id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A226798
[ 1, 3, 4, 3, 5, 6, 4, 5, 6, 2, 7, 8, 2, 7, 9, 1, 8, 9, 6, 7, 10, 1, 15, 16, 2, 17, 18, 6, 19, 20, 3, 23, 24, 1, 24, 25, 4, 23, 24, 3, 23, 25, 4, 23, 25, 5, 29, 30, 10, 27, 28, 2, 31, 32, 1, 35, 36, 7, 34, 35, 7, 34, 36, 6, 44, 45, 1, 48, 49, 3, 47, 50, 2, 48, 50 ]
[ "nonn", "tabf" ]
A106942
[ 3, 29, 103, 109, 191, 271, 409, 499, 503, 557, 587, 613, 1031, 1193, 1237, 1321, 1619, 1637, 1657, 1693, 1873, 1949, 2251, 2281, 2417, 2423, 2459, 2687, 2969, 3089, 3167, 3413, 3491, 3607, 3697, 3769, 3793, 3863, 3911, 4261, 4339, 4447 ]
[ "nonn", "easy" ]
A211106
[ 9, 147, 4275, 226299, 21796677, 3826732161, 1225785261321, 717092242514919, 766646778031785900, 1.4987404160675878e+21 ]
[ "nonn" ]
A302049
[ 0, 0, 0, 0, 0, 1, 0, 0, 0, 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, 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, 0, 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, 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, 0, 0, 0, 0 ]
[ "nonn" ]
A345839
[ 8003, 8243, 9043, 9218, 9283, 9523, 10372, 10803, 10868, 10948, 11043, 11412, 11557, 11587, 12083, 12692, 12932, 13188, 13333, 13508, 13972, 14147, 14387, 14883, 14933, 14948, 14963, 15013, 15028, 15093, 15173, 15268, 15317, 15332, 15397, 15412, 15413, 15492 ]
[ "nonn" ]
A377869
[ 2, 3, 4, 5, 6, 7, 8, 10, 11, 13, 14, 17, 18, 19, 22, 23, 24, 26, 27, 29, 30, 31, 32, 34, 36, 37, 38, 40, 41, 42, 43, 45, 46, 47, 48, 50, 53, 54, 56, 58, 59, 60, 61, 62, 63, 64, 66, 67, 70, 71, 72, 73, 74, 75, 78, 79, 80, 82, 83, 84, 86, 88, 89, 90, 94, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 109 ]
[ "nonn" ]
A098828
[ 3, 11, 23, 59, 83, 179, 263, 311, 419, 479, 683, 839, 1103, 1511, 2111, 2243, 2663, 2963, 3119, 4139, 4703, 5099, 5303, 5939, 7079, 10223, 11399, 12011, 12323, 12959, 17483, 19403, 21011, 21839, 22259, 24419, 25763, 27143, 27611, 28559, 30011 ]
[ "nonn" ]
A175882
[ 1, 0, 12, 19440, 4293918720, 298022460937500000, 1.0314424627908808e+28, 2.5692357750249677e+41, 6.2771017353852535e+57, 1.9662705047555282e+77 ]
[ "nonn" ]
A361663
[ 1, 3, 4, 5, 8, 12, 16, 6, 23, 8, 13, 12, 9, 16, 22, 10, 26, 23, 15, 8, 23, 13, 24, 12, 22, 11, 73, 16, 97, 64, 77, 14, 17, 26, 55, 23, 67, 15, 39, 35, 55, 23, 33, 13, 154, 24, 78, 12, 101, 93, 79, 19, 42, 73, 93, 16, 99, 97, 34, 64, 31, 77, 23, 18, 93, 17, 77 ]
[ "nonn" ]
A047246
[ 0, 1, 2, 3, 6, 7, 8, 9, 12, 13, 14, 15, 18, 19, 20, 21, 24, 25, 26, 27, 30, 31, 32, 33, 36, 37, 38, 39, 42, 43, 44, 45, 48, 49, 50, 51, 54, 55, 56, 57, 60, 61, 62, 63, 66, 67, 68, 69, 72, 73, 74, 75, 78, 79, 80, 81, 84, 85, 86, 87, 90, 91, 92, 93, 96, 97, 98 ]
[ "nonn", "easy" ]
A069148
[ 4, 6, 8, 10, 14, 16, 18, 20, 22, 26, 28, 34, 38, 42, 44, 46, 52, 58, 62, 66, 68, 74, 76, 78, 82, 86, 92, 94, 102, 106, 114, 116, 118, 122, 124, 134, 138, 142, 146, 148, 158, 164, 166, 172, 174, 178, 186, 188, 194, 202, 206, 212, 214, 218, 222, 226, 236, 244, 246 ]
[ "easy", "nonn" ]
A192998
[ 0, 1, 1, 6, 35, 696, 19367, 1427148, 166223667, 40685390643, 16395208634778 ]
[ "nonn" ]
A359119
[ 2, 4, 4, 6, 18, 6, 10, 124, 76, 32, 8, 12, 244, 196, 78, 14, 4, 18, 1184, 1296, 534, 118, 28, 2, 22, 2632, 3180, 1244, 330, 58, 2, 28, 7244, 8628, 3594, 962, 190, 38, 32, 12626, 14922, 6378, 1836, 330, 36, 4, 42, 39060, 45656, 20152, 6082, 1252, 132, 28, 2, 46, 56980, 66088, 29454, 8916, 1840, 244, 26, 6 ]
