Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A229581
[ 2, 28, 264, 2160, 16416, 119232, 839808, 5785344, 39191040, 262020096, 1733363712, 11367641088, 74010599424, 478892113920, 3082323787776, 19747769352192, 126009575866368, 801195213717504, 5077997833420800, 32092946307219456 ]
[ "nonn" ]
A224305
[ 22, 218, 1586, 11361, 82700, 615481, 4634768, 35003328, 264487714, 1997888432, 15087449584, 113921725004, 860155842566, 6494472790364, 49035576285772, 370236844834368, 2795429838028120, 21106576528056696, 159362840727871740 ]
[ "nonn" ]
A127128
[ 1, 2, 9, 54, 412, 3834, 42131, 533558, 7645065, 122177706, 2153221318, 41464853266, 865908079369, 19484990264956, 469910189792853, 12089047867952058, 330423404118496000, 9561012695542004000 ]
[ "nonn" ]
A130735
[ 5, 11, 2591, 4127, 10427, 11831, 15887, 28547, 56921, 60257, 61331, 62927, 65717, 70487, 74411, 77417, 77687, 81281, 87221, 100391, 104087, 115301, 116687, 121367, 124181, 129287, 148691, 149111, 158141, 173741, 199151, 208961 ]
[ "nonn" ]
A019219
[ 0, 2, 0, 4, 0, 18, 18, 100, 188, 568, 1062, 2922, 6026, 16486, 38740, 105022, 257446, 683816, 1707404, 4469032, 11326342, 29594224, 76051966, 199150692, 516590984, 1355423942, 3538533686, 9304610822, 24412881090 ]
[ "nonn", "more" ]
A169408
[ 1, 11, 110, 1100, 11000, 110000, 1100000, 11000000, 110000000, 1100000000, 11000000000, 110000000000, 1100000000000, 11000000000000, 110000000000000, 1100000000000000, 11000000000000000, 110000000000000000 ]
[ "nonn" ]
A315232
[ 1, 6, 10, 14, 22, 24, 32, 36, 44, 48, 52, 54, 68, 66, 74, 76, 90, 84, 96, 96, 112, 108, 116, 114, 136, 126, 138, 136, 158, 144, 160, 156, 180, 168, 180, 174, 204, 186, 202, 196, 226, 204, 224, 216, 248, 228, 244, 234, 27...
[ "nonn" ]
A270262
[ 0, 601368, 168922341960, 754152642763392, 1217128601064428000, 328713317385409800000, 4.4017120053171675e+22, 2.5627317658018855e+24, 9.62191475698703e+25 ]
[ "nonn" ]
A308685
[ 1, 7, 19, 37, 61, 91, 127, 187, 241, 301, 367, 439, 517, 613, 721, 823, 931, 1045, 1165, 1303, 1459, 1615, 1765, 1921, 2083, 2263, 2455, 2653, 2857, 3055, 3259, 3481, 3697, 3949, 4195, 4447, 4693, 4957, 5239, 5527, 5815, 6109, 6409,...
[ "nonn" ]
A004317
[ 1, 24, 325, 3276, 27405, 201376, 1344904, 8347680, 48903492, 273438880, 1471442973, 7669339132, 38910617655, 192928249296, 937845656300, 4481381406320, 21094923659355, 97997533741800, 449972009097765, 2044802197953900, 9206478467454344, 41107996877935680 ]
[ "nonn", "easy" ]
A110554
[ 56, 285, 954, 2366, 4711, 7936, 11712, 15448, 18450, 20155, 20329, 19078, 16746, 13780, 10644, 7712, 5235, 3325, 1970, 1081, 544, 247, 99, 33, 8, 1 ]
[ "fini", "full", "nonn" ]
A071891
[ 1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 3, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 6, 1, 1, 3, 1, 2, 3, 1, 1, 2, 1, 3, 2, 1, 1, 1, 2, 1, 1...
[ "nonn" ]
A137089
[ 3, 6, 26, 27, 63, 277, 963, 7923, 27923, 62637, 79327, 263937, 269777, 626637, 962637, 962963, 969223, 996363, 2639937, 2696923, 2696973, 2779736, 7932637, 9996363, 9996963, 26396363, 27639236, 62633676, 79326376, 79332637, 269673376, 277979736, 632239...
[ "base", "nonn" ]
A016897
[ 4, 9, 14, 19, 24, 29, 34, 39, 44, 49, 54, 59, 64, 69, 74, 79, 84, 89, 94, 99, 104, 109, 114, 119, 124, 129, 134, 139, 144, 149, 154, 159, 164, 169, 174, 179, 184, 189, 194, 199, 204, 209, 214, 219, 224, 229, 234, 239, 24...
