id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A036275
[ 0, 0, 3, 0, 0, 6, 142857, 0, 1, 0, 90, 3, 769230, 714285, 6, 0, 5882352941176470, 5, 526315789473684200, 0, 476190, 45, 4.3478260869565215e+21, 6, 0, 384615, 370, 571428, 3.4482758620689657e+27, 3, 322580645161290, 0, 30, 2941176470588235, 285714, ...
[ "base", "nonn", "easy", "nice" ]
A032365
[ 8, 60, 68, 140, 216, 416, 1808, 1944, 9096, 76596, 93168, 4673544, 5560820, 8348000 ]
[ "nonn", "hard" ]
A080863
[ 25, 55, 85, 115, 145, 175, 203, 205, 235, 265, 295, 325, 355, 385, 413, 415, 445, 475, 505, 535, 565, 595, 623, 625, 655, 685, 715, 745, 775, 805, 833, 835, 865, 895, 925, 955, 985, 1015, 1043, 1045, 1075, 1105, 1135, 1165, 1195...
[ "nonn" ]
A029992
[ 0, 1, 2, 4, 8, 10, 11, 20, 32, 40, 50, 57, 64, 80, 160, 200, 344, 400, 500, 550, 557, 730, 1000, 1376, 1432, 1892, 2402, 2451, 2500, 2752, 2801, 3440, 3784, 3902, 5101, 5266, 6880, 8296, 9460, 9608, 9804, 16808, 17200, 19216, 19...
[ "nonn", "base" ]
A282588
[ 0, 4, 84, 533, 4083, 28060, 184242, 1182850, 7409734, 45609366, 276724198, 1658667528, 9840740297, 57872157985, 337740023639, 1957812305494, 11281512922724, 64661940248355, 368849449666421, 2094922016941952 ]
[ "nonn" ]
A043520
[ 7777, 17777, 27777, 37777, 47777, 57777, 67777, 70777, 71777, 72777, 73777, 74777, 75777, 76777, 77077, 77177, 77277, 77377, 77477, 77577, 77677, 77707, 77717, 77727, 77737, 77747, 77757, 77767, 77770, 77771, 77772 ]
[ "nonn", "base" ]
A337944
[ 0, 2, 2, 8, 4, 16, 7, 24, 14, 26, 14, 50, 18, 47, 24, 60, 23, 84, 30, 72, 45, 80, 37, 140, 36, 92, 64, 135, 46, 144, 53, 152, 84, 127, 59, 238, 62, 156, 100, 180, 71, 263, 76, 230, 110, 189, 85, 352, 102, 194, 133, ...
[ "nonn" ]
A194954
[ 2, 3, 5, 7, 11, 13, 17, 23, 29, 31, 37, 43, 47, 53, 59, 67, 71, 73, 79, 97, 101, 107, 113, 137, 139, 151, 157, 173, 179, 191, 199, 229, 233, 239, 241, 271, 277, 283, 307, 311, 313, 331, 337, 349, 367, 379, 383, 433, 439,...
[ "nonn", "base" ]
A146124
[ 0, 32, 516, 2307, 6472, 14379, 27684, 48331, 78552, 120867, 178084, 253299, 349896, 471547, 622212, 806139, 1027864, 1292211, 1604292, 1969507, 2393544, 2882379, 3442276, 4079787 ]
[ "nonn" ]
A225996
[ 3024, 1596291840, 294038117867520, 68184361565718770000, 1.608480832312305e+25, 3.830251318099321e+30, 9.318234801331786e+35 ]
[ "nonn" ]
A268175
[ 2, 2, 4, 6, 12, 82, 14, 22, 244, 44, 120, 94, 1010, 764, 834, 1076, 516, 3252, 1384, 1664, 7040, 6104, 20942, 14344, 37142, 12522, 12554, 64160, 32172, 44460, 49400, 291726 ]
[ "nonn", "more", "hard" ]
A236150
[ 2148, 16128, 146568, 1351296, 12511728, 115757328, 1072589616, 9925448784, 91969145856, 851086457904, 7885964625216, 72978958778976, 676188542581680, 6257796438868368, 57980372654051280, 536592972297524200 ]
[ "nonn" ]
A308668
[ 1, 9, 82, 1089, 15626, 287010, 5764802, 135270401, 3487315843, 100244173394, 3138428376722, 107072686593858, 3937376385699290, 155601328490478980, 6568412173896941000, 295165920677390700000, 1.4063084452067724e+22 ]
[ "nonn" ]
A137909
[ 1, 2, 2, 3, 17, 8, 3, 6, 96, 9, 224, 33, 260, 1044, 2397, 3, 1487, 657, 9602, 2133, 18438, 93, 17273, 32583, 66539, 9632, 1431, 100440, 150857 ]
[ "hard", "more", "nonn" ]
A007479
[ 0, 3, 6, 5, 12, 2, 10, 9, 24, 11, 4, 14, 20, 15, 18, 17, 48, 26, 22, 21, 8, 23, 28, 38, 40, 27, 30, 29, 36, 50, 34, 33, 96, 35, 52, 62, 44, 39, 42, 41, 16, 74, 46, 45, 56, 47, 76, 86, 80, 51, 54, 53, 60, 98, ...