[ "nonn", "tabf" ]
A364997
[ 40, 45, 56, 63, 88, 99, 104, 117, 136, 152, 153, 171, 175, 176, 184, 207, 208, 232, 248, 261, 272, 275, 279, 280, 296, 297, 304, 315, 325, 328, 333, 344, 351, 368, 369, 376, 387, 423, 424, 425, 440, 459, 464, 472, 475, 477, 488, 495, 496, 513, 520, 531, 536, 539 ]
[ "nonn" ]
A096616
[ 0, 8, 4, 0, 6, 9, 5, 0, 8, 7, 2, 7, 6, 5, 5, 9, 9, 6, 4, 6, 1, 4, 8, 9, 5, 0, 2, 4, 7, 9, 0, 3, 5, 5, 1, 1, 9, 3, 7, 5, 7, 2, 7, 9, 6, 4, 6, 8, 0, 1, 1, 9, 6, 1, 8, 4, 2, 9, 7, 2, 7, 2, 4, 6, 0, 0, 1, 3, 5, 9, 7, 9, 0, 7, 0, 1, 6, 7, 7, 2, 0, 6, 2, 4, 8, 7, 4, 7, 5, 9, 8, 3, 1, 8, 9, 0, 6, 3, 6, 0, 9, 8 ]
[ "nonn", "cons" ]
A256305
[ 1, 2, 3, 4, 0, 21, 22, 23, 24, 20, 31, 32, 33, 34, 30, 41, 42, 43, 44, 40, 1, 2, 3, 4, 0, 211, 212, 213, 214, 210, 221, 222, 223, 224, 220, 231, 232, 233, 234, 230, 241, 242, 243, 244, 240, 201, 202, 203, 204, 200, 311, 312, 313, 314, 310, 321, 322, 323 ]
[ "nonn", "base", "easy" ]
A375214
[ 21, 23, 25, 27, 29, 41, 43, 45, 47, 49, 61, 63, 65, 67, 69, 81, 83, 85, 87, 89, 1001, 1003, 1005, 1007, 1009, 1021, 1023, 1025, 1027, 1029, 1041, 1043, 1045, 1047, 1049, 1061, 1063, 1065, 1067, 1069, 1081, 1083, 1085, 1087, 1089, 1201, 1203, 1205, 1207, 1209, 1221, 1223, 1225 ]
[ "nonn", "base", "easy" ]
A350082
[ 1, 3, 0, 5, 7, 0, 9, 9, 0, 11, 19, 0, 17, 37, 0, 17, 19, 0, 25, 23, 0, 25, 27, 0, 33, 29, 0, 37, 33, 0, 41, 75, 0, 37, 41, 0, 43, 39, 0, 41, 109, 0, 57, 51, 0, 47, 55, 0, 57, 133, 0, 57, 55, 0, 73, 57, 0, 59, 123, 0, 63, 109, 0, 75, 115, 0, 89, 181, 0, 71, 73 ]
[ "nonn" ]
A370753
[ 1, 1, 4, 36, 576, 12800, 360000, 12192768, 481890304, 21743271936, 1101996057600, 61952000000000, 3824628881965056, 257164113195565060, 18704075505689706000, 1.4629750700620382e+21, 1.224440064e+23, 1.091811130839462e+25, 1.0332553981274401e+27 ]
[ "nonn" ]
A279305
[ 0, 1, 1, 0, 0, 0, 3, 12, 12, 3, 6, 104, 498, 104, 6, 24, 872, 14908, 14908, 872, 24, 72, 8064, 396904, 1160588, 396904, 8064, 72, 232, 71680, 10073670, 85082276, 85082276, 10073670, 71680, 232, 720, 635312, 246262496, 6048938846, 17784685668 ]
[ "nonn", "tabl" ]
A369221
[ 1, 0, 0, 0, 1, 0, 1, 0, 1, 5, 7, 9, 12, 16, 21, 28, 165, 241, 354, 518, 760, 1113, 1632, 2391, 3505, 14823, 22741, 34888, 53524, 82114, 125976, 193267, 296502, 454881, 697859, 1070626, 1642509, 2519868, 3865875, 5930862, 9098878, 13959114, 21415483, 32854729, 50404337, 77328204 ]
[ "nonn" ]
A085245
[ 4, 2, 1, 2, 1, 1, 1, 6, 3, 2, 1, 1, 1, 6, 3, 2, 1, 2, 1, 1, 3, 2, 1, 3, 8, 4, 2, 1, 3, 2, 1, 1, 3, 7, 5, 5, 8, 4, 2, 1, 4, 2, 1, 3, 3, 7, 6, 3, 15, 9, 29, 28, 14, 7, 6, 3, 3, 8, 4, 2, 1, 4, 2, 1, 14, 7, 12, 6, 3, 3, 9, 5, 12, 6, 3, 8, 4, 2, 1, 3, 29, 18, 9, 18, 9, 10, 5, 13, 8, 4, 2, 1, 15, 12, 6, 3, 9, 6 ]
[ "nonn" ]
A166568
[ 1, 14, 182, 2366, 30758, 399854, 5198102, 67575326, 878479238, 11420230094, 148462991222, 1930018885886, 25090245516427, 326173191712368, 4240251492245496, 55123269398992700, 716602502184321500 ]
[ "nonn" ]
A068020
[ 1, 15, 40, 155, 156, 672, 400, 1395, 1210, 2520, 1464, 7280, 2380, 6336, 6600, 11811, 5220, 21030, 7240, 26880, 16672, 22752, 12720, 66960, 20306, 36792, 33880, 67040, 25260, 119592, 30784, 97155, 60144, 80136, 64080, 230966, 52060, 110880, 97384 ]
[ "nonn", "easy" ]
A367838