[ "nonn", "easy" ]
A111239
[ 2, 3, 5, 13, 7, 53, 107, 181, 11, 23, 59, 151, 29, 19, 233, 31, 61, 197, 17, 199, 41, 193, 97, 109, 37, 281, 47, 71, 131, 79, 149, 103, 241, 137, 191, 239, 113, 163, 43, 653, 617, 853, 673, 89, 937, 67, 571, 599, 751, ...
[ "nonn" ]
A243676
[ 1, 1, 9, 113, 1649, 26225, 440985, 7711009, 138792929, 2554489505, 47854963881, 909495557393, 17492724268369, 339846019830673, 6659441891042105, 131467175048437570, 2612224160086782000, 52201209713045790000, 1.0484509428607666e+21, 2.1153308764742206e+22, 4.285209891672827e+2...
[ "nonn" ]
A150354
[ 1, 2, 7, 23, 91, 347, 1442, 5894, 25196, 107021, 466509, 2028918, 8972896, 39647390, 177288585, 792396980, 3573835281, 16114444215, 73173843517, 332254382249, 1517055524306, 6927555261028, 31775583635514, 145782860436558, 671267116907859, 3091826926467683, 1428364...
[ "nonn", "walk" ]
A229503
[ 0, 6, 480, 50112, 9854784, 4032737280, 3594819388032, 7178082866740800, 32598674667546520000, 3.401011141146777e+23, 8.206049057729135e+27 ]
[ "nonn" ]
A190340
[ 4, 12, 72, 720, 10800, 259200, 10368000, 673920000, 70087680000, 11774730240000, 3214501355520000, 1420809599139840000, 1.0144580537858458e+21, 1.1716990521226518e+24, 2.191077227469359e+27 ]
[ "nonn" ]
A328342
[ 0, 0, 1, 0, 1, 2, 0, 1, 1, -2, 0, 1, 2, 7, 0, 0, -3, 0, 1, 4, 0, 1, -4, 0, 0, -2, 16, 0, 2, 9, 0, 0, -2, -9, 0, 2, -9, 3, 0, 1, 15, 0, -1, 0, -1, 2, 3, 9, 18, 0, 4, 31, 0, -3, 37, 0, 0, -2, 18, 10, ...
[ "sign" ]
A385187
[ 0, 6, 330, 3036, 14820, 51330, 142926, 341880, 731016, 1433790, 2625810, 4547796, 7519980, 11957946, 18389910, 27475440, 40025616, 57024630, 79652826, 109311180, 147647220, 196582386, 258340830, 335479656, 430920600, 547983150, 690419106, 862448580, 1068797436...
[ "nonn", "easy", "changed" ]
A156906
[ 1, 0, 1, -1, 0, 0, 2, -2, -3, 3, 11, -11, -31, 31, 101, -101, -328, 328, 1102, -1102, -3760, 3760, 13036, -13036, -45750, 45750, 162262, -162262, -580638, 580638, 2093802, -2093802, -7601043, 7601043, 27756627, -27756627, -101888163 ]
[ "easy", "sign" ]
A112237
[ 1, 2, 3, 8, 144, 9.969216677189303e+30 ]
[ "nonn" ]
A054236
[ 6, 19, 132, 182, 217, 757, 2377, 2077, 2833, 4374, 2408, 4864, 4912, 6097, 7295, 3324, 8341, 13357, 17522, 20006, 25939, 20406, 24492, 68984, 75732, 69151, 79000, 69361, 97598, 99064, 126014, 126873, 154622, 174278, 180514, 136431, 117151, 19...
[ "nice", "nonn" ]
A221641
[ 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0...
[ "nonn", "tabl" ]
A244457
[ 1, 0, 0, 1, 2, 2, 4, 7, 12, 20, 34, 56, 98, 167, 284, 484, 835, 1433, 2467, 4250, 7345, 12700, 22004, 38154, 66266, 115224, 200623, 349654, 610126, 1065739, 1863547, 3261672, 5714277, 10020092, 17586014, 30890654, 54305289, 95542387, 168221...
[ "nonn" ]
A217671
[ 3, 3, 3, 73, 523, 6581, 10753, 43103, 43103, 43103, 55457, 55457, 28751773, 278689963, 278689963, 784284211, 4440915607, 8340839629, 30651695947, 50246427391, 50246427391 ]
[ "nonn" ]
A136326
[ 1, 2, 4, 9, 17, 37, 69, 149, 277, 597, 1109, 2389, 4437, 9557, 17749, 38229, 70997, 152917, 283989, 611669, 1135957, 2446677, 4543829, 9786709, 18175317, 39146837, 72701269, 156587349, 290805077, 626349397, 1163220309, 2505397589, 4652881237, 1002159...