[ "easy", "nonn", "nice" ]
A237028
[ 81, 563, 4042, 30045, 225731, 1709398, 12985257, 98824835, 752732146, 5735997813, 43718861747, 333254475550, 2540422933761, 19366344774803, 147636924297562, 1125499164013965, 8580187472356451, 65410743082158120, 498656791677215550 ]
[ "nonn" ]
A170919
[ 1, 1, 3, 3, 5, 45, 105, 315, 2835, 14175, 5775, 467775, 6081075, 2837835, 212837625, 70945875, 3618239625, 97692469875, 206239658625, 9280784638125, 1031198293125, 142924083427125, 322279795963125, 101111706320625, 136968913284328130, 161872352063296860 ]
[ "nonn", "frac" ]
A183494
[ 1, 3, 4, 8, 18, 32, 64, 132, 256, 512, 1032, 2048, 4096, 8208, 16384, 32768, 65568, 131072, 262144, 524352, 1048576, 2097152, 4194432, 8388608, 16777216, 33554688, 67108864, 134217728, 268435968, 536870912, 1073741824, 2147484672, 4294967296 ]
[ "nonn" ]
A213494
[ 0, 0, 0, 0, 0, 0, 1, 4, 8, 17, 25, 40, 57, 81, 105, 141, 177, 225, 274, 337, 401, 482, 562, 661, 762, 882, 1002, 1146, 1290, 1458, 1627, 1822, 2018, 2243, 2467, 2722, 2979, 3267, 3555, 3879, 4203, 4563, 4924, 5323, 5723, 6164,...
[ "nonn", "easy" ]
A153290
[ 2, 3, 3, 2, 14, 2, 2, 25, 25, 2, 2, 10, 138, 10, 2, 2, 22, 219, 219, 22, 2, 2, 56, 112, 1118, 112, 56, 2, 2, 128, 256, 1801, 1801, 256, 128, 2, 2, 344, 690, 1034, 8982, 1034, 690, 344, 2, 2, 854, 1710, 2566, 14551, 1...
[ "nonn", "uned", "tabl" ]
A329669
[ 1, 2, 4, 10, 23, 54, 129, 307, 733, 1757, 4213, 10115, 24315, 58481, 140741, 338890, 816304, 1966929, 4740758, 11428851, 27557585, 66458601, 160295262, 386671056, 932839439, 2250660384, 5430575647, 13104191607, 31622724351, 76314992880, 184178642468, 444...
[ "nonn", "walk" ]
A270676
[ 4, 4, 32, -20, 72, -44, 136, -124, 240, -204, 344, -300, 440, -360, 540, -524, 768, -732, 1000, -956, 1224, -1132, 1408, -1340, 1672, -1580, 1904, -1756, 2040, -1820, 2152, -2116, 2592, -2556, 3080, -3036, 3560, -3468, 4000, -3932, 4520...
[ "sign", "easy" ]
A333693
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 12, 11, 14, 15, 16, 17, 18, 25, 20, 21, 26, 29, 24, 19, 22, 23, 28, 27, 30, 31, 32, 33, 34, 49, 36, 41, 50, 57, 40, 37, 42, 45, 52, 53, 58, 61, 48, 35, 38, 39, 44, 43, 46...
[ "nonn", "base" ]
A132137
[ 1, 1, 2, 4, 8, 6, 2, 4, 8, 6, 4, 6, 5, 7, 6, 7, 7, 8, 9, 1, 2, 4, 8, 6, 2, 4, 8, 6, 4, 6, 5, 7, 6, 7, 7, 8, 9, 2, 3, 6, 2, 4, 8, 6, 3, 5, 4, 4, 8, 6, 6, 8, 7, 8, 9, 3, 3, 6, 3, 5, 3, 3, 6, 3...
