id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A299047
[ 3, 4, 11, 40, 79, 480, 1542, 5317, 22571, 80346, 297210, 1158279, 4266972, 16017750, 60820802, 227040843, 853970252, 3218688708, 12071422085, 45398669314, 170767134707, 641450486645, 2411776993812, 9067212243589, 34076147843251 ]
[ "nonn" ]
A243926
[ 1, -2, 2, -1, 3, -2, 0, 4, -1, 1, 5, -6, -2, 1, 4, 6, -5, -4, -3, -1, 3, 3, 7, 7, -10, -3, -4, -6, -2, 2, 2, 8, 5, 10, 8, -7, -5, -4, -3, -1, 1, 5, 7, 5, 13, 7, 13, 9, -14, -14, -10, -6, -10, -4, -6, -2, ...
[ "easy", "tabf", "frac", "sign" ]
A376790
[ 0, 0, 1, 0, 9, 8, 0, 36, 135, 44, 0, 100, 864, 1458, 208, 0, 225, 3500, 15552, 14094, 912, 0, 441, 10800, 95000, 258048, 130491, 3840, 0, 784, 27783, 413100, 2425000, 4174848, 1187541, 15808 ]
[ "nonn", "tabl" ]
A257977
[ 1, 1, 1, 2, 1, 2, 1, 2, 3, 2, 1, 4, 1, 2, 3, 4, 1, 4, 1, 4, 3, 2, 1, 6, 5, 2, 3, 4, 1, 6, 1, 4, 3, 2, 5, 6, 1, 2, 3, 8, 1, 6, 1, 4, 7, 2, 1, 8, 7, 6, 3, 4, 1, 6, 5, 8, 3, 2, 1, 10, 1, 2, 9, ...
[ "nonn" ]
A170918
[ 1, -1, 7, -14, 54, -1112, 6574, -48488, 1143731, -14813072, 16252211, -3500388967, 125127865048, -158589803803, 33133618166566, -30512906279732, 4378989933312913, -330336346477870340, 1981395373839282200, -251479418962683760000, 79893293800974940000, -3.1493610597939644e+22...
[ "sign", "frac" ]
A196080
[ 2, 2, 3, 3, 37, 37, 1111, 1111, 6913, 6913, 799933, 799933, 739138093, 739138093, 44841044309, 44841044309, 32285551902481, 32285551902481, 9879378882159188, 9879378882159188, 1251387991740163600 ]
[ "nonn", "frac" ]
A153984
[ 1, 1, 1, 1, 1, 2, 3, 2, 6, 7, 11, 23, 54, 60, 238, 445, 901, 2706, 9076, 14494, 80321, 212453, 613603, 2681494, 12847248, 29154102, 230660451, 862931932, 3568146072, 22105400251, 150948368093, 488469303948, 5510650176739, 29467826406958 ]
[ "nonn" ]
A314685
[ 1, 5, 9, 13, 17, 22, 27, 31, 35, 39, 44, 49, 53, 57, 61, 66, 71, 75, 79, 83, 88, 93, 97, 101, 105, 110, 115, 119, 123, 127, 132, 137, 141, 145, 149, 154, 159, 163, 167, 171, 176, 181, 185, 189, 193, 198, 203, 207, 211, ...
[ "nonn" ]
A154933
[ 3, 11, 17, 35, 37, 47, 49, 59, 67, 77, 99, 123, 127, 133, 139, 155, 161, 169, 173, 187, 195, 213, 225, 231, 237, 241, 245, 247, 253, 275, 279, 297, 319, 325, 367, 373, 381, 383, 385, 399, 411, 425, 431, 469, 507, 511, 523, ...
[ "nonn" ]
A345530
[ 2, 2, 2, 4, 2, 2, 6, 6, 2, 2, 12, 10, 6, 2, 2, 20, 22, 12, 6, 2, 2, 40, 38, 28, 12, 6, 2, 2, 74, 82, 48, 30, 12, 6, 2, 2, 148, 154, 106, 52, 30, 12, 6, 2, 2, 284, 318, 198, 118, 54, 30, 12, 6, 2, 2, 568, ...