[ 1, 1, 6, 38, 344, 3832, 51408, 803952, 14371456, 289005440, 6457624832, 158719896832, 4255775425536, 123619815742464, 3867071262472192, 129610289219999740, 4633674344869757000, 176011269522607140000, 7.079115958438736e+21 ]
[ "nonn" ]
A021892
[ 0, 0, 1, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6, 1, 2, 6 ]
[ "nonn", "cons" ]
A050682
[ 9, 20, 22, 24, 28, 33, 40, 46, 56, 61, 72, 87 ]
[ "nonn", "base", "hard", "less", "more" ]
A046340
[ 27, 45, 63, 75, 99, 105, 117, 125, 147, 153, 165, 171, 175, 195, 207, 231, 243, 245, 255, 261, 273, 275, 279, 285, 325, 333, 343, 345, 357, 363, 369, 385, 387, 399, 405, 423, 425, 429, 435, 455, 465, 475, 477, 483, 507, 531, 539, 549, 555, 561, 567, 575 ]
[ "nonn" ]
A038664
[ 2, 4, 9, 24, 34, 46, 30, 282, 99, 154, 189, 263, 367, 429, 590, 738, 217, 1183, 3302, 2191, 1879, 1831, 7970, 3077, 3427, 2225, 3793, 8028, 4612, 4522, 3644, 8688, 14862, 12542, 15783, 3385, 34202, 19026, 17006, 44773, 23283, 38590, 14357 ]
[ "nonn" ]
A389656
[ 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0 ]
[ "nonn", "easy", "tabl" ]
A279056
[ 1, 3, 3, 2, 5, 5, 2, 2, 4, 9, 5, 3, 7, 4, 3, 1, 7, 13, 6, 7, 9, 4, 2, 4, 10, 13, 10, 4, 9, 6, 3, 3, 9, 15, 7, 10, 8, 6, 5, 6, 14, 14, 7, 3, 14, 7, 2, 3, 5, 14, 12, 11, 12, 9, 5, 5, 9, 12, 6, 6, 10, 5, 4, 2, 11, 20, 10, 10, 12, 4, 2, 6, 13, 14, 10, 4, 7, 5, 1, 5 ]
[ "nonn" ]
A245882
[ 1, 1, 2, 6, 21, 110, 793, 10251, 239307, 10985229 ]
[ "nonn", "hard", "more" ]
A023438
[ 0, 1, 1, 2, 3, 5, 8, 13, 21, 33, 53, 84, 134, 213, 339, 539, 857, 1363, 2167, 3446, 5479, 8712, 13852, 22025, 35020, 55682, 88535, 140771, 223827, 355886, 565861, 899722, 1430563, 2274603, 3616631, 5750463, 9143267, 14537844, 23115250, 36753372, 58438059 ]
[ "nonn" ]
A154071
[ 990, 3472, 5217, 7165, 5966, 5372, 3621, 1629, 738, 448, 184, 109, 100, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87 ]
[ "nonn" ]
A079357
[ 1, 5, 9, 13, 12, 16, 20, 24, 23, 27, 31, 30, 29, 33, 37, 36, 40, 44, 48, 47, 51, 55, 54, 53, 57, 61, 60, 64, 63, 62, 61, 65, 64, 68, 72, 71, 70, 74, 78, 77, 81, 85, 89, 88, 92, 96, 95, 94, 98, 102, 101, 105, 104, 103, 102, 106, 105, 109, 113, 112, 111, 110, 109, 108, 107 ]
[ "nonn", "easy" ]
A184608
[ 98, 918, 8643, 84828, 828804, 8066003, 78509868, 764691186, 7447473213, 72527899252, 706321672438, 6878676029969, 66989453568236, 652390449771730, 6353437751734851, 61874263855863690, 602575259987891000 ]
[ "nonn" ]
A325363
[ 1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 32, 40, 47, 50, 52, 58, 64, 65, 73, 80, 94, 100, 104, 107, 116, 125, 128, 130, 145, 146, 151, 160, 169, 188, 197, 200, 208, 214, 232, 235, 250, 256, 257, 260, 290, 292, 302, 317, 320, 325, 338, 365, 376, 377, 394, 397 ]
[ "nonn" ]
A275542
[ 2, 3, 5, 7, 2, 3, 5, 7, 2, 2, 2, 2, 2, 3, 2, 2, 5, 2, 2, 7, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 5, 3, 3, 7, 3, 3, 2, 3, 5, 7, 5, 5, 5, 2, 5, 3, 5, 5, 5, 5, 5, 7, 5, 5, 2, 3, 5, 7, 7, 7, 7, 2, 7, 3, 7, 7, 5, 7, 7, 7, 7, 7, 2, 3, 5, 7, 2, 3, 5, 7 ]
[ "nonn", "base" ]
A209993
[ 1, 16, 45, 94, 159, 248, 349, 478, 623, 792, 973, 1182, 1423, 1672, 1933, 2238, 2559, 2888, 3261, 3630, 4063, 4504, 4925, 5374, 5935, 6456, 6957, 7534, 8159, 8728, 9453, 10062, 10767, 11480, 12141, 12942, 13855, 14584, 15325, 16174, 17183 ]
[ "nonn" ]
A033109