[ "base", "nonn" ]
A068225
[ 2, 11, 12, 3, 4, 1, 8, 9, 10, 27, 28, 29, 30, 13, 14, 15, 16, 5, 6, 7, 22, 23, 24, 25, 26, 51, 52, 53, 54, 55, 56, 31, 32, 33, 34, 35, 36, 17, 18, 19, 20, 21, 44, 45, 46, 47, 48, 49, 50, 83, 84, 85, 86, 87, 8...
[ "nonn", "easy" ]
A266408
[ 1, 2, 4, 5, 3, 11, 10, 14, 9, 8, 7, 32, 13, 29, 37, 41, 6, 26, 12, 23, 15, 20, 28, 95, 22, 38, 115, 86, 19, 110, 16, 122, 30, 17, 36, 77, 34, 35, 55, 68, 25, 44, 31, 59, 60, 83, 40, 284, 61, 65, 100, 113, 33, 3...
[ "nonn", "base" ]
A186278
[ 1, 4, 10, 28, 37, 40, 43, 58, 64, 73, 79, 82, 85, 91, 100, 109, 118, 124, 127, 139, 148, 154, 175, 181, 187, 208, 226, 229, 232, 235, 241, 247, 253, 265, 271, 277, 280, 286, 298, 304, 313, 316, 319, 322, 325, 331, 334, 349...
[ "nonn", "easy", "base" ]
A340570
[ 42, 72, 348, 1998, 4722, 9282, 28182, 34128, 34962, 46818, 46830, 57348, 59442, 71328, 79398, 81552, 97860, 113160, 115602, 117618, 138798, 151008, 157218, 158748, 179898, 183510, 184902, 185070, 234810, 244158, 245418, 284130, 316698, 328062, 3353...
[ "nonn" ]
A333315
[ 1, 2, 4, 6, 10, 14, 22, 28, 38, 50, 58, 70, 86, 98, 120, 144, 172, 188, 208, 232, 256, 280, 320, 360, 392, 432, 464, 516, 552, 600, 636, 684, 748, 792, 864, 904, 952, 1006, 1088, 1172, 1260, 1308, 1380, 1444, 1528, 1588, 163...
[ "nonn" ]
A212656
[ 1, 6, 21, 46, 81, 126, 181, 246, 321, 406, 501, 606, 721, 846, 981, 1126, 1281, 1446, 1621, 1806, 2001, 2206, 2421, 2646, 2881, 3126, 3381, 3646, 3921, 4206, 4501, 4806, 5121, 5446, 5781, 6126, 6481, 6846, 7221, 7606, 8001, 8406, 88...
[ "nonn", "easy" ]
A237980
[ 1, 1, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 9, 10, 13, 15, 18, 21, 25, 28, 32, 36, 44, 49, 60, 66, 80, 89, 103, 115, 132, 147, 168, 188, 212, 236, 269, 301, 344, 385, 437, 485, 549, 606, 678, 751, 837, 926, 1031, 1133, 1263,...
[ "nonn", "tabf", "easy" ]
A205292
[ 2913944, 346714732, 33047965838, 3070051844636, 296866931188932, 28874858370088176 ]
[ "nonn" ]
A049538
[ 1, 2, 10, 105, 3823, 2218961 ]
[ "nonn", "more" ]
A276899
[ 1, 1, 3, 13, 75, 541, 4683, 47293, 545835, 7087261, 95160302, 1336605832, 19761235784, 308372439520, 5082485111648, 88427826212320, 1622190325391504, 31329432209039896, 635929197472661500, 13526250938401092000, 300743675140836900000, 6.975365075051731e+21 ]
[ "nonn" ]
A164908
[ 1, 6, 24, 96, 384, 1536, 6144, 24576, 98304, 393216, 1572864, 6291456, 25165824, 100663296, 402653184, 1610612736, 6442450944, 25769803776, 103079215104, 412316860416, 1649267441664, 6597069766656, 26388279066624, 105553116266496, 422212465065984, 1688849860263936 ]
[ "nonn", "easy" ]
A214219
[ 2, 3, 3, 47, 1531, 4073, 5081, 537661, 5538947, 5981567, 148871869, 5545986967, 28511128379, 85185688439 ]
[ "nonn" ]
A249965
[ 15, 2825, 100236, 1447334, 12123567, 70617807, 317518832, 1176570012, 3753186183, 10625460549, 27293238764, 64668634914, 143140038743, 298924843947, 593647442496, 1128342108536, 2063388866271, 3646247928129 ]
[ "nonn" ]
A280492
[ 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, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, -2, 0, 0, 0, 0, 0, 4, 0, 0, 0, 1, 0, 7, 0, 0, 0, 0, 0, -1, ...
