 145, 149, 161, 169, 181, 197, 205, 209, 217, 221, 229, 257, 265, 277, 281, 301, 305, 317, 329, 337, 349, 361, 365, 385, 389, 397, 401, 425, 449, 457, 461, 469, 481, 485, 505, 517, 529 ]
[ "easy", "nonn" ]
A086229
[ 1, 1, 3, 20, 280, 8064, 473088, 56229888, 13495173120, 6525665935360, 6348167821918208, 12410090985684468000, 4.871374381580676e+22, 3.837144128260471e+26, 6.062249191894029e+30 ]
[ "nonn" ]
A036935
[ 0, 11, 181, 1181, 18181, 0, 1111181, 11818181, 111111181, 1111111181, 11111188811, 0, 1111111118111, 11111111818181, 111111111111881, 1111111111111181, 11111111111188112, 0, 1111111111111111200 ]
[ "nonn", "base" ]
A366114
[ 1, 2, 4, 7, 9, 2, -34, -130, -284, -284, 730, 4864, 14860, 27134, 6462, -170865, -771303, -2005828, -2751028, 3491747, 36288137, 130265102, 283131062, 210905402, -1317613954, -7461822262, -22297519418, -38398674146, 10151248222, 355843715494, 1495838414326 ]
[ "sign" ]
A067470
[ 1, 16, 125, 1296, 16807, 117649, 2097152, 16777216, 134217728, 1073741824, 31381059609, 282429536481, 2541865828329, 22876792454961, 205891132094649, 1853020188851841, 16677181699666568, 150094635296999140, 1350851717672992000, 12157665459056929000, 109418989131512370000 ]
[ "base", "easy", "full", "nonn", "fini" ]
A338114
[ 1, 1, 3, 3, 1, 1, 32, 693, 7720, 44150, 138312, 247380, 252000, 136080, 30240, 1, 2134, 4971504, 1513872568, 124978335900, 4307090369304, 78010256156784, 849590196841344, 6053725780061400, 29824685516682000, 105382759395846240, 273441179492268480 ]
[ "nonn", "tabf" ]
A369778
[ 1, 2, 9, 69, 838, 15673, 446723, 19293060, 1251685959, 120386313553, 16900121126060, 3411142115103803, 977085613480027500, 392874276568326730000, 2.197439202042646e+23, 1.6966419599151007e+26, 1.7964697983555324e+29, 2.5937978126741057e+32, 5.081425406454016e+35 ]
[ "nonn" ]
A097958
[ 3, 7, 17, 23, 31, 41, 47, 71, 73, 79, 89, 97, 103, 113, 127, 137, 151, 167, 191, 193, 199, 223, 233, 239, 241, 257, 263, 271, 281, 311, 313, 337, 353, 359, 367, 383, 401, 409, 431, 433, 439, 449, 457, 463, 479, 487, 503, 521, 569, 577, 593, 599, 601, 607, 617 ]
[ "nonn", "easy" ]
A017017
[ 3, 10, 17, 24, 31, 38, 45, 52, 59, 66, 73, 80, 87, 94, 101, 108, 115, 122, 129, 136, 143, 150, 157, 164, 171, 178, 185, 192, 199, 206, 213, 220, 227, 234, 241, 248, 255, 262, 269, 276, 283, 290, 297, 304, 311, 318, 325, 332, 339, 346, 353, 360, 367, 374, 381 ]
[ "nonn", "easy" ]
A105102
[ 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 5, 4, 1, 2, 2, 3, 2, 3, 3, 5, 4, 2, 3, 3, 5, 4, 3, 5, 4, 5, 4, 6, 5, 1, 2, 2, 3, 2, 3, 3, 5, 4, 2, 3, 3, 5, 4, 3, 5, 4, 5, 4, 6, 5, 2, 3, 3, 5, 4, 3, 5, 4, 5, 4, 6, 5, 3, 5, 4, 5, 4, 6, 5, 5, 4, 6, 5, 6, 5, 2, 1, 6, 1, 2, 2, 3, 2, 3, 3, 5, 4, 2, 3, 3, 5, 4, 3, 5, 4, 5, 4 ]
[ "nonn", "uned" ]
A315835