[ "nonn" ]
A368361
[ 13, 35, 57, 79, 91, 11, 31, 51, 71, 92, 12, 32, 52, 72, 93, 13, 33, 53, 73, 94, 14, 34, 54, 74, 95, 15, 35, 55, 75, 96, 16, 36, 56, 76, 97, 17, 37, 57, 77, 98, 18, 38, 58, 78, 99, 19, 39, 59, 79, 91, 11, 31, 51, ...
[ "nonn", "base" ]
A244815
[ 1, 6, 3, 2, 3, 4, 5, 8, 0, 1, 3, 6, 1, 4, 4, 2, 3, 3, 3, 0, 5, 4, 5, 8, 6, 8, 3, 7, 9, 9, 9, 1, 1, 1, 1, 1, 7, 1, 9, 1, 7, 1, 1, 1, 1, 1, 7, 1, 9, 2, 7, 2, 1, 2, 1, 2, 7, 2, 9, 2, 7, 3, 1, 3...
[ "nonn", "easy" ]
A369430
[ 1, 2, 4, 3, 4, 5, 9, 8, 6, 7, 8, 12, 9, 10, 18, 11, 25, 16, 12, 13, 14, 20, 36, 15, 27, 16, 24, 17, 18, 49, 19, 28, 20, 36, 21, 22, 50, 32, 23, 24, 25, 36, 45, 26, 27, 28, 40, 29, 72, 30, 31, 44, 54, 100, 32,...
[ "nonn", "easy" ]
A250355
[ 64, 622, 3349, 12734, 38543, 99344, 226247, 467642, 894599, 1606988, 2740319, 4473302, 7036127, 10719464, 15884183, 22971794, 32515607, 45152612, 61636079, 82848878, 109817519, 143726912, 185935847, 237993194, 301654823, 378901244 ]
[ "nonn" ]
A043842
[ 273, 274, 275, 280, 281, 283, 284, 285, 286, 289, 290, 291, 292, 294, 295, 300, 301, 302, 305, 306, 307, 308, 310, 311, 312, 313, 315, 388, 390, 391, 392, 393, 395, 396, 397, 398, 401, 402, 403, 408, 409, 411, 412, 413, 414 ]
[ "nonn", "base" ]
A095008
[ 1, 1, 1, 3, 3, 7, 13, 22, 37, 71, 128, 231, 440, 807, 1519, 2872, 5371, 10204, 19341, 36759, 70179, 134241, 256856, 492936, 947272, 1822615, 3513691, 6781495, 13103816, 25348667, 49092241, 95168205, 184661253, 358636497, 697094872, 1356052491, ...
[ "nonn", "less" ]
A100583
[ 0, 8, 44, 124, 268, 492, 816, 1256, 1832, 2560, 3460, 4548, 5844, 7364, 9128, 11152, 13456, 16056, 18972, 22220, 25820, 29788, 34144, 38904, 44088, 49712, 55796, 62356, 69412, 76980, 85080, 93728, 102944, 112744, 123148, 134172, 145836 ]
[ "nonn", "easy", "changed" ]
A245151
[ 1, 0, 1, 0, 1, 1, 0, 2, 0, 1, 0, 3, 1, 0, 1, 0, 5, 1, 0, 0, 1, 0, 7, 3, 1, 0, 0, 1, 0, 12, 3, 1, 0, 0, 0, 1, 0, 17, 8, 1, 1, 0, 0, 0, 1, 0, 28, 9, 3, 1, 0, 0, 0, 0, 1, 0, 42, 21, 3, 1, 1, 0, 0...
[ "nonn", "tabl" ]
A303055
[ 1, -42, -9702, -3124044, -1148086170, -453264419916, -187198205425308, -79746435511181220, -34749509273997210000, -1.5405615778138763e+22, -6.923283730695561e+24, -3.1456883714560374e+27, -1.4422981183125932e+30 ]
[ "sign", "easy" ]
A119852
[ 0, 0, 0, 1, 6, 27, 106, 387, 1350, 4566, 15102, 49113, 157622, 500520, 1575558, 4923536, 15290784, 47235771, 145246224, 444814533, 1357368786, 4128880561, 12523521786, 37888119522, 114358226428, 344437708131, 1035409733820 ]
[ "nonn" ]
A066134
[ 48, 180, 245, 432, 500, 605, 931, 980, 1200, 1280, 1620, 1805, 2205, 2352, 2420, 3380, 3724, 3888, 3920, 4500, 4655, 5445, 5780, 5808, 6125, 6845, 7203, 7220, 7936, 8112, 8379, 8405, 8820, 9072, 9251, 9680, 10580, 10800, 11520, 11760, 1...