[ "sign" ]
A266494
[ 1, 1, 1, 1, 1, 4, 13, 43, 126, 324, 778, 1793, 3987, 8829, 19834, 45595, 108018, 262830, 649760, 1616712, 4017230, 9918783, 24298995, 59106475, 143053466, 345488182, 834978806, 2023884376, 4926308771, 12044390596, 29559301171, 72735281708 ]
[ "nonn" ]
A161048
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 3, 2, 2, 4, 3, 3, 5, 4, 4, 6, 5, 5, 8, 6, 6, 8, 7...
[ "nonn" ]
A198941
[ 1, 2, 1, 1, 7, 9, 6, 4, 7, 4, 6, 7, 1, 9, 7, 7, 5, 7, 7, 4, 8, 1, 4, 0, 7, 2, 1, 2, 9, 1, 6, 5, 4, 8, 0, 2, 2, 5, 0, 0, 2, 8, 1, 2, 7, 0, 2, 6, 0, 6, 1, 4, 0, 2, 2, 3, 6, 4, 0, 4, 3, 2, 6, 7...
[ "nonn", "cons" ]
A102570
[ 1, 2, 3, 4, 5, 6, 10, 12, 7, 14, 8, 16, 18, 9, 20, 11, 48, 13, 28, 15, 31, 17, 36, 19, 38, 21, 22, 80, 44, 23, 43, 24, 25, 26, 51, 52, 27, 55, 29, 30, 58, 60, 32, 64, 66, 33, 34, 70, 68, 35, 144, 37, 76, 39, ...
[ "nonn" ]
A076178
[ 0, 0, 0, 2, 2, 4, 6, 10, 10, 12, 14, 18, 20, 24, 28, 34, 34, 36, 38, 42, 44, 48, 52, 58, 60, 64, 68, 74, 78, 84, 90, 98, 98, 100, 102, 106, 108, 112, 116, 122, 124, 128, 132, 138, 142, 148, 154, 162, 164, 168, 172, ...
[ "nonn" ]
A177994
[ 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 3, 1, 2, 1, 1, 3, 1, 2, 1, 1, 1, 4, 1, 3, 1, 2, 1, 1, 4, 1, 3, 1, 2, 1, 1, 1, 5, 1, 4, 1, 3, 1, 2, 1, 1, 5, 1, 4, 1, 3, 1, 2, 1, 1, 1 ]
[ "nonn", "tabl" ]
A257059
[ 1, 4, 18, 81, 1024, 7353, 106056, 1249592, 22143847, 282475249, 8589934592, 133642251792, 3531308221901, 71789886480657, 2171807721018968, 45949729863572160, 2218611106740437000, 53241469411989455000 ]
[ "nonn" ]
A028895
[ 0, 5, 15, 30, 50, 75, 105, 140, 180, 225, 275, 330, 390, 455, 525, 600, 680, 765, 855, 950, 1050, 1155, 1265, 1380, 1500, 1625, 1755, 1890, 2030, 2175, 2325, 2480, 2640, 2805, 2975, 3150, 3330, 3515, 3705, 3900, 4100, 4305, 4515, ...
[ "nonn", "easy" ]
A148824
[ 1, 1, 3, 8, 27, 83, 294, 977, 3580, 12456, 46593, 166515, 630911, 2297213, 8787547, 32445419, 124982926, 466281903, 1805459403, 6790584441, 26402173582, 99954779840, 389910514022, 1484033460118, 5804344426258, 22189779525318, 86980641532555, 333769367932621, 1...
[ "nonn", "walk" ]
A374789
[ 0, 1, 3, 2, 4, 9, 5, 6, 10, 7, 12, 11, 8, 13, 27, 14, 15, 18, 28, 16, 19, 30, 29, 17, 21, 20, 31, 22, 36, 32, 33, 23, 24, 37, 34, 25, 39, 38, 35, 26, 40, 81, 41, 42, 45, 54, 82, 43, 46, 55, 84, 83, 44, 48, 47...
[ "nonn", "base" ]
A099738
[ 2, 5, 10, 15, 24, 30, 43, 52, 66, 78, 99, 107, 132, 150, 171, 188, 221, 236, 273, 291, 322, 352, 397, 409, 453, 489, 530, 558, 615, 633, 694, 727, 778, 826, 883, 900, 973, 1027, 1088, 1118, 1199, 1229, 1314, 1362, 1419, 1485, ...