[ 1, 6, 7, 12, 16, 24, 28, 29, 36, 34, 48, 45, 54, 56, 60, 70, 69, 80, 70, 90, 83, 98, 98, 100, 112, 105, 124, 108, 134, 119, 140, 138, 140, 154, 141, 168, 144, 178, 155, 182, 178, 180, 196, 177, 212, 180, 222, 191, 224, 218 ]
[ "nonn" ]
A046139
[ 7, 13, 31, 37, 61, 73, 97, 103, 157, 223, 271, 307, 373, 433, 457, 607, 733, 751, 853, 877, 1087, 1291, 1297, 1423, 1483, 1543, 1657, 1777, 1861, 1867, 1987, 1993, 2131, 2287, 2341, 2371, 2383, 2467, 2677, 2683, 2791, 2851, 3181, 3313, 3457, 3607 ]
[ "nonn" ]
A349457
[ 0, 0, 0, 0, 4, 70, 825, 8526, 85372, 870756 ]
[ "nonn", "more" ]
A089619
[ 5, 13, 5, 41, 61, 17, 113, 29, 181, 17, 53, 313, 73, 421, 37, 109, 613, 137, 761, 29, 37, 1013, 17, 1201, 1301, 281, 89, 13, 1741, 1861, 397, 2113, 449, 2381, 2521, 41, 97, 593, 3121, 193, 53, 3613, 757, 233, 101, 173, 4513, 941, 29, 5101, 1061, 149, 229, 457, 101 ]
[ "easy", "nonn" ]
A295139
[ 1, 2, 6, 10, 23, 37, 77, 120, 242, 372, 739, 1130, 2232, 3406, 6713, 10236, 20158, 30728, 60495, 92206, 181509, 276643, 544553, 829956, 1633687, 2489897, 4901091, 7469722, 14703305, 22409199, 44109949, 67227632, 132329883 ]
[ "nonn", "easy" ]
A218660
[ 17, 891, 25533, 793881, 24879489, 775176415, 24176619049, 754066017977, 23517838102321, 733484062428443, 22876204302519508, 713472099034206100, 22252052902297965000, 694005913498881500000, 2.164493349586459e+22 ]
[ "nonn" ]
A101435
[ 1, 1, 1, 3, 3, 3, 5, 5, 5, 7, 7, 7, 9, 9, 11, 11, 11, 13, 13, 15, 15, 17, 17, 17, 19, 19, 21, 21, 23, 23, 23, 25, 27, 27, 29, 31, 31, 31, 33, 35, 37, 37, 37, 39, 39, 41, 41, 41, 41, 43, 43, 45, 47, 47, 49, 51, 51, 51, 53, 53, 55, 55, 57, 57, 61, 61, 61, 63, 63, 65, 67, 69, 69, 71, 71, 73 ]
[ "nonn" ]
A345399
[ 13, 7, 25, 59, 193, 313, 1447, 103, 2431, 1305, 29089, 21117, 10525, 26663, 63271, 25127, 106501, 215735, 1143579, 5115041, 810163, 9554677, 23932393, 13101403, 14299679, 62266699, 739155479, 37795511, 4015916137, 3197105709, 5386711727, 14904706741, 20696039773 ]
[ "nonn", "base" ]
A325728
[ 14, 28, 71192, 3951239529, 91599717337708560000, 2.5287155431709813e+40 ]
[ "nonn", "base" ]
A217545
[ 77, 77, 5929, 64473, 1342855, 22263471, 404884061, 7113718205, 126448240507, 2237636413927, 39669951994791, 702866699722671, 12456183671452024, 220727566637096420, 3911489405652354000, 69314298531106980000 ]
[ "nonn" ]
A319152
[ 9, 25, 27, 49, 81, 121, 125, 169, 243, 289, 343, 361, 441, 529, 625, 729, 841, 961, 1331, 1369, 1521, 1681, 1849, 2187, 2197, 2209, 2401, 2809, 3125, 3249, 3481, 3721, 4225, 4489, 4913, 5041, 5329, 6241, 6561, 6859, 6889, 7569, 7921, 8281, 9261, 9409, 10201 ]
[ "nonn" ]
A296586
[ 21, 480, 6241, 125765, 2607478, 52756072, 1109882746, 23359296497, 492457987101, 10402250973413, 219775565244891, 4644590743236824, 98165206674288770, 2074840058451866400, 43855171635171730000, 926958389641748000000 ]