[ "nonn", "tabl" ]
A046151
[ 0, 1, 5, 7, 19, 11, 41, 31, 53, 39, 109, 47, 155, 83, 119, 127, 271, 107, 341, 159, 251, 219, 505, 191, 499, 311, 485, 335, 811, 239, 929, 511, 659, 543, 839, 431, 1331, 683, 935, 639, 1639, 503, 1805, 879, 1079, 1011, 2161,...
[ "nonn" ]
A200644
[ 1, 5, 1, 6, 4, 9, 6, 2, 8, 2, 9, 2, 4, 1, 2, 3, 7, 5, 6, 0, 1, 2, 7, 2, 8, 3, 5, 2, 0, 3, 1, 5, 7, 9, 9, 8, 6, 5, 2, 6, 3, 3, 7, 8, 1, 3, 5, 1, 5, 9, 5, 1, 0, 2, 4, 6, 2, 3, 9, 5, 4, 7, 5, 8...
[ "nonn", "cons" ]
A388046
[ 1, 11, 181, 3303, 63241, 1244979, 24957661, 506750351, 10387323409, 214483106715, 4454628476805, 92958547262711, 1947496920813081, 40936074806404160, 862915438951374700, 18234593016462780000, 386148722535444640000, 8.192809998140199e+21 ]
[ "nonn" ]
A201811
[ 1, 1, 3, 1, 5, 7, 1, 7, 13, 19, 1, 9, 19, 61, 51, 1, 11, 25, 151, 221, 141, 1, 13, 31, 313, 631, 1001, 393, 1, 15, 37, 571, 1401, 4621, 4145, 1107, 1, 17, 43, 949, 2651, 15681, 23857, 18733, 3139, 1, 19, 49, 1471, 4501...
[ "nonn", "tabl" ]
A260084
[ 0, 2, 6, 10, 14, 18, 22, 30, 34, 42, 46, 54, 58, 62, 70, 78, 82, 90, 94, 102, 106, 114, 118, 122, 130, 138, 142, 146, 154, 158, 162, 166, 174, 182, 190, 194, 210, 214, 222, 230, 238, 242, 250, 254, 270, 274, 278, 286, 29...
[ "nonn" ]
A135233
[ 1, 2, 1, 5, 3, 1, 14, 7, 5, 1, 41, 15, 17, 7, 1, 122, 31, 49, 31, 9, 1, 365, 63, 129, 111, 49, 11, 1, 1094, 127, 321, 351, 209, 71, 13, 1, 3281, 255, 769, 1023, 769, 351, 97, 15, 1, 9842, 511, 1793, 2815, 2561, 1471,...
[ "nonn", "tabl" ]
A305587
[ 1, 8, 95, 2451, 126484, 13941521, 3190446497, 1517186100046, 1505396101042225 ]
[ "nonn" ]
A242560
[ 2, 1, 2, 2, 4, 3, 6, 4, 6, 5, 10, 6, 12, 7, 10, 8, 16, 9, 18, 10, 14, 11, 22, 12, 24, 13, 18, 14, 28, 15, 30, 16, 22, 17, 28, 18, 36, 19, 26, 20, 40, 21, 42, 22, 30, 23, 46, 24, 42, 25, 34, 26, 52, 27, 44, ...
[ "nonn" ]
A234769
[ 56, 240, 240, 916, 1624, 916, 3800, 9404, 9404, 3800, 14828, 64180, 71280, 64180, 14828, 60552, 398696, 760072, 760072, 398696, 60552, 239044, 2678704, 6340684, 14119456, 6340684, 2678704, 239044, 967784, 17095452, 65760368, 197124696 ]
[ "nonn", "tabl" ]
A051463
[ 1, 1, 37, 229, 721, 2152, 5083, 10167, 19637, 34575, 56511, 90552, 138093, 201909, 291549, 408225, 556325, 751696, 994583, 1291355, 1666301, 2117627, 2654051, 3310736, 4082489, 4980745, 6054261, 7292797, 8710873, 10373848, 12264499, 14400799, 16868005,...
[ "nonn", "easy", "nice" ]
A090936
[ 1, 1, 5, 5, 23, 36, 106, 180 ]
[ "nonn" ]
A291311
[ 1, 2, 3, 5, 9, 16, 27, 45, 75, 125, 207, 341, 560, 918, 1502, 2453, 4000, 6515, 10601, 17235, 28000, 45461, 73773, 119665, 194033, 314519, 509685, 825768, 1337612, 2166360, 3508085, 5680122, 9196043, 14886981, 24097953, 39005540, 63131935, 10...