[ 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 1, 3, 1, 2, 2, 2, 1, 4, 1, 2, 2, 3, 1, 3, 1, 3, 3, 2, 1, 4, 1, 3, 2, 3, 1, 4, 2, 3, 2, 2, 1, 6, 1, 2, 3, 4, 3, 5, 2, 4, 3, 5, 2, 8, 2, 3, 4, 4, 3, 5, 2, 7, 5, 3 ]
[ "nonn", "base" ]
A331286
[ 1, 1, 1, 3, 1, 3, 1, 1, 9, 3, 1, 1, 1, 3, 9, 5, 1, 3, 1, 1, 9, 3, 1, 5, 27, 3, 1, 1, 1, 3, 1, 3, 9, 3, 27, 15, 1, 3, 9, 5, 1, 3, 1, 1, 1, 3, 1, 3, 81, 9, 9, 1, 1, 5, 27, 5, 9, 3, 1, 15, 1, 3, 1, 7, 27, 3, 1, 1, 9, 9, 1, 9, 1, 3, 3, 1, 81, 3, 1, 3, 25, 3, 1, 15, 27, 3, 9, 5, 1, 5, 81, 1, 9, 3, 27, 7, 1, 27, 1, 45, 1, 3, 1, 5, 3 ]
[ "nonn" ]
A117988
[ 1, 4, 6, 16, 18, 576, 78, 1728, 1365, 5184, 486, 2985984, 3474, 389376, 13583700, 268435456, 65538, 119246400, 45006, 39261044736, 21400013700, 15116544, 67590, 45476068117708800, 8696104065, 772395264, 19496328075, 1822309056774144, 231340050 ]
[ "nonn" ]
A390548
[ 1, 6, 56, 574, 6157, 67826, 760384, 8630926, 98877509, 1140897484, 13239577408, 154356072202, 1806569021831, 21213157190064, 249787786119264, 2948416161538734, 34875908334254460, 413306724373243650, 4906128830898921000, 58324188981968175000, 694283772469428500000 ]
[ "nonn", "new" ]
A274142
[ 1, 1, 1, 2, 2, 4, 5, 8, 11, 17, 25, 37, 54, 81, 119, 177, 261, 388, 574, 851, 1260, 1868, 2767, 4101, 6077, 9006, 13347, 19781, 29315, 43448, 64392, 95436, 141444, 209636, 310705, 460501, 682519, 1011581, 1499295, 2222155, 3293534, 4881472, 7235018, 10723311, 15893460, 23556367, 34913897, 51747400 ]
[ "nonn" ]
A089844
[ 1, 1, 2, 4, 9, 23, 68, 205, 655, 2147, 7218, 24686, 85760, 301458, 1070820, 3836693, 13851191, 50333389, 183965474, 675825400, 2494114694 ]
[ "nonn" ]
A000613
[ 2, 4, 10, 46, 1372, 475499108, 1.0383979818409945e+24, 1.0825608503765473e+58 ]
[ "nonn", "easy", "nice" ]
A023961
[ 0, 4, 7, 0, 2, 4, 6, 8, 0, 1, 3, 4, 6, 7, 8, 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 1, 2, 3, 4, 4, 5, 6, 7, 7, 8, 9, 0, 0, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 0, 0, 1, 1, 2, 3, 3, 4, 4, 5, 6, 6, 7, 7, 8, 8, 9, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 0, 0, 0, 1, 1, 2 ]
[ "nonn", "easy", "base" ]
A172285
[ 0, 2, 1, 6, 7, 20, 33, 74, 139, 288, 565, 1142, 2271, 4556, 9097, 18210, 36403, 72824, 145629, 291278, 582535, 1165092, 2330161, 4660346, 9320667, 18641360, 37282693, 74565414, 149130799, 298261628, 596523225, 1193046482, 2386092931, 4772185896 ]
[ "nonn", "easy" ]
A128325
[ 1, 1, 1, 1, 1, 2, 1, 1, 3, 6, 1, 1, 4, 12, 23, 1, 1, 5, 20, 57, 104, 1, 1, 6, 30, 114, 305, 531, 1, 1, 7, 42, 200, 712, 1787, 2982, 1, 1, 8, 56, 321, 1435, 4772, 11269, 18109, 1, 1, 9, 72, 483, 2608, 10900, 33896, 75629, 117545, 1, 1, 10, 90, 692, 4389, 22219, 86799 ]
[ "nonn", "tabl" ]
A199329
[ 11, 19, 101, 109, 191, 199, 911, 919, 991, 1009, 1019, 1091, 1109, 1901, 1999, 9001, 9011, 9091, 9109, 9199, 9901, 10009, 10091, 10099, 10111, 10909, 11119, 11909, 19001, 19009, 19919, 19991, 90001, 90011, 90019, 90191, 90199, 90901, 90911, 91009, 91019, 91099, 91199, 91909, 99109, 99119, 99191, 99901, 99991 ]
[ "nonn", "base" ]
A262369
[ 11, 2, 13, 3, 23, 17, 41, 31, 29, 19, 5, 43, 37, 211, 101, 61, 53, 47, 307, 223, 103, 7, 67, 59, 401, 311, 227, 107, 83, 71, 601, 503, 409, 313, 229, 109, 97, 89, 73, 607, 509, 419, 317, 233, 113, 101, 907, 809, 79, 613, 521, 421, 331, 239, 127 ]
[ "nonn", "base", "tabl", "look" ]
A330590