[ "nonn" ]
A305141
[ 1, 1, 11, 228, 6621, 240689, 10351550, 509604000, 28110904439, 1711981045939, 113863658640249, 8201890764752000, 635637023178406500, 52712939749766530000, 4.6565682446154806e+21, 4.364861818822154e+23, 4.326818414489286e+25, 4.522468113281674e+27, 4.971073561710972e+29 ]
[ "nonn" ]
A289473
[ 1, 1, 31, 1341, 59917, 2665884, 117939506, 5201391077, 229151753951, 10097407871079, 445314691051823, 19662213285986440, 869281482750346800, 38482251447081810000, 1.7057620971839265e+21, 7.57022511554788e+22, 3.363573441149093e+24 ]
[ "nonn" ]
A275397
[ 14, 324, 444, 1011, 2404, 8122, 27373, 94065, 323306, 1109170, 3808690, 13056118, 44831206, 154016128, 529240302, 1819237762, 6248275627, 21463735564, 73700124392, 253141996437, 869508060107, 2987025162013, 10261553235393 ]
[ "nonn" ]
A053567
[ -120, 1764, -13132, 67284, -269325, 902055, -2637558, 6926634, -16669653, 37312275, -78558480, 156952432, -299650806, 549789282, -973941900, 1672280820, -2792167686, 4546047198, -7234669596, 11276842500, -17247104875, 25922927745, -38343278610, 55880640270 ]
[ "easy", "sign" ]
A295781
[ 2, 3, 3, 5, 9, 5, 8, 19, 19, 8, 13, 49, 56, 49, 13, 21, 123, 198, 198, 123, 21, 34, 297, 665, 1059, 665, 297, 34, 55, 739, 2213, 5263, 5263, 2213, 739, 55, 89, 1825, 7479, 25529, 37897, 25529, 7479, 1825, 89, 144, 4491, 25...
[ "nonn", "tabl" ]
A116990
[ 1, 2, 11, 20, 40, 68, 92, 212, 236, 253, 266, 321, 328, 452, 582, 589, 596, 668, 695, 716, 782, 788, 836, 928, 932, 970, 991, 1012, 1065, 1076, 1173, 1264, 1300, 1336, 1388, 1436, 1490, 1549, 1796, 1854, 1927, 1995, 2159, 2228, ...
[ "easy", "nonn", "less" ]
A321823
[ 1, 1, -2186, 1, 78126, -2186, -823542, 1, 4780783, 78126, -19487170, -2186, 62748518, -823542, -170783436, 1, 410338674, 4780783, -893871738, 78126, 1800262812, -19487170, -3404825446, -2186, 6103593751, 62748518, -10455572420, -823542 ]
[ "sign", "easy", "mult" ]
A149602
[ 1, 1, 5, 15, 61, 221, 967, 3881, 16899, 70221, 315047, 1354407, 6082311, 26520757, 120929241, 536544351, 2448727261, 10949317877, 50429415865, 227885979067, 1050361492137, 4769636868583, 22118009769063, 101146482471553, 469341868210259, 2153448614138777, 100359095...
[ "nonn", "walk" ]
A278943
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 80, 81, 9, 82, 10, 83, 11, 18, 12, 13, 28, 14, 15, 16, 84, 17, 19, 20, 85, 21, 22, 23, 38, 24, 25, 26, 27, 48, 29, 30, 31, 32, 33, 86, 34, 35, 36, 37, 39, 87, 40, 41, 42, 43, 44, 58...
[ "nonn", "base" ]
A350122
[ 1, 1, 2, 1, 4, 4, 1, 8, 10, 5, 1, 16, 28, 17, 7, 1, 32, 82, 65, 27, 9, 1, 64, 244, 257, 127, 41, 11, 1, 128, 730, 1025, 627, 225, 55, 12, 1, 256, 2188, 4097, 3127, 1313, 353, 70, 15, 1, 512, 6562, 16385, 15627, 7809,...