[ "nonn", "easy" ]
A239164
[ 0, 1, 12, 1240, 1655004, 32796849930, 10743023668660276, 6.259074797458629e+22, 6.82698726403571e+30, 1.4471606032117457e+40, 6.134276075898977e+50 ]
[ "nonn" ]
A103423
[ 1, 1, 0, 1, -1, -1, 10, -29, -6, 19, 57, -325, 287, 423, -19, 12813, -120862, 291323, 44088, -355855, -227362, 1286795, -18146731, 79841909, -85635661, -123338281, 64989065, 145991969, 13131073916, -258931801371, 1776194531596, -4499161007143, 48942841...
[ "sign", "tabl" ]
A275755
[ 1, 1, 2, 6, 19, 65, 234, 873, 3346, 13099, 52154, 210541, 859768, 3545263, 14741148, 61736903, 260192880, 1102704585, 4696416190, 20090502706, 86285786519, 371917832707, 1608317086940, 6975728777332, 30338392601498, 132277349730004, 578075052215714, 253171060946...
[ "nonn" ]
A334639
[ 2, 5, 26, 159, 1447, 10274, 45206, 280278, 2298281, 2757938, 22615092, 56537732, 118729239, 1080436075, 5942398413, 18421435081, 22105722098, 179056348994, 859470475172, 1804887997862, 4331731194869, 40718273231769, 378679941055453, 1173907817271905, 6573883776722668,...
[ "base", "nonn" ]
A030454
[ 1, 0, 2, 2, 1, 3, 2, 5, 2, 3, 5, 6, 4, 2, 7, 6, 3, 3, 8, 5, 7, 6, 9, 6, 8, 6, 12, 5, 11, 11, 9, 15, 12, 8, 14, 9, 10, 12, 10, 14, 13, 15, 15, 13, 19, 16, 11, 19, 13, 17, 16, 19, 16, 17, 20, 17, 15, 24, ...
[ "nonn", "base" ]
A129385
[ 2, 3, 2, 1, -1, 1, 2, 3, -1, 1, 2, 3, -1, 1, 2, 7, -1, 3, 2, 3, -1, 1, 2, 11, -1, 1, 2, 19, -1, 3, 2, 3, -1, 1, 2, 3, -1, 1, 2, 7, -1, 3, 2, 7, -1, 1, 2, 3, -1, 3, 2, 7, -1, 3, 2, 3, -1, 1, 2, 3, ...
[ "sign" ]
A098339
[ 1, 3, 5, -9, -111, -477, -1051, 1095, 21793, 106947, 276165, -71145, -4712655, -26071965, -76452315, -29748249, 1045547073, 6564746115, 21507513221, 19922192439, -230801512751, -1674387214173, -6072718662555 ]
[ "easy", "sign" ]
A102326
[ 10181, 14051, 18979, 25253, 57173, 58013, 60101, 62497, 65951, 66541, 69457, 75931, 82241, 82261, 84229, 87721, 88339, 88819, 91499, 92333, 95917, 99523, 105557, 107747, 109229, 118493, 118927, 137339, 146291, 155399, 157019 ]
[ "nonn" ]
A252180
[ 40, 369, 1872, 6361, 17092, 39109, 79672, 148673, 259248, 428045, 675436, 1027273, 1513112, 2169245, 3037220, 4166229, 5610160, 7435141, 9709732, 12516761, 15944392, 20095193, 25074784, 31012613, 38034620, 46293613, 55944576, 67167485 ]
[ "nonn" ]
A293696
[ 2, 3, 5, 12, 11, 24, 17, 36, 59, 88, 119, 37, 78, 121, 168, 221, 280, 341, 67, 138, 211, 290, 373, 462, 559, 660, 763, 870, 979, 1092, 1219, 131, 268, 407, 556, 707, 864, 1027, 1194, 1367, 1546, 1727, 1918, 2111, 2308, 2507, ...
[ "nonn", "tabf" ]
A277749
[ 2, 1, 4, 3, 2, 3, 4, 1, 6, 5, 4, 7, 10, 3, 8, 5, 2, 5, 8, 3, 10, 7, 4, 5, 6, 1, 8, 7, 6, 11, 16, 5, 14, 9, 4, 11, 18, 7, 24, 17, 10, 13, 16, 3, 14, 11, 8, 13, 18, 5, 12, 7, 2, 7, 12, 5, 18, 13, 8, 1...