[ 2, 4, 2, 2, 6, 2, 8, 2, 8, 2, 2, 12, 2, 8, 2, 8, 2, 16, 2, 8, 2, 2, 18, 2, 20, 2, 8, 2, 8, 2, 24, 2, 20, 2, 8, 2, 2, 12, 2, 24, 2, 20, 2, 8, 2, 8, 2, 16, 2, 24, 2, 20, 2, 8, 2, 2, 12, 2, 20, 2, 24, 2, 20, 2, 8, 2, 32, 2, 16, 2, 24, 2, 24, 2, 20, 2, 8, 2, 2, 72 ]
[ "nonn", "tabl" ]
A216120
[ 1, 2, 6, 22, 2, 94, 22, 4, 462, 172, 72, 12, 2, 2582, 1244, 824, 276, 94, 16, 4, 16214, 9126, 8016, 3996, 1990, 660, 248, 56, 12, 2, 113166, 70482, 74220, 48012, 30898, 14372, 7520, 2720, 1068, 318, 84, 16, 4, 869662, 581264, 690744, 534000, 414532, 239704, 156440, 75668, 39256, 16952, 7032, 2384, 868, 224, 56, 12, 2 ]
[ "nonn", "tabf" ]
A213155
[ 1, -1, -99, -9601, -891099, -74657401, -4598985699, 83304101999, 105616323905301, 26458809087970200, 4788219040686299000, 620396956870561900000, 1.5434896384804497e+22, -2.5743663357271553e+25 ]
[ "sign" ]
A355610
[ 1, 1, 1, 1, 0, 2, 1, 0, 2, 6, 1, 0, 0, 3, 24, 1, 0, 0, 3, 20, 120, 1, 0, 0, 0, 6, 90, 720, 1, 0, 0, 0, 4, 20, 594, 5040, 1, 0, 0, 0, 0, 10, 180, 4200, 40320, 1, 0, 0, 0, 0, 5, 40, 1134, 34544, 362880, 1, 0, 0, 0, 0, 0, 15, 210, 7980, 316008, 3628800, 1, 0, 0, 0, 0, 0, 6, 70, 1904, 71280, 3207240, 39916800 ]
[ "nonn", "tabl" ]
A058391
[ 1, 7, 198, 5929, 145168, 2459994, 30170387, 282159907, 2114430613, 13190940964, 70598379694, 331820068035, 1395291176641, 5327752138987, 18698405435444, 60922707883197, 185814239933254, 534246250634068, 1456622823771075 ]
[ "nonn" ]
A365397
[ 63, 63, 63, 62, 63, 62, 63, 62, 62, 61, 62, 61, 62, 62, 61, 60, 61, 60, 61, 60, 60, 60, 61, 60, 60, 60, 60, 59, 60, 59, 60, 60, 60, 60, 60, 59, 60, 60, 60, 59, 60, 59, 60, 60, 60, 60, 61, 60, 60, 60, 60, 60, 61, 60, 60, 59, 59, 59, 60, 59, 60, 60, 59, 58, 58 ]
[ "nonn" ]
A318639
[ 1, 2, 22, 646, 28847, 1741588, 133980041, 12608022914, 1409256807168, 183015824998133, 27146136664293732, 4536471294450895400, 844659618442741500000, 1.7361183926882703e+23, 3.9085824299332715e+25, 9.574184453657569e+27, 2.536995721294133e+30, 7.235760835789468e+32, 2.2114024448869888e+35 ]
[ "nonn" ]
A334237
[ 2, 16, 198, 2368, 30100, 392544, 5248782, 71501056, 989177508, 13859716000, 196282985756, 2805235913088, 40408113882344, 586055349387200, 8551024115349150, 125431745952519170, 1848653992986172400, 27362153523832615000, 406546456064695340000 ]
[ "nonn", "walk" ]
A296371
[ 1, 1, 1, 2, 2, 3, 4, 4, 5, 6, 7, 9, 10, 11, 13, 15, 17, 19, 21, 23, 26, 30, 33, 36, 40, 44, 49, 54, 58, 63, 69, 75, 82, 89, 95, 103, 112, 120, 129, 138, 147, 158, 170, 182, 194, 207, 221, 236, 252, 267, 283, 301, 319, 339, 360, 380, 402, 426, 450, 475, 501, 527 ]
[ "nonn" ]
A018354
[ 1, 2, 3, 6, 41, 82, 123, 246 ]
[ "nonn", "fini", "full", "easy" ]
A321973
[ 0, 1, 6, 16, 36, 62, 112, 162, 242, 332, 462, 584, 784, 954, 1204, 1464, 1784, 2074, 2524, 2886, 3406, 3906, 4516, 5046, 5846, 6496, 7346, 8156, 9156, 9998, 11298, 12260, 13540, 14760, 16210, 17510, 19310, 20680, 22490, 24190, 26270, 27952, 30452, 32302, 34742 ]
[ "nonn", "easy" ]
A119072
[ 9, 10, 89, 100, 899, 900, 1000, 8989, 9000, 10000, 30134, 31624, 90000, 95289, 100000, 900000, 953944, 1000000, 9000000, 10000000, 10044944, 32880100, 90000000, 100000000, 900000000, 1000000000, 3328800100, 9000000000 ]
[ "nonn", "base" ]
A160084
[ 1, 25, 287, -9725, -534143, -205375, 897567295, 22855682875, -1552252148095, -100608070196375, 2206749279595615, 395224009253637900, 1675906409804450300, -1.561130921287644e+21, -4.639220579687185e+22, 6.227466374611334e+24, 3.9089514275542366e+26 ]