[ "nonn" ]
A344615
[ 1, 1, 2, 3, 6, 10, 17, 29, 50, 84, 143, 241, 408, 688, 1162, 1959, 3305, 5571, 9393, 15832, 26688, 44980, 75812, 127769, 215338, 362911, 611620, 1030758, 1737131, 2927556, 4933760, 8314754, 14012668, 23615198, 39798098, 67070686, 113032453, 1...
[ "nonn" ]
A106690
[ 9, 10, 16, 18, 24, 28, 30, 34, 46, 48, 58, 60, 64, 70, 76, 78, 84, 94, 106, 108, 118, 120, 126, 136, 144, 148, 150, 154, 156, 160, 178, 186, 190, 198, 210, 226, 228, 234, 238, 240, 246, 256, 258, 268, 274, 276, 286, 294, ...
[ "nonn", "easy" ]
A244068
[ 11, 12, 35, 38, 57, 59, 152, 599, 2812, 3419, 3915, 6733, 11671, 16706, 16714, 16858, 25303, 26752, 128257, 171762, 238571, 265872, 345715, 375923, 486141, 496975, 573433, 1492832, 2324671, 2944061 ]
[ "nonn", "base" ]
A083624
[ 3517236, 9325203, 10519242, 28653199, 65607194, 122342168, 128313922, 135018842, 147317225, 162390401, 168743355, 168743356, 175406803, 184641261, 197720922, 204132734, 221104964, 225060984, 228577795, 268767309, 270266106, 286343387, 289646537, 301829686, 302554121 ]
[ "nonn", "base" ]
A033120
[ 1, 2, 5, 11, 22, 45, 91, 182, 365, 731, 1462, 2925, 5851, 11702, 23405, 46811, 93622, 187245, 374491, 748982, 1497965, 2995931, 5991862, 11983725, 23967451, 47934902, 95869805, 191739611, 383479222, 766958445, 1533916891 ]
[ "nonn", "base", "easy" ]
A260652
[ 0, 1, 2, 4, 6, 8, 12, 14, 18, 20, 24, 30, 32, 36, 38, 42, 48, 50, 56, 60, 62, 68, 72, 78, 84, 86, 90, 94, 98, 102, 108, 114, 120, 126, 130, 136, 140, 146, 150, 156, 158, 162, 168, 174, 180, 182 ]
[ "nonn", "more" ]
A375427
[ 1, 2, 11, 50, 349, 2314, 19903, 173354, 1796345, 19428146, 237268051, 3061371202, 43223040661, 646504620410, 10385505523079, 176415362111354, 3181608981134833, 60451307924295390, 1210235352100542200, 25421507156298187000, 559597201410003960000 ]
[ "nonn" ]
A160160
[ 0, 1, 3, 7, 15, 23, 31, 39, 55, 87, 143, 175, 191, 199, 215, 247, 303, 359, 423, 503, 655, 887, 1239, 1383, 1431, 1463, 1487, 1527, 1583, 1639, 1703, 1783, 1935, 2167, 2519, 2735, 2903, 3079, 3351, 3711, 4207, 4655, 5191, 5855, ...
[ "nonn", "look" ]
A317139
[ 1, 1, 1, 4, 5, 43, 61, 906, 1385, 31493, 50521, 1629248, 2702765, 117248463, 199360981, 11190963430, 19391512145, 1367267690953, 2404879675441, 208031951035452, 370371188237525, 38563334673062960, 69348874393137900, 8554779137299629000, 15514534163557087000 ]
[ "nonn" ]
A266177
[ 0, 1, 0, 1, 1, 12, 141, 281633, 18922355489 ]
[ "nonn", "more" ]
A176280
[ 1, 2, 7, 26, 101, 402, 1625, 6638, 27319, 113054, 469811, 1958706, 8187063, 34290934, 143864999, 604402050, 2542083509, 10702020746, 45090876913, 190110250998, 801997354525, 3384971428258, 14292950533517, 60373808435046, 255102065046401, 1078202260326002 ]
[ "nonn", "easy" ]
A118291
[ 1, 1, 2, 1, 4, 2, 3, 1, 8, 4, 5, 1, 12, 2, 7, 1, 16, 8, 9, 3, 4, 10, 2, 12, 5, 3, 6, 7, 2, 15, 4, 16, 17, 1, 34, 2, 19, 1, 38, 2, 21, 3, 10, 5, 6, 11, 1, 47, 1, 49, 4, 24, 12, 13, 1, 55, 2, 27, 14, ...
[ "nonn" ]
A171179
[ 12, 18, 30, 42, 102, 138, 282, 618, 642, 822, 1698, 1878, 2082, 2238, 2382, 2658, 2802, 3462, 3558, 3918, 4638, 4722, 5442, 6198, 6702, 8538, 8598, 9678, 10938, 12162, 12378, 12822, 12918, 13218, 13722, 13758, 13998, 14082, 16062, 17418, ...