[ "nonn", "frac" ]
A242539
[ 1584, 1589, 1595, 1600, 1606, 1612, 1617, 1623, 1628, 1634, 1640, 1645, 1651, 1656, 1662, 1668, 1673, 1679, 1684, 1690, 1696, 1702, 1708, 1713, 1719, 1724, 1730, 1736, 1741, 1747, 1752, 1758, 1764, 1769, 1775, 1780, 1786, 1792, 1797, 1804...
[ "easy", "nonn" ]
A109012
[ 9, 1, 1, 3, 1, 1, 3, 1, 1, 9, 1, 1, 3, 1, 1, 3, 1, 1, 9, 1, 1, 3, 1, 1, 3, 1, 1, 9, 1, 1, 3, 1, 1, 3, 1, 1, 9, 1, 1, 3, 1, 1, 3, 1, 1, 9, 1, 1, 3, 1, 1, 3, 1, 1, 9, 1, 1, 3, 1, 1, 3, 1, 1, 9...
[ "nonn", "easy", "mult" ]
A048286
[ 1, 2, 10, 80, 874, 12092, 202384, 3973580, 89515690, 2275453700, 64418414380, 2009835207800, 68512342137040, 2533368817192280, 100991942945221660, 4317627768285138000, 197054129197204180000, 9.562339765515442e+21 ]
[ "nonn" ]
A189086
[ 2, 3, 5, 8, 9, 13, 14, 15, 16, 22, 23, 24, 25, 26, 27, 28, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 65, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 87, 112, 116, 117, 118, ...
[ "nonn" ]
A099347
[ 0, 7, 59, 674, 6155, 62415, 625462, 6248121, 62501388, 624987488, 6249989678, 62499875079 ]
[ "base", "nonn", "more" ]
A197457
[ 1, 1, 1, 2, 7, 2, 3, 10, 10, 3, 5, 23, 31, 23, 5, 8, 57, 84, 84, 57, 8, 13, 122, 290, 583, 290, 122, 13, 21, 275, 923, 2233, 2233, 923, 275, 21, 34, 623, 2887, 10758, 15825, 10758, 2887, 623, 34, 55, 1394, 9216, 53337, ...
[ "nonn", "tabl" ]
A216949
[ 1, 1, 3, 11, 45, 197, 895, 4143, 19353, 90793, 426811, 2008307, 9454021, 44513581, 209609143, 987068631, 4648293425, 21889908177, 103085198195, 485455690843, 2286142563933, 10766070546453, 50700381312751, 238762035742207, 1124396126301641, 5295090872259961 ]
[ "nonn", "easy" ]
A066968
[ 15, 6552, 5026560, 15590400, 4561108992, 244729774080, 15293220913152, 6027885936640, 2292288470384640, 143113842220597250, 2278611404728565800, 39351244081172840000, 3.5159531922137285e+21, 2.5514130378951387e+21 ]
[ "easy", "frac", "nonn" ]
A150260
[ 1, 2, 6, 22, 87, 351, 1453, 6164, 26598, 116082, 511162, 2268857, 10139092, 45562967, 205713249, 932569833, 4242893713, 19365253835, 88635249152, 406706356349, 1870413057392, 8619546163502, 39796241572490, 184051950457152, 852546973495396, 3954779801488103, 183698...
[ "nonn", "walk" ]
A210758
[ 101, 103, 107, 109, 11, 113, 127, 13, 131, 137, 139, 149, 151, 157, 163, 167, 17, 173, 179, 181, 19, 191, 193, 197, 199, 2, 211, 223, 227, 229, 23, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 29, 293, 3, 307, 31, ...
[ "nonn", "base", "fini", "full" ]
A283307
[ 0, -1, 0, 0, 1, -1, -1, 1, 1, -2, 0, 0, 2, -2, -2, -1, -1, 1, 1, 2, 2, -2, -2, 2, 2, -3, 0, 0, 3, -3, -3, -1, -1, 1, 1, 3, 3, -3, -3, -2, -2, 2, 2, 3, 3, -4, 0, 0, 4, -4, -4, -1, -1, 1, 1, 4, 4, -3, -...