[ "sign", "frac" ]
A106449
[ 0, 3, 3, 2, 0, 2, 5, 1, 1, 5, 4, 3, 0, 3, 4, 7, 7, 7, 7, 7, 7, 6, 2, 2, 0, 2, 2, 6, 9, 5, 3, 1, 1, 3, 5, 9, 8, 5, 4, 1, 0, 1, 4, 5, 8, 11, 11, 11, 3, 1, 1, 3, 11, 11, 11, 10, 4, 6, 3, 2, 0, 2, 3, 6, 4, 10, 13, 9, 7, 13, 13, 1, 1, 13, 13, 7, 9, 13, 12, 7, 8, 7, 4, 7, 0, 7, 4, 7, 8, 7, 12, 15, 15, 5 ]
[ "nonn", "tabl" ]
A086814
[ 2, 5, 9, 12, 16, 20, 24, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63, 67, 71, 75, 79, 83, 87, 91, 95, 99, 103, 107, 111, 115, 119, 123, 127, 131, 135, 139, 143, 147, 151, 155, 159, 163, 167, 171, 175, 179, 183, 187, 191, 195 ]
[ "nonn", "easy" ]
A036381
[ 0, 0, 0, 1, 0, 5, 8, 21, 42, 89, 180, 361, 720, 1438, 2867, 5696, 11282, 22392, 44340, 87887, 174045, 344719, 682767, 1352375, 2678305, 5305631, 10510870, 20824910, 41264654, 81776998, 162083352, 321295873 ]
[ "nonn", "more" ]
A352265
[ 478, 487, 748, 784, 847, 874, 1478, 1487, 1748, 1784, 1847, 1874, 2278, 2287, 2447, 2474, 2728, 2744, 2782, 2827, 2872, 4078, 4087, 4178, 4187, 4247, 4274, 4427, 4472, 4708, 4718, 4724, 4742, 4780, 4781, 4807, 4817, 4870, 4871, 5788, 5878, 5887, 7048, 7084, 7148, 7184, 7228 ]
[ "nonn", "base" ]
A049175
[ 1, 1, 3, 11, 43, 181, 799, 3641, 17013, 81069, 392427, 1924363, 9539431, 47726001, 240671423, 1222026809, 6242470529, 32058889049, 165425745315, 857247711523, 4459393489451, 23278491380285, 121901175460639, 640201825131969 ]
[ "nonn" ]
A331304
[ 1, 2, 3, 4, 5, 6, 3, 7, 8, 9, 5, 10, 3, 11, 12, 13, 5, 14, 3, 15, 16, 17, 5, 18, 19, 20, 21, 22, 3, 23, 5, 24, 25, 26, 27, 28, 3, 29, 30, 31, 5, 32, 3, 33, 34, 35, 5, 36, 37, 38, 39, 40, 3, 41, 42, 43, 44, 45, 5, 46, 3, 47, 48, 49, 50, 51, 5, 52, 53, 54, 3, 55, 5, 56, 57, 58, 59, 60, 3, 61, 62, 63, 5, 64, 65, 66, 67, 68, 3, 69, 70, 71, 72, 73, 74, 75, 5, 76, 77, 78, 3, 79, 5, 80, 81 ]
[ "nonn" ]
A170072
[ 1, 15, 210, 2940, 41160, 576240, 8067360, 112943040, 1581202560, 22136835840, 309915701760, 4338819824640, 60743477544960, 850408685629440, 11905721598812160, 166680102383370240, 2333521433367183400 ]
[ "nonn" ]
A309521
[ 4, 8, 16, 17, 11, 10, 17, 16, 17, 16, 16, 17, 10, 11, 5, 4, 11, 10, 16, 17, 11, 10, 17, 16, 16, 17, 16, 21, 25, 26, 27, 28, 28, 29, 23, 22, 29, 28, 29, 28, 28, 29, 22, 23, 17, 16, 22, 23, 16, 17, 11, 9, 10, 12, 17, 15, 21, 23, 16, 18, 26, 28, 36, 38, 47, 45 ]
[ "base", "nonn" ]
A124312
[ 0, 0, 1, 0, 1, 2, 4, 8, 15, 30, 59, 116, 228, 448, 881, 1732, 3405, 6694, 13160, 25872, 50863, 99994, 196583, 386472, 759784, 1493696, 2936529, 5773064, 11349545, 22312618, 43865452, 86237208, 169537887, 333302710, 655255875, 1288199132 ]
[ "nonn", "easy" ]
A168868
[ 1, 47, 2162, 99452, 4574792, 210440432, 9680259872, 445291954112, 20483429889152, 942237774900992, 43342937645445630, 1993775131690499000, 91713656057762960000, 4.218828178657096e+21, 1.9406609621822642e+23 ]
[ "nonn" ]
A260100
[ 85, 201, 477, 1151, 2794, 6804, 16453, 39854, 96501, 233975, 566755, 1373344, 3326942, 8061337, 19530608, 47321405, 114650673, 277784695, 673027156, 1630654912, 3950831441, 9572304480, 23192285181, 56191572297, 136144001797 ]
[ "nonn" ]
A284404
[ 1, 0, 101, 111, 11111, 111111, 1111111, 11111111, 111111111, 1111111111, 11111111111, 111111111111, 1111111111111, 11111111111111, 111111111111111, 1111111111111111, 11111111111111112, 111111111111111100, 1111111111111111200, 11111111111111110000 ]