[ "nonn", "tabl" ]
A275497
[ 1, 9, 80, 656, 4180, 68080, 1643372, 58423188, 3045734096, 235680645520, 26923774835716, 4558306996574952 ]
[ "nonn" ]
A293936
[ 1, 0, 2, 0, 13, 13, 73, 110, 320, 529, 1160, 1893, 3569, 5633, 9600, 14636, 23246, 34233, 51618, 73716, 106678, 148325, 207652, 281963, 384141, 510882, 680155, 888201, 1159414, 1489689, 1911698, 2421067, 3060774, 3826640, 4774174, 5899837, 7274...
[ "nonn" ]
A363888
[ 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 1, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 2, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 4, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 2, 2, 0...
[ "nonn" ]
A242689
[ 1, 0, 2, 0, 5, 0, 10, 0, 15, 1, 26, 4, 40, 11, 61, 26, 87, 57, 141, 108, 198, 193, 303, 330, 432, 540, 652, 845, 932, 1294, 1362, 1933, 1940, 2836, 2821, 4100, 4009, 5845, 5746, 8253, 8122, 11552, 11538, 16056, 16254, 22185, ...
[ "nonn" ]
A190289
[ 1, 8, 9, 5, 6, 4, 3, 9, 2, 3, 7, 3, 8, 9, 6, 0, 0, 0, 1, 6, 4, 7, 0, 1, 1, 7, 9, 8, 4, 3, 2, 0, 0, 2, 1, 2, 2, 2, 4, 6, 1, 1, 4, 1, 4, 4, 1, 9, 1, 9, 9, 2, 9, 7, 5, 6, 5, 1, 8, 1, 0, 5, 3, 0...
[ "nonn", "cons" ]
A120990
[ 0, 0, 12, 92, 536, 2872, 14884, 75924, 384048, 1933424, 9706556, 48650956, 243609160, 1219108776, 6098732628, 30503229188, 152544843872, 762810312928, 3814309845100, 19072324066620, 95363944856184, 476826697849880, 2384154409955972, 11920834811899252, 5960436234585410...
[ "nonn", "easy" ]
A093998
[ 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 1, 2, 1, 2, 1, 2, 1, 0, 2, 2, 2, 2, 1, 2, 2, 1, 3, 1, 1, 2, 1, 2, 2, 2, 3, 1, 2, 3, 1, 3, 2, 2, 3, 1, 3, 2, 1, 3, 2, 2, 2, 1, 2, 2, 2, 4, 1, 3, 3, 1, 4...
[ "easy", "nonn" ]
A347136
[ 1, 5, 8, 19, 12, 40, 18, 65, 49, 60, 24, 152, 30, 90, 96, 211, 36, 245, 42, 228, 144, 120, 52, 520, 109, 150, 272, 342, 60, 480, 68, 665, 192, 180, 216, 931, 78, 210, 240, 780, 84, 720, 90, 456, 588, 260, 100, 1688, 247,...
[ "nonn", "mult" ]
A183892
[ 8, 1, 22, 16, 121, 52, 1, 292, 631, 114, 8, 241, 2574, 2059, 240, 1, 982, 8681, 13344, 6399, 494, 16, 1, 20152, 63645, 59518, 19483, 1004, 1, 492, 32821, 201154, 363749, 250124, 58807, 2026, 8, 241, 57614, 542557, 1466628, 1905097, ...
[ "nonn", "tabl" ]
A069933
[ 1, 2, 2, 3, 3, 5, 3, 4, 4, 7, 4, 8, 4, 7, 7, 6, 5, 10, 5, 10, 8, 9, 5, 11, 7, 10, 8, 11, 6, 18, 6, 9, 10, 11, 10, 15, 7, 12, 11, 14, 7, 20, 7, 13, 13, 12, 7, 16, 9, 17, 13, 15, 8, 19, 13, 16, 13, 14, ...
[ "easy", "nonn" ]
A290714
[ 2, 9, 110, 2116, 59670, 2509056, 147357840, 12001640704, 1321710590682, 196996776086916 ]
[ "nonn", "more" ]
A369667
[ 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, 1, 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, 1, 0, 0, 0, 0, 0...
[ "nonn" ]
A367188
[ 1, 3, 8, 18, 35, 7, 48, 106, 29, 129, 258, 98, 295, 57, 338, 10, 391, 831, 330, 898, 259, 971, 180, 1054, 91, 1151, 2312, 1048, 2419, 939, 2532, 812, 2663, 675, 2802, 526, 2953, 369, 3116, 202, 3289, 23, 3470, 7108, 3277, 7305...