[ "sign" ]
A278138
[ 3, 5, 17, 197, 1427, 1667, 2087, 4157, 4217, 8387, 8597, 10037, 11117, 11717, 15287, 17417, 20147, 25847, 29207, 33347, 33827, 34847, 35897, 36527, 47657, 56237, 57527, 60257, 63197, 63587, 69497, 75167, 77477, 89657, 93887, 96797, 99347, 995...
[ "nonn", "easy" ]
A117049
[ 23, 89, 199, 353, 1409, 1783, 2663, 3169, 3719, 4951, 6359, 7129, 13751, 18503, 19801, 21143, 26951, 28513, 30119, 31769, 35201, 55001, 57223, 64153, 68993, 71479, 79201, 92951, 104743, 117239, 120473, 130439, 137303, 162713 ]
[ "nonn" ]
A008347
[ 0, 2, 1, 4, 3, 8, 5, 12, 7, 16, 13, 18, 19, 22, 21, 26, 27, 32, 29, 38, 33, 40, 39, 44, 45, 52, 49, 54, 53, 56, 57, 70, 61, 76, 63, 86, 65, 92, 71, 96, 77, 102, 79, 112, 81, 116, 83, 128, 95, 132, 97, 136, 103, ...
[ "nonn" ]
A007348
[ 3, 17, 29, 31, 43, 61, 67, 71, 83, 97, 107, 109, 113, 149, 151, 163, 181, 191, 193, 199, 227, 229, 233, 257, 269, 283, 307, 311, 313, 337, 347, 359, 389, 431, 433, 439, 443, 461, 467, 479, 509, 523, 541, 563, 577, 587, 593, ...
[ "nonn" ]
A196565
[ 3, 2, 6, 6, 3, 4, 2, 5, 9, 9, 7, 8, 2, 8, 0, 9, 8, 2, 4, 0, 4, 7, 9, 2, 9, 6, 3, 2, 2, 5, 5, 0, 7, 0, 9, 8, 6, 2, 1, 2, 3, 6, 6, 8, 6, 5, 2, 3, 1, 4, 9, 9, 9, 1, 0, 6, 7, 0, 0, 2, 2, 9, 5, 8...
[ "nonn", "cons" ]
A162478
[ 1, 2, 14, 88, 566, 3722, 24856, 167868, 1143462, 7841434, 54065574, 374437404, 2602879712, 18150990238, 126918338116, 889551010728, 6247598686710, 43958881741086, 309801915943318, 2186512103767096, 15452093394793006 ]
[ "easy", "nonn" ]
A191345
[ 728, 756, 2457, 5824, 6048, 9288, 14364, 15561, 19656, 19684, 20412, 25327, 25389, 39816, 46592, 48384, 66339, 70336, 74304, 76167, 76895, 82251, 91000, 94500, 114912, 119574, 124488, 150444, 152208, 157248, 157472, 163296, 202616, 203112, 240002, ...
[ "nonn" ]
A341286
[ 0, 2435, 3403, 5625, 8781, 11140, 22664, 23325, 32908, 33346, 34822, 41332, 58555, 99180, 103925, 109272, 133118, 136386, 145263, 170740, 180105, 182142, 194261, 207459, 208813, 228224, 249945, 251991, 266080, 305840, 341539, 351824, 359720, 372287, ...
[ "base", "nonn", "less" ]
A245211
[ 0, 1, 1, 5, 1, 11, 1, 17, 7, 15, 1, 47, 1, 19, 17, 49, 1, 62, 1, 67, 21, 27, 1, 151, 11, 31, 34, 87, 1, 145, 1, 129, 29, 39, 25, 254, 1, 43, 33, 219, 1, 189, 1, 127, 104, 51, 1, 423, 15, 130, 41, 147, 1, 278, ...
[ "nonn" ]
A043449
[ 7, 15, 23, 31, 39, 47, 55, 56, 57, 58, 59, 60, 61, 62, 71, 79, 87, 95, 103, 111, 119, 120, 121, 122, 123, 124, 125, 126, 135, 143, 151, 159, 167, 175, 183, 184, 185, 186, 187, 188, 189, 190, 199, 207, 215, 223, 231, 239, ...