[ "nonn" ]
A192969
[ 1, 2, 6, 12, 23, 41, 71, 120, 200, 330, 541, 883, 1437, 2334, 3786, 6136, 9939, 16093, 26051, 42164, 68236, 110422, 178681, 289127, 467833, 756986, 1224846, 1981860, 3206735, 5188625, 8395391, 13584048, 21979472, 35563554, 57543061, 93106651 ]
[ "nonn" ]
A007190
[ 2, 6, 270, 478406250, 2.657492271347718e+34 ]
[ "nonn" ]
A309425
[ 1, 1, 3, 1, 3, 1, 5, 1, 5, 3, 1, 7, 5, 3, 1, 7, 5, 1, 9, 7, 3, 1, 9, 7, 5, 3, 1, 11, 7, 5, 1, 11, 9, 7, 5, 3, 1, 13, 11, 9, 5, 3, 1, 13, 11, 7, 1, 15, 13, 11, 9, 7, 5, 3, 1, 15, 13, 11, 9, 7, 5, ...
[ "nonn" ]
A233485
[ 386906152, 208066125583, 107592918949238, 55442546308058920, 28457838067515916000, 1.4599877618428748e+22, 7.487230243357113e+24, 3.839427812196855e+27, 1.9687621924411132e+30 ]
[ "nonn" ]
A331024
[ 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 3, 1, 3, 1, 1, 1, 5, 1, 1, 2, 3, 1, 1, 1, 3, 1, 1, 1, 5, 1, 1, 1, 5, 1, 1, 1, 3, 3, 1, 1, 7, 1, 3, 1, 3, 1, 5, 1, 5, 1, 1, 1, 9, 1, 1, 3, 4...
[ "nonn", "frac" ]
A329435
[ 0, 1, 1, 3, 2, 6, 4, 10, 9, 15, 14, 29, 24, 39, 44, 65, 66, 102, 105, 154, 170, 225, 253, 356, 385, 503, 583, 749, 847, 1100, 1238, 1572, 1809, 2234, 2579, 3219, 3660, 4484, 5195, 6314, 7245, 8800, 10087, 12141, 14011, 16678, ...
[ "nonn" ]
A250046
[ 1, 7, 8, 9, 10, 11, 12, 13, 50, 51, 52, 53, 54, 55, 57, 59, 61, 64, 65, 67, 68, 71, 73, 78, 79, 80, 81, 82, 83, 85, 89, 92, 93, 94, 95, 96, 97, 351, 353, 358, 359, 361, 362, 365, 367, 369, 372, 373, 374, 375, 376, ...
[ "nonn", "base" ]
A160087
[ 1, 2, -1454, -8740, 6342316, 63656312, -46108171016, -649081759408, 469281829870480, 8509453301475872, -6140897264957487000, -136349623665433180000, 9.82150110880573e+22, 2.5820030378265336e+24, -1.8564033140873852e+27 ]
[ "sign", "frac" ]
A357151
[ 1, 1, 3, 13, 60, 299, 1586, 8697, 49117, 283437, 1664128, 9908903, 59694494, 363179981, 2228272706, 13771458148, 85655772108, 535759514193, 3367801361510, 21264574306632, 134804893426581, 857682458939905, 5474890014327326, 35053167752718370, 225046818744827460 ]
[ "nonn" ]
A157378
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[ "nonn", "easy" ]
A385734
[ 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, -1, 0, 0, 1, 1, 1, 0, -1, -1, 0, 1, 1, 1, 1, 1, -1, -1, -1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, ...
[ "sign", "tabl" ]
A261261
[ 166, 232, 690, 1918, 4350, 10382, 26072, 63964, 155288, 379950, 931560, 2278454, 5570500, 13629422, 33349058, 81580648, 199570734, 488243484, 1194455224, 2922102016, 7148645416, 17488560724, 42784191822, 104667572730, 256059752954 ]
[ "nonn" ]
A027623
[ 1, 1, 2, 2, 11, 2, 4, 2, 52, 11, 4, 2, 22, 2, 4, 4, 390, 2, 22, 2, 22, 4, 4, 2, 104, 11, 4, 59, 22, 2, 8, 2 ]
[ "nonn", "nice", "hard", "more", "mult" ]
A388928
[ 9, 2, 2, 0, 1, 8, 2, 6, 7, 1, 1, 7, 2, 2, 5, 3, 2, 9, 9, 9, 2, 4, 2, 7, 4, 7, 2, 8, 5, 3, 9, 8, 0, 4, 2, 1, 8, 1, 9, 3, 6, 7, 5, 6, 2, 8, 1, 8, 4, 5, 9, 8, 7, 5, 8, 9, 4, 4, 4, 2, 8, 4, 8, 8...