[ "nonn" ]
A288027
[ 0, 2, 38, 1834, 419710, 356269056, 1163645044100, 15000387107144576, 749707067231291400000 ]
[ "nonn", "more" ]
A340279
[ 0, 0, 1, 1, 2, 2, 4, 4, 6, 6, 10, 8, 14, 12, 16, 16, 24, 18, 30, 24, 32, 30, 43, 32, 49, 42, 54, 48, 68, 48, 78, 64, 80, 72, 93, 72, 110, 90, 111, 96, 134, 96, 148, 120, 144, 132, 175, 128, 187, 150, 189, 168, 22...
[ "nonn" ]
A258689
[ 41728, 386304, 386304, 3512272, 5392960, 3512272, 27566112, 58713912, 58713912, 27566112, 202381312, 479373352, 730627431, 479373352, 202381312, 1439941888, 4020536064, 5979059398, 5979059398, 4020536064, 1439941888, 9687764256 ]
[ "nonn", "tabl" ]
A259197
[ 1, 1, 1, 2, 2, 3, 4, 4, 4, 6, 6, 8, 8, 9, 10, 14, 12, 16, 16, 19, 19, 26, 22, 30, 26, 34, 31, 43, 33, 48, 42, 56, 47, 66, 51, 77, 60, 84, 68, 99, 73, 112, 86, 123, 95, 143, 103, 162, 116, 174, 131, 200, 137, 22...
[ "nonn", "easy" ]
A052980
[ 1, 1, 2, 5, 11, 24, 53, 117, 258, 569, 1255, 2768, 6105, 13465, 29698, 65501, 144467, 318632, 702765, 1549997, 3418626, 7540017, 16630031, 36678688, 80897393, 178424817, 393528322, 867954037, 1914332891, 4222194104, 9312342245, 20539017381, 45300228866...
[ "easy", "nonn" ]
A294731
[ 1, 1, 3, 4, 1, 2, 1, 2, 7, 9, 5, 4, 1, 20, 3, 43, 4, 3, 14, 22, 9, 8, 19, 7, 1, 1, 8, 4, 24, 5, 1, 2, 2, 13, 4, 6, 5, 9, 22, 3, 15, 6, 11, 3, 7, 5, 20, 5, 6, 7, 3, 3, 9, 14, 10, 2, 35, 2, 1, 10, 2...
[ "nonn" ]
A114097
[ 1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 10, 12, 14, 18, 20, 25, 30, 34, 40, 47, 56, 63, 73, 84, 95, 111, 127, 140, 161, 180, 209, 230, 259, 288, 322, 366, 405, 443, 498, 545, 618, 675, 740, 813, 894, 1002, 1084, 1181, 1304, 1410...
[ "nonn" ]
A132305
[ 1, 3, 309, 32847, 4775301, 764206503, 131689759209, 23857704965727, 4487745064421061, 869024373004460800, 172218243516497430000, 3.477875239814297e+22, 7.134304921516864e+24, 1.4829653603429235e+27, 3.117604927859299e+29 ]
[ "nonn" ]
A197295
[ 1, 6, 4, 5, 6, 3, 8, 0, 7, 2, 7, 9, 3, 5, 6, 6, 8, 7, 8, 2, 4, 4, 0, 5, 9, 7, 8, 5, 5, 1, 8, 8, 8, 5, 7, 9, 0, 0, 9, 1, 1, 9, 6, 3, 4, 1, 0, 0, 0, 7, 3, 6, 1, 0, 7, 9, 2, 9, 5, 0, 9, 5, 0, 8...
[ "nonn", "cons" ]
A328610
[ -2, 1, 1, 0, 1, 1, 3, 0, 1, 2, 4, 6, 0, 1, 3, 10, 10, 10, 0, 1, 5, 18, 30, 20, 15, 0, 1, 8, 35, 63, 70, 35, 21, 0, 1, 13, 64, 140, 168, 140, 56, 28, 0, 1, 21, 117, 288, 420, 378, 252, 84, 36, 0, 1, 34, 210,...
[ "sign", "tabf" ]
A280634
[ 1, 1, 0, 0, 2, 0, 1, 1, 1, 2, 0, 1, 2, 0, 1, 1, 0, 2, 1, 0, 2, 1, 0, 3, 0, 1, 1, 0, 2, 1, 1, 2, 0, 2, 0, 2, 2, 1, 1, 3, 1, 2, 1, 1, 2, 3, 0, 5, 2, 2, 1, 2, 2, 3, 1, 4, 1, 4, 0, 5, 1, 2, 1, 3...