[ "nonn", "base" ]
A100385
[ 2, 3, 13, 13, 491, 1851, 12721, 12721, 109453, 586951, 120797465, 624141002, 4044619541, 267793490438, 315400191511, 1285600699441 ]
[ "nonn", "more" ]
A184528
[ 1, 2, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 35, 36, 37, 38, 39, 41, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, ...
[ "nonn" ]
A318480
[ 3, 997, 3301, 9631, 62378131 ]
[ "nonn", "more" ]
A198585
[ 5, 5, 5, 85, 5, 341, 85, 5, 341, 85, 5, 341, 85, 5461, 5, 341, 21845, 85, 5461, 5, 341, 21845, 85, 5461, 5, 341, 21845, 85, 5461, 349525, 5, 341, 21845, 1398101, 85, 5461, 349525, 5, 341, 21845, 1398101, 85, 5461, 349525, 5, 3...
[ "nonn" ]
A220376
[ 1, 15, 2, 17, 37, 3, 19, 39, 59, 4, 21, 41, 61, 81, 5, 23, 43, 63, 83, 103, 6, 25, 45, 65, 85, 105, 125, 7, 27, 47, 67, 87, 107, 127, 147, 8, 9, 29, 49, 69, 89, 109, 129, 149, 169, 10, 195, 12, 13, 14, 33, 1, 16,...
[ "nonn", "base", "look" ]
A307150
[ 6, 3, 2, 24, 30, 1, 42, 12, 54, 15, 66, 8, 78, 21, 10, 96, 102, 27, 114, 120, 14, 33, 138, 4, 150, 39, 18, 168, 174, 5, 186, 48, 22, 51, 210, 216, 222, 57, 26, 60, 246, 7, 258, 264, 270, 69, 282, 32, 294, 75, 34, 3...
[ "nonn" ]
A361661
[ 0, 24, 752, 7600, 71520, 592192 ]
[ "nonn", "more" ]
A122140
[ 1, 25, 537, 661, 5199, 113253, 240621, 5337048977, 17434578479, 34216676921, 1991831965911, 4495321247369, 22567781434431, 37328883555791, 110447613624133, 188368390470877, 324587968952249, 1983705516917661 ]
[ "nonn", "more" ]
A270132
[ 3, 1, 39, -44, 121, -121, 225, -225, 361, -361, 529, -529, 729, -729, 961, -961, 1225, -1225, 1521, -1521, 1849, -1849, 2209, -2209, 2601, -2601, 3025, -3025, 3481, -3481, 3969, -3969, 4489, -4489, 5041, -5041, 5625, -5625, 6241, -6241, ...
[ "sign", "easy" ]
A022813
[ 1, 1, 5, 15, 45, 110, 271, 599, 1309, 2690, 5436, 10545, 20148, 37341, 68223, 121878, 214846, 371993, 636570, 1073325, 1790721, 2950922, 4816603, 7778937, 12455988, 19761148, 31108121, 48572686, 75307513, 115909727, 177255526, 269294119, 406708721, 6...
[ "nonn" ]
A202962
[ 2, 6, 4, 20, 28, 2, 36, 108, 82, 0, 62, 268, 414, 200, 6, 90, 544, 1562, 1936, 524, 12, 128, 972, 4048, 9884, 9872, 1724, 6, 168, 1576, 9010, 33736, 66208, 47732, 5908, 0, 218, 2392, 17296, 90604, 289536, 447528, 229714, 18340, ...
[ "nonn", "tabl" ]
A003015
[ 1, 120, 210, 1540, 3003, 7140, 11628, 24310, 6.12181827433047e+28 ]
[ "nonn" ]
A078711
[ 1, 2, 3, 1, 2, 1, 1, 2, 3, 1, 2, 2, 1, 2, 3, 1, 2, 1, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 1, 1, 2, 3, 1, 2, 2, 1, 2, 3, 1, 2, 1, 1, 2, 3, 1, 2, 1, 1, 2, 3, 1, 2, 1, 1, 2, 3, 1, 2, 2, 1, 2, 3, 1...
[ "nonn" ]
A284453
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[ "nonn" ]
A143715
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[ "easy", "nonn" ]
A192689
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[ "nonn", "base" ]
A325572
[ 2, 4, 6, 8, 9, 10, 12, 14, 16, 18, 20, 21, 22, 24, 26, 28, 30, 32, 33, 34, 35, 36, 38, 40, 42, 44, 45, 46, 48, 49, 50, 52, 54, 56, 58, 60, 62, 64, 65, 66, 68, 70, 72, 74, 75, 76, 78, 80, 82, 84, 86, 88, 90, 92,...