[ "nonn", "easy" ]
A093505
[ 0, 2, 3, 3, 5, 5, 6, 8, 9, 9, 10, 12, 12, 14, 15, 15, 17, 17, 18, 20, 20, 22, 23, 23, 24, 26, 27, 27, 29, 29, 30, 32, 33, 33, 34, 36, 36, 38, 39, 39, 40, 42, 43, 43, 45, 45, 46, 48, 48, 50, 51, 51, 53, 53, 54, 56, 57, 57, 58, 60, 60, 62, 63, 63, 65 ]
[ "easy", "nonn" ]
A089405
[ 1, 1, 2, 4, 9, 20, 47, 112, 279, 712, 1868, 5020, 13792, 38630, 110105, 318756, 935817, 2782424, 8368484, 25434314, 78047606 ]
[ "nonn" ]
A293793
[ 2, 4, 7, 17, 19, 21, 25, 27, 32, 34, 38, 40, 42, 46, 49, 52, 54, 56, 59, 62, 64, 66, 68, 75, 81, 83, 85, 90, 98, 101, 106, 111, 114, 120, 127, 131, 136, 138, 143, 149, 151, 158, 164, 170, 172, 175, 178, 181, 184, 187, 189, 191, 194, 196, 199, 207, 210, 213 ]
[ "nonn", "easy", "base" ]
A106661
[ 6, 166, 4666, 46666, 1466666, 5666666, 116666666, 166666666, 13666666666, 46666666666, 766666666666, 20666666666666, 106666666666666, 766666666666666, 2666666666666666, 46666666666666664, 4066666666666666500 ]
[ "base", "nonn" ]
A354424
[ 2, 6, 10, 12, 15, 20, 28, 30, 40, 42, 56, 60, 84, 105, 120, 140, 168, 180, 210, 252, 280, 315, 330, 360, 385, 390, 420, 616, 630, 660, 770, 780, 840, 924, 1092, 1155, 1260, 1540, 1820, 1848, 1980, 2184, 2310, 2520, 2730, 3080, 3465, 3640, 3960, 4095, 4290, 4620, 5460, 6552, 6930 ]
[ "nonn" ]
A145510
[ 10, 118, 14158, 200477278, 40191139395243840, 1.6153276858879214e+33, 2.609283532796027e+66 ]
[ "nonn", "easy" ]
A367489
[ 0, 0, 4, 18, 120, 1110, 13140, 189042, 3197040, 62093358, 1361253900, 33236925546, 894243758760, 26281928034726, 837663638344260, 28775491618091490, 1059805146165293300, 41657455054069680000, 1.7405352107346517e+21, 7.702990163162317e+22 ]
[ "nonn", "easy" ]
A155635
[ 1, 12, 88, 636, 4720, 35892, 277768, 2175276, 17167840, 136170852, 1083507448, 8638762716, 68963617360, 550976517012, 4404150026728, 35214889666956, 281627564601280, 2252562753138372, 18018213206747610, 144134261562184000 ]
[ "nonn", "easy" ]
A329868
[ 0, 1, 2, 7, 11, 15, 18, 31, 63, 75, 127, 255, 511, 1023, 1234, 2047, 4095, 8191, 9638, 16383, 32767, 65535, 131071, 262143, 524287, 1048575, 2097151, 4194303, 8388607 ]
[ "nonn", "more" ]
A080847
[ 3, 1, 1, 2, 1, 3, 1, 2, 2, 3, 1, 2, 1, 3, 3, 2, 1, 2, 1, 2, 3, 3, 1, 2, 2, 3, 2, 2, 1, 1, 1, 2, 3, 3, 3, 2, 1, 3, 3, 2, 1, 1, 1, 2, 2, 3, 1, 2, 2, 2, 3, 2, 1, 2, 3, 2, 3, 3, 1, 2, 1, 3, 2, 2, 3, 1, 1, 2, 3, 1, 1, 2, 1, 3, 2, 2, 3, 1, 1, 2, 2, 3, 1, 2, 3, 3, 3, 2, 1, 2, 3, 2, 3, 3, 3, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1 ]
[ "nonn", "easy" ]
A058817
[ 0, 2, 4, 6, 8, 12, 14, 16, 18, 20, 22, 24, 28, 30, 32, 36, 38, 40, 42, 44, 46, 48, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 88, 90, 92, 94, 96, 98, 102, 104, 106, 108, 110, 112, 114, 118, 120, 124, 126, 128, 132, 136, 138, 140, 142, 144, 148, 150, 152 ]
[ "nonn" ]
A154540
[ 3, 9, 0, 6, 8, 9, 0, 5, 9, 5, 6, 0, 8, 5, 1, 8, 5, 2, 9, 3, 2, 4, 0, 5, 8, 3, 7, 3, 4, 3, 7, 2, 0, 6, 6, 8, 4, 6, 2, 4, 6, 4, 5, 8, 0, 0, 7, 1, 7, 0, 6, 1, 6, 7, 2, 5, 1, 0, 5, 0, 9, 0, 5, 0, 3, 5, 7, 0, 3, 3, 0, 0, 4, 4, 0, 2, 9, 8, 3, 7, 7, 8, 3, 7, 2, 4, 2, 0, 2, 1, 8, 2, 7, 7, 4, 5, 8, 3, 9 ]
[ "nonn", "cons" ]
A220852