[ "nonn", "easy" ]
A383707
[ 1, 2, 3, 6, 10, 14, 15, 30, 42, 66, 70, 78, 105, 110, 182, 210, 330, 390 ]
[ "nonn", "more" ]
A222635
[ 1, 1, 1, 1, 1, 1, 4, 3, 3, 4, 5, 10, 5, 10, 5, 10, 22, 34, 34, 22, 10, 12, 49, 67, 161, 67, 49, 12, 34, 121, 388, 707, 707, 388, 121, 34, 43, 316, 915, 3309, 3200, 3309, 915, 316, 43, 101, 779, 4850, 16892, 31574, 31...
[ "nonn", "tabl" ]
A298201
[ 32, 114, 548, 2970, 16892, 98466, 583412, 3500970, 21232556, 129930354, 801132452, 4970993658, 31006439132, 194231313474, 1220944803668, 7696445791050, 48625129598732, 307759067766546, 1950657679387652, 12377791111168410, 78613025212107840, 499635602835227900 ]
[ "nonn" ]
A126805
[ 1, 1, 1, 1, 2, 1, 1, 1, 3, 2, 2, 1, 2, 2, 4, 2, 3, 2, 3, 2, 1, 2, 3, 3, 1, 2, 2, 3, 1, 2, 2, 2, 2, 4, 2, 2, 2, 1, 4, 3, 4, 2, 2, 1, 2, 3, 2, 2, 3, 2, 3, 2, 2, 2, 1, 3, 4, 2, 4, 2, 5, 2, 2, 3...
[ "easy", "nonn" ]
A296106
[ 1, 3, 3, 8, 17, 8, 21, 130, 130, 21, 55, 931, 2604, 931, 55, 144, 6871, 54732, 54732, 6871, 144, 377, 50778 ]
[ "hard", "nonn", "tabl", "more" ]
A320692
[ 1, 5, 11, 16, 22, 33, 49, 70, 98, 135, 184, 248, 330, 436, 572, 743, 959, 1232, 1572, 1994, 2518, 3165, 3961, 4936, 6125, 7575, 9338, 11469, 14041, 17142, 20867, 25331, 30671, 37042, 44629, 53647, 64342, 77007, 91977, 109632, 130426, ...
[ "nonn" ]
A224204
[ 4, 16, 16, 50, 160, 64, 130, 984, 1600, 256, 296, 4580, 16060, 16000, 1024, 610, 17723, 108625, 263516, 160000, 4096, 1163, 59792, 586343, 2411246, 4357084, 1600000, 16384, 2083, 180821, 2734683, 16355242, 54177872, 72105068, 16000000, 65536 ]
[ "nonn", "tabl" ]
A017318
[ 16, 196, 576, 1156, 1936, 2916, 4096, 5476, 7056, 8836, 10816, 12996, 15376, 17956, 20736, 23716, 26896, 30276, 33856, 37636, 41616, 45796, 50176, 54756, 59536, 64516, 69696, 75076, 80656, 86436, 92416, 98596, 104976, 111556, 118336, 125316, 13...
[ "nonn", "easy" ]
A042584
[ 28, 29, 57, 86, 659, 745, 1404, 14785, 16189, 225242, 466673, 1158588, 2783849, 3942437, 6726286, 10668723, 17395009, 45458741, 108312491, 262083723, 3515400890, 3777484613, 41290247020, 45067731633 ]
[ "nonn", "cofr", "frac", "easy" ]
A281767
[ 0, 10, 47, 152, 609, 2138, 7466, 25798, 87397, 293470, 979311, 3235714, 10650401, 34842532, 113507950, 368400482, 1191351902, 3841448788, 12352142633, 39620840414, 126807886700, 405026431154, 1291283976919, 4109819232304 ]
[ "nonn" ]
A232614
[ 5, 5, 5, 3, 13, 3, 9, 13, 13, 9, 11, 23, 61, 23, 11, 3, 45, 93, 93, 45, 3, 23, 105, 105, 713, 105, 105, 23, 37, 297, 493, 1521, 1521, 493, 297, 37, 3, 583, 1927, 6561, 40917, 6561, 1927, 583, 3, 95, 1419, 16121, 53539, ...
[ "nonn", "tabl" ]
A297645
[ 1, 6, 45, 276, 325, 496, 561, 630, 703, 2145, 2701, 6903, 8385, 10585, 14365, 18721, 25878, 38503, 47278, 74305, 89676, 90525, 107416, 109278, 147696, 149878, 210925, 254541, 303810, 345696, 349030, 383250, 454581, 527878, 561270, 674541, 70507...
[ "nonn", "base" ]
A361850
[ 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 2, 0, 2, 1, 3, 3, 4, 2, 5, 4, 7, 8, 10, 6, 11, 11, 15, 16, 21, 18, 25, 23, 28, 32, 40, 40, 51, 51, 58, 60, 73, 75, 93, 97, 113, 123, 139, 141, 164, 175, 199, 217, 248, 263, 301, ...