[ "nonn", "cons" ]
A163418
[ 3, 7, 13, 31, 43, 73, 211, 241, 421, 463, 1123, 1723, 2551, 2971, 4831, 5701, 6163, 8011, 8191, 9901, 11131, 12433, 14281, 17293, 19183, 20023, 23563, 24181, 28393, 30103, 31153, 35911, 37831, 43891, 46441, 53593, 60271, 77563, 83233, 861...
[ "nonn", "easy" ]
A119763
[ 1, 1, 1, 2, 1, 5, 1, 11, 1, 23, 1, 47, 1, 5, 19, 95, 1, 5, 43, 215, 1, 479, 1, 7, 137, 959, 1, 2063, 1, 4127, 1, 5, 13, 65, 127, 635, 1651, 8255, 1, 83, 229, 19007, 1, 38327, 1, 5, 15331, 76655, 1, 137, 1231, 16864...
[ "nonn", "tabf", "changed" ]
A086417
[ 1, 3, 4, 7, 12, 15, 13, 28, 31, 39, 60, 40, 63, 91, 124, 120, 127, 195, 121, 252, 280, 255, 403, 363, 508, 600, 364, 511, 819, 847, 1020, 1240, 1092, 1023, 1651, 1815, 1093, 2044, 2520, 2548, 2047, 3315, 3751, 3279, 4092, 5080...
[ "nonn" ]
A311085
[ 1, 4, 8, 12, 14, 22, 22, 28, 30, 36, 40, 44, 46, 48, 60, 56, 64, 64, 72, 76, 80, 80, 82, 98, 90, 100, 98, 108, 112, 116, 114, 116, 136, 124, 136, 132, 144, 148, 152, 148, 150, 174, 158, 172, 166, 180, 184, 188, 182, 18...
[ "nonn" ]
A367644
[ 3, 3, 6, 11, 18, 30, 52, 91, 159, 278, 487, 854, 1498, 2628, 4611, 8091, 14198, 24915, 43722, 76726, 134644, 236283, 414647, 727654, 1276943, 2240878, 3932466, 6900996, 12110403, 21252275, 37295142, 65448411, 114853954, 201554638, 353703732, 6207...
[ "nonn", "easy" ]
A203889
[ 205, 1940, 16842, 131432, 940270, 6287755, 39889619, 242721211, 1428279867, 8179225950, 45807549072, 251870313730, 1363916141796, 7292379512157, 38576495950065, 202251507089485, 1052431144936985, 5441816782194136 ]
[ "nonn" ]
A335719
[ 3, 2, 10, 41, 122, 417, 1405, 4671, 15642, 52322, 174925, 585026, 1956437, 6542577, 21879595, 73169106, 244689882, 818285057, 2736485290, 9151275161, 30603431477, 102343114887, 342252900010, 1144552302066, 3827578878597, 12800079163442, 42805656473005, 143149444...
[ "nonn", "easy" ]
A062216
[ 3, 51, 83, 225, 561, 10419, 18255, 43869 ]
[ "nonn", "base" ]
A370591
[ 0, 1, 1, 1, 2, 2, 4, 4, 7, 11, 16, 16, 30, 30, 39, 73 ]
[ "nonn", "more" ]
A034820
[ 16776, 41719, 164612, 188435, 188682, 312184, 317594, 392771, 397617, 450413, 476055, 486283, 492240, 497913, 539471, 584029, 620029, 640883, 648445, 656757, 903009, 992790, 993475, 995917, 1045387, 1082078, 1194606, 1252496, 1322841 ]
[ "nonn", "base" ]
A095244
[ 1, 0, 1, 2, 3, 5, 3, 6, 5, 22, 22, 10, 20, 38, 7, 52, 55, 39, 31, 18, 17, 42, 8, 24, 72, 44, 32, 45, 87, 52, 7, 125, 22, 103, 56, 137, 123, 85, 51, 118, 39, 21, 147, 49, 99, 72, 195, 126, 152, 66, 61, 117, 19, ...