[ "nonn" ]
A179941
[ 1, 2, 2, 3, 2, 4, 2, 4, 3, 4, 2, 6, 2, 4, 4, 5, 2, 6, 2, 6, 4, 4, 2, 8, 3, 4, 4, 6, 2, 8, 2, 6, 4, 4, 4, 9, 2, 4, 4, 8, 2, 8, 2, 6, 6, 4, 2, 10, 3, 6, 4, 6, 2, 8, 4, 8, 4, 4, 2, 12, 2, 4, 6, 7, 4, 8, 2, 6, 4, 8, 2, 12, 2, 4, 6, 6, 4, 8, 2, 10, 5, 4, 2, 12, 4, 4, 4, 8, 2, 12, 4, 6, 4, 4, 4, 12, 2, 6, 6, 9 ]
[ "nonn", "fini", "full", "less" ]
A088312
[ 1, 0, 1, 6, 37, 260, 2101, 19362, 201097, 2326536, 29668681, 413257790, 6238931821, 101415565836, 1765092183037, 32734873484250, 644215775792401, 13404753632014352, 293976795292186900, 6775966692145553000, 163735077313046120000, 4.138498600079574e+21 ]
[ "nonn", "easy" ]
A246994
[ 3, 43, 79, 121, 167, 223, 289, 367, 449, 541, 641, 751, 877, 997, 1151, 1279, 1433, 1597 ]
[ "nonn", "more" ]
A243052
[ 1, 2, 4, 3, 8, 6, 16, 5, 9, 12, 32, 35, 64, 24, 18, 25, 128, 15, 256, 539, 36, 48, 512, 14, 27, 96, 25, 17303, 1024, 175, 2048, 125, 72, 192, 54, 21, 4096, 384, 144, 154, 8192, 3773, 16384, 485537, 245, 768, 32768, 70, 81, 45, 288, 26977283, 65536, 10, 108, 3146, 576, 1536, 131072 ]
[ "nonn" ]
A373258
[ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 ]
[ "nonn" ]
A199176
[ 1, 3, 0, 1, 2, 0, 1, 7, 3, 3, 1, 4, 1, 9, 1, 1, 4, 0, 0, 7, 9, 8, 3, 9, 7, 3, 6, 4, 4, 4, 0, 2, 6, 4, 5, 2, 2, 1, 9, 1, 3, 0, 0, 6, 5, 7, 4, 3, 0, 3, 0, 4, 8, 9, 2, 6, 9, 4, 6, 0, 5, 7, 9, 4, 6, 6, 0, 3, 7, 1, 9, 0, 5, 4, 5, 5, 9, 6, 8, 1, 3, 3, 2, 4, 3, 2, 9, 6, 9, 4, 8, 2, 3, 0, 7, 2, 9, 2, 9 ]
[ "nonn", "cons" ]
A025994
[ 1, 24, 377, 4932, 58485, 654192, 7053313, 74243004, 769050029, 7880095080, 80144389689, 810929347956, 8176098535333, 82230655243488, 825604414181105, 8279180036642988, 82954005943360800, 830676770037792300 ]
[ "nonn" ]
A289065
[ 2, -1, -2, -3, 0, 24, 108, 162, -1440, -14256, -54432, 177552, 4432320, 31796064, 10520928, -2531636208, -31078494720, -119133110016, 2180339762688, 46923057637632, 368154762301440, -2077357560938496, -101408182152625150, -1314869775259581000, -1225663306833715200 ]
[ "sign" ]
A193133
[ 6, 384, 40500, 6635520, 1575656250, 513684799488, 220582915793352, 120795955200000000, 82216552273527690000, 6.81091006464e+22, 6.749480443537452e+25, 7.885622433667104e+28, 1.0728063505771663e+32, 1.681479401243762e+35 ]
[ "nonn" ]
A173356
[ 82, 858, 28439, 166378, 174879, 977170, 1330997, 1595395, 3393037, 5699501, 7815232, 12258613, 14243561, 16779169, 681471994 ]
[ "nonn", "more" ]
A218279
[ 2, 4, 2, 2, 3, 2, 6, 5, 3, 5, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 5, 2, 2, 4, 3, 3, 2, 2, 2, 3, 6, 3, 2, 4, 3, 2, 2, 2, 3, 3, 2, 2, 2, 3, 5, 2, 2, 2, 3, 2, 3, 3, 6, 3, 4, 9, 5, 2, 5, 4, 2, 3, 2, 3, 3, 2, 4, 3, 2, 2, 5, 3, 4, 4, 4, 4, 3, 2, 6, 2, 7, 4, 2, 6, 4, 2 ]
[ "nonn" ]