[ "nonn" ]
A081547
[ 4, 10, 9, 25, 33, 65, 129, 385, 513, 1025, 2049, 4097, 8193, 16385, 32769, 98305, 131073, 262145, 524289, 1048577, 2097153, 4194305, 8388609, 16777217, 33554433, 67108865, 134217729, 268435457, 536870913, 1073741825, 2147483649 ]
[ "nonn" ]
A244559
[ 1, 4, 36, 416, 140, 4940, 250160, 160940, 936464640, 9364646400, 981811366400, 1649810013600, 3644490406400, 6449149644811400, 1904936491693664000, 408144496481646500000, 9.252536644916464e+23, 3.616049499490255e+22, 1.4136162510016065e+23 ]
[ "nonn", "base" ]
A203658
[ 27966, 4859580, 729677481, 85151157995, 8115230716866, 656137171037648, 46216860954254230, 2891295237770491400, 163019734007831860000, 8.380298695440493e+21, 3.9646595029152e+23 ]
[ "nonn" ]
A152799
[ 1, 1, 3, 6, 15, 40, 113, 348, 1148, 4045, 15203, 60710, 256688, 1145887, 5386283, 26590338, 137537012, 743766652, 4196681423, 24661702224, 150676068558, 955611495432, 6281965526173, 42745748797360, 300690981532778 ]
[ "nonn" ]
A113566
[ 2, 3, 5, 7, 0, 1, 3, 4, 6, 9, 0, 3, 5, 6, 8, 1, 4, 5, 8, 0, 1, 4, 6, 9, 3, 5, 6, 8, 9, 1, 8, 0, 3, 4, 9, 0, 3, 6, 8, 1, 4, 5, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 3, 1, 3, 1, 4...
[ "base", "easy", "nonn" ]
A372448
[ 1, 4, 9, 19, 39, 79, 160, 322, 645, 1292, 2585, 5171, 10344, 20689, 41379, 82759, 165520, 331043, 662087, 1324175, 2648352, 5296705, 10593412, 21186825, 42373651, 84747303, 169494607, 338989215, 677978433, 1355956867, 2711913735, 5423827471, 1084765494...
[ "nonn" ]
A141553
[ 0, 0, 4, 9, 6, 15, 12, 0, 9, 18, 20, 27, 12, 18, 33, 12, 30, 27, 0, 36, 45, 30, 18, 51, 44, 36, 45, 54, 36, 63, 24, 40, 45, 60, 66, 27, 54, 60, 68, 81, 54, 87, 60, 0, 66, 81, 90, 84, 75, 36, 105, 60, 102, 72, ...
[ "nonn" ]
A007339
[ 1, 0, -6, -21, -40, -5, 504, 4697, 39808, 362151, 3627800, 39915469, 478999872, 6227018603, 87178288456, 1307674364625, 20922789883904, 355687428091087, 6402373705722168, 121645100408825140, 2432902008176632000 ]
[ "sign" ]
A096332
[ 1, 1, 4, 38, 727, 26013, 1597690, 149248656, 18919743219, 3005354096360, 569226803220234, 124594074249852580, 30861014504270954000, 8.520443838646833e+21, 2.592150684565936e+24, 8.610797531844297e+26, 3.1000831626749603e+29 ]
[ "nonn", "hard" ]
A329756
[ 0, 1, 456, 14976, 181780, 1273970, 6293756, 24395756, 79119496, 223821235, 568280240, 1321714636, 2858876956, 5817509516, 11237224740, 20751835560, 36849296016, 63215722181, 105182448536, 170297734920, 269047574180, 415753060646, 629674964556, 936359517556 ]
[ "nonn", "easy" ]
A152696
[ 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3421440, 35166240, 389352960, 4691481888, 60558135040, 843695759904, 12332831057536 ]
[ "nonn" ]
A184950
[ 1, 3, 59, 1, 7847, 1, 3459376, 7, 2585136287, 388, 2807104844073, 406824 ]
[ "nonn", "tabf", "hard", "more" ]
A119814
[ 0, 1, 6, 109, 112494, 1887350536045, 5.439917549346325e+29, 7.582138448061721e+71 ]
[ "frac", "nonn" ]
A168481
[ 1, 4, 56, 2432, 377600, 222691328, 513752956928, 4690384533848064, 170085542794237050000, 2.452007882863271e+25, 1.4055876186039468e+31 ]
[ "nonn" ]