[ "base", "nonn", "less" ]
A208623
[ 1, 1, 92378, 9134237407, 23086562828397480, 2.3301841934552214e+23, 5.83973222133699e+30, 2.8923843998148494e+38, 2.448686095994328e+46, 3.201253130570382e+54 ]
[ "nonn", "walk" ]
A205636
[ 2320, 28724, 377568, 5079336, 69574220, 962953968, 13444055224, 188823193784, 2664428266336, 37723583696052, 535447018219820, 7614062720813020, 108418400331562370, 1545312836738950000, 22041527502028940000 ]
[ "nonn" ]
A072010
[ 1, 2, 1, 4, 7, 2, 5, 8, 1, 14, 9, 4, 15, 10, 7, 16, 19, 2, 17, 28, 5, 18, 21, 8, 49, 30, 1, 20, 31, 14, 29, 32, 9, 38, 35, 4, 39, 34, 15, 56, 43, 10, 41, 36, 7, 42, 45, 16, 25, 98, 19, 60, 55, 2, 63, 40, ...
[ "nonn", "mult", "nice" ]
A383481
[ 1, 1, 3, 10, 39, 156, 630, 2556, 10431, 42823, 176748, 732810, 3049722, 12732188, 53299284, 223645200, 940355391, 3961092906, 16712516565, 70615352330, 298761296064, 1265504676810, 5366250376710, 22777466596560, 96768003904650, 411451657313931, 1750809473690436, ...
[ "nonn" ]
A247117
[ 1, 1, 1, 1, 1, 8, 17, 28, 41, 56, 144, 317, 609, 1060, 1716, 3324, 6713, 13188, 24624, 43620, 80464, 153645, 296025, 562097, 1037921, 1920661, 3600832, 6820873, 12920804, 24211457, 45173688, 84493668, 158848825, 299451277, 562923960, 1055117520, ...
[ "nonn", "easy" ]
A103130
[ 2, 5, 6, 2, 2, 0, 0, 9, 4, 4, 7, 4, 1, 3, 6, 1, 3, 4, 7, 0, 1, 7, 9, 4, 1, 6, 2, 0, 9, 8, 6, 7, 3, 8, 8, 2, 9, 8, 6, 4, 4, 8, 8, 6, 5, 0, 4, 8, 5, 6, 8, 6, 9, 1, 2, 8, 1, 8, 1, 8, 6, 9, 6, 1...
[ "nonn", "cons" ]
A070463
[ 0, 1, 4, 9, 16, 25, 36, 8, 23, 40, 18, 39, 21, 5, 32, 20, 10, 2, 37, 33, 31, 31, 33, 37, 2, 10, 20, 32, 5, 21, 39, 18, 40, 23, 8, 36, 25, 16, 9, 4, 1, 0, 1, 4, 9, 16, 25, 36, 8, 23, 40, 18, 39, 21, 5, 32, ...
[ "nonn", "easy" ]
A099208
[ 1, 2, 3, 3, 5, 6, 7, 5, 5, 10, 11, 9, 13, 14, 15, 7, 17, 10, 19, 15, 21, 22, 23, 15, 7, 26, 7, 21, 29, 30, 31, 11, 33, 34, 35, 15, 37, 38, 39, 25, 41, 42, 43, 33, 25, 46, 47, 21, 11, 14, 51, 39, 53, 14, 55, ...
[ "nonn", "mult", "changed" ]
A102135
[ 4, 6, 7, 19, 46, 613, 1146, 1500, 1982, 2590, 7278, 13714, 15929 ]
[ "nonn", "more", "base" ]
A212900
[ 0, 4, 28, 122, 340, 786, 1558, 2814, 4690, 7404, 11130, 16140, 22652, 30992, 41416, 54310, 69968, 88830, 111234, 137674, 168526, 204344, 245542, 292728, 346360, 407100, 475444, 552114, 637644, 732810, 838190, 954614, 1082698 ]
[ "nonn", "easy" ]
A231366
[ 2, 0, 1, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 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...
[ "nonn" ]
A278610
[ 0, 0, 0, 0, 0, 0, 1, 395, 395, 1, 56, 16224, 53360, 16224, 56, 728, 354696, 5985658, 5985658, 354696, 728, 5328, 6208804, 442089480, 1608427228, 442089480, 6208804, 5328, 27876, 94510277, 23974522382, 371601597959, 371601597959, 23974522382 ]
[ "nonn", "tabl" ]
A127338
[ 160, 195, 233, 271, 311, 353, 399, 443, 491, 539, 583, 631, 677, 725, 779, 833, 883, 931, 979, 1025, 1081, 1139, 1197, 1253, 1313, 1367, 1423, 1483, 1543, 1607, 1673, 1727, 1787, 1843, 1901, 1951, 2011, 2077, 2141, 2203, 2263, 2323, ...
[ "nonn" ]