[ 7, -37, 19899, -235225, 268989175, -4985687133, 1052143756587, -25075299330081, 71491170131441780, -1979286926244381400, 319756423353994500000, -9.700423363591011e+21, 5.919065321069317e+24, -1.8999353704672654e+26 ]
[ "sign", "frac" ]
A156789
[ 1, 1, 4, 6, 1, 8, 36, 80, 70, 1, 12, 90, 400, 1050, 1512, 924, 1, 16, 168, 1120, 4900, 14112, 25872, 27456, 12870, 1, 20, 270, 2400, 14700, 63504, 194040, 411840, 579150, 486200, 184756, 1, 24, 396, 4400, 34650, 199584, 853776, 2718144, 6370650, 10696400, 12193896, 8465184, 2704156 ]
[ "nonn", "tabf" ]
A248664
[ 1, 2, 2, 5, 12, 9, 16, 68, 112, 64, 65, 420, 1125, 1375, 625, 326, 2910, 11124, 21600, 20736, 7776, 1957, 22652, 114611, 311787, 470596, 369754, 117649, 13700, 196872, 1254976, 4455424, 9342976, 11468800, 7602176, 2097152, 109601, 1895148, 14699961, 65045025 ]
[ "nonn", "tabl", "easy" ]
A120961
[ 25, 65, 85, 125, 145, 169, 185, 205, 221, 265, 289, 305, 325, 365, 377, 425, 445, 481, 485, 493, 505, 533, 545, 565, 625, 629, 685, 689, 697, 725, 745, 785, 793, 841, 845, 865, 901, 905, 925, 949, 965, 985, 1025, 1037, 1073, 1105, 1145, 1157, 1165, 1189, 1205 ]
[ "nonn" ]
A087231
[ 1, 4, 6, 2, 26, 10, 106, 42, 426, 170, 1706, 682, 6826, 2730, 27306, 10922, 109226, 43690, 436906, 174762, 1747626, 699050, 6990506, 2796202, 27962026, 11184810, 111848106, 44739242, 447392426, 178956970, 1789569706, 715827882, 7158278826, 2863311530 ]
[ "nonn", "easy" ]
A231117
[ 1, 1, 2, 0, 3, 2, 5, 0, 2, 3, 7, 0, 8, 5, 6, 1, 11, 0, 12, 1, 8, 9, 15, 0, 7, 10, 5, 3, 17, 8, 19, 3, 13, 13, 15, 1, 23, 15, 17, 2, 26, 11, 28, 3, 6, 18, 30, 1, 16, 3, 21, 5, 32, 2, 25, 4, 23, 23, 36, 1, 37, 25, 10, 6, 30, 18, 41, 6, 29, 22, 44, 2, 45, 30, 11, 7, 36, 22, 49, 4, 17, 32 ]
[ "nonn" ]
A038056
[ 2, 3, 6, 18, 54, 189, 700, 2778, 11486, 49377, 217936, 984818, 4533004, 21198962, 100471862, 481754806, 2333465628, 11404047817, 56177574628, 278710061814, 1391617108600, 6988781174376, 35283390923324, 178990052273558, 912019786448570, 4665994686718118 ]
[ "nonn" ]
A075284
[ 18, 45, 99, 279, 747, 909, 1611, 1737, 2007, 2259, 2439, 2799, 3879, 5193, 5571, 5787, 6147, 6219, 6471, 6813, 6849, 7677, 8271, 8577, 8703, 8739, 8793, 9279, 9549, 9621, 10107, 10161, 10629, 10953, 11241, 11511, 11619, 11709, 13329, 14031 ]
[ "easy", "nonn" ]
A084747
[ 1, 3, 8, 9, 14, 17, 24, 29, 32, 33, 42, 47, 54, 57, 58, 63, 72, 79, 84, 87, 88, 91, 108, 113, 114, 123, 124, 129, 138, 143, 150, 159, 160, 163, 164, 175, 190, 191, 194, 199, 210, 215, 226, 227, 232, 235, 246, 259, 262, 263, 266, 279, 294, 295, 298, 303, 310, 315 ]
[ "easy", "nonn" ]
A291545
[ 6, 6, 9, 10, 16, 16, 27, 27, 28, 28, 95, 95, 96, 96, 121, 121, 122, 122, 123, 123, 124, 124, 125, 125, 126, 126, 537, 537, 538, 538, 539, 539, 540, 540, 905, 905, 906, 906, 1149, 1149, 1150, 1150, 1349, 1349, 1350, 1350, 1351, 1351, 1352, 1352 ]
[ "nonn" ]
A378026
[ 1, 6, 54, 816, 14814, 295812, 6262488, 137929392, 3125822238, 72383434332, 1704669773652, 40693683620448, 982302086191752, 23933136140685650, 587728374471479900, 14530886841268922000, 361374588105759060000, 9.033515437023806e+21, 2.2684468994843328e+23, 5.71946185450732e+24 ]
[ "nonn", "walk" ]
A120140
[ 13, 19, 29, 43, 65, 97, 146, 219, 328, 492, 738, 1107, 1661, 2491, 3737, 5605, 8408, 12612, 18918, 28377, 42565, 63848, 95772, 143658, 215487, 323230, 484845, 727268, 1090902, 1636353, 2454529, 3681794, 5522691, 8284036, 12426054, 18639081 ]
[ "nonn" ]