[ "nonn" ]
A168925
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[ "nonn" ]
A292409
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[ "nonn", "more" ]
A168737
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[ "nonn", "easy" ]
A380673
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[ "nonn" ]
A310085
[ 1, 3, 6, 10, 16, 24, 23, 22, 25, 30, 40, 44, 50, 53, 48, 51, 54, 60, 74, 80, 79, 76, 73, 80, 86, 94, 112, 111, 100, 101, 104, 112, 118, 128, 143, 134, 125, 134, 138, 142, 152, 161, 166, 157, 154, 168, 170, 176, 187, 18...
[ "nonn" ]
A259111
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[ "nonn" ]
A374424
[ 12, 90, 1036, 6834, 4062500, 160426515, 2056364173794800 ]
[ "nonn", "hard", "more" ]
A017868
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[ "nonn", "easy" ]
A269141
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[ "nonn" ]
A006697
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[ "nonn", "easy", "nice" ]
A187153
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[ "sign" ]
A390069
[ 0, 0, 6, 4, 6, 9, 9, 3, 7, 4, 5, 1, 3, 7, 0, 4, 7, 0, 9, 5, 4, 1, 7, 7, 8, 8, 3, 8, 5, 9, 6, 4, 5, 1, 3, 5, 7, 6, 5, 9, 0, 2, 4, 1, 5, 1, 4, 4, 0, 4, 4, 7, 1, 9, 5, 4, 3, 3, 0, 3, 7, 3, 6, 0...
[ "nonn", "cons" ]
A307991
[ 1, 5, 55, 89 ]
[ "nonn", "bref", "fini", "full" ]
A170667
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[ "nonn" ]
A351714
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[ "nonn", "base" ]
A027192
[ 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 8, 8, 10, 11, 14, 15, 19, 21, 26, 29, 35, 39, 48, 53, 63, 71, 84, 94, 111, 124, 145, 163, 189, 212, 247, 276, 318, 35...
[ "nonn" ]
A073668
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[ "cons", "nonn" ]
A207218
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[ "nonn" ]
A150379
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[ "nonn", "walk" ]
A093691
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[ "nonn" ]
A210139
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[ "nonn" ]
A095306
[ 1, 2, 5, 12, 19, 107, 117, 159, 217, 517, 868, 1412, 1636, 4051, 5965, 9128 ]
[ "more", "nonn", "base" ]
A264155
[ 1, 24, 40, 384, 486, 6144, 640, 18688, 39366, 91136, 10240, 23482368, 958464, 52612659, 163840, 375717888, 9568256, 1502871552, 2621440, 353370112, 186646528 ]
[ "nonn", "more" ]
A201764
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[ "nonn", "cons" ]
A022843
[ 0, 2, 5, 8, 10, 13, 16, 19, 21, 24, 27, 29, 32, 35, 38, 40, 43, 46, 48, 51, 54, 57, 59, 62, 65, 67, 70, 73, 76, 78, 81, 84, 86, 89, 92, 95, 97, 100, 103, 106, 108, 111, 114, 116, 119, 122, 125, 127, 130, 133, 135, ...
[ "nonn" ]
A009811
[ 0, 2, -4, -42, -456, 10154, 1263668, 74121726, 1582556016, -396499390126, -87145255604884, -10528569148387290, -379538283994219600, 201132350259244100000, 5.282749921127767e+22 ]
[ "sign" ]
A248945
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[ "nonn", "easy", "cons" ]
A200015
[ 1, 6, 9, 0, 7, 7, 9, 7, 3, 8, 9, 6, 9, 8, 1, 5, 3, 3, 4, 9, 5, 7, 5, 0, 4, 8, 5, 7, 5, 5, 8, 8, 0, 9, 5, 4, 3, 4, 2, 1, 3, 2, 4, 1, 6, 3, 9, 0, 6, 5, 4, 5, 2, 8, 5, 4, 4, 5, 1, 8, 3, 8, 5, 4...
[ "nonn", "cons" ]
A132466
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[ "nonn" ]