id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A161337
[ 0, 2, 4, 6, 12, 14, 20, 26, 32, 42, 48, 58, 72, 74, 80, 86, 96, 114, 124, 150, 164, 182, 208, 222, 244, 270, 276, 290, 304, 322, 352, 374, 416, 446, 476, 510, 532, 558, 588, 618, 648, 666, 688, 726, 752, 794, 836, 870, 9...
[ "nonn" ]
A088388
[ 0, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 1, 4, 1, 2, 1, 1, 1, 1, 1, 3, 2, 1, 3, 1, 1, 1, 1, 5, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 1, 2, 1, 1, 4, 2, 2, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 2, 6...
[ "nonn" ]
A019938
[ 8, 3, 9, 0, 9, 9, 6, 3, 1, 1, 7, 7, 2, 8, 0, 0, 1, 1, 7, 6, 3, 1, 2, 7, 2, 9, 8, 1, 2, 3, 1, 8, 1, 3, 6, 4, 6, 8, 7, 4, 3, 4, 2, 8, 3, 0, 1, 2, 3, 4, 6, 5, 3, 3, 2, 4, 4, 1, 0, 2, 0, 3, 9, 2...
[ "nonn", "cons" ]
A310357
[ 1, 4, 10, 13, 19, 24, 28, 32, 39, 43, 44, 54, 57, 58, 67, 72, 73, 79, 88, 87, 93, 102, 101, 108, 114, 116, 122, 128, 130, 136, 144, 142, 151, 159, 155, 165, 173, 170, 177, 188, 185, 190, 203, 199, 205, 216, 213, 220, 229...
[ "nonn" ]
A142370
[ 19, 113, 677, 1429, 1523, 1993, 2087, 2557, 3121, 3779, 3967, 4813, 5189, 5471, 5659, 6317, 6599, 7069, 7351, 7727, 8009, 8291, 8573, 8761, 9043, 9137, 9419, 10453, 11299, 11393, 11863, 12239, 13367, 13649, 13931, 14401, 14683, 16187, 16657...
[ "nonn", "easy" ]
A013461
[ 1, 0, 0, -1, 0, 15, 10, -495, -840, 29015, 87750, -2666475, -12310100, 354343275, 2287605450, -64350661375, -549013374000, 15319760415375, 166031512396750, -4630895520073875, -61922192590147500 ]
[ "sign" ]
A346008
[ 1, 128, 3359232, 126806761930752, 1.7832200896512e+25, 2.0122639448358308e+40, 3.46671850578028e+59, 1.586351477914269e+83, 3.1353833893155246e+111 ]
[ "nonn" ]
A187601
[ 0, 1, 3, 6, 6, 5, 3, 7, 12, 18, 15, 11, 6, 13, 21, 30, 24, 17, 9, 19, 30, 42, 33, 23, 12, 25, 39, 54, 42, 29, 15, 31, 48, 66, 51, 35, 18, 37, 57, 78, 60, 41, 21, 43, 66, 90, 69, 47, 24, 49, 75, 102, 78, 53, 2...
[ "nonn", "look", "easy" ]
A001888
[ 1, 1, 1, 4, 21, 122, 849, 6719, 59873, 593686, 6483027, 77309508, 999569969, 13927664613, 208044077633, 3316415176712, 56193522437465, 1008499234742158, 19110533105114430, 381290148293261060, 7989548583615386000, 175418232627066370000, 4.027213499971769e+21, 9.648986155...
[ "nonn" ]
A247742
[ 0, 0, 0, 20, 192, 1568, 12636, 114216, 1022604, 8640980, 72406668, 605996308, 5065065936, 42045917448, 346705312932, 2848191025876, 23325323646860, 190440300054560, 1550193295412264, 12585187313440032, 101937894879304350, 823951520087842700, 6646993031822675000 ]
[ "nonn" ]
A371091
[ 0, 1, 1, 2, 1, 2, 1, 2, 2, 3, 2, 3, 1, 2, 2, 3, 2, 3, 2, 3, 3, 4, 3, 4, 1, 2, 2, 3, 2, 3, 1, 2, 2, 3, 2, 3, 2, 3, 3, 4, 3, 4, 2, 3, 3, 4, 3, 4, 3, 4, 4, 5, 4, 5, 2, 3, 3, 4, 3, 4, 1, 2, 2, 3...
[ "nonn", "base" ]
A376488
[ 1, 2, 4, 9, 13, 16, 18, 21, 71, 72, 75, 77, 79, 82, 84, 85, 88, 93, 95, 97, 470, 472, 475, 497, 500, 511, 515, 526, 529, 544, 557, 2618, 2738, 2743, 2744, 2749, 2761, 2762, 2827, 2832, 2835, 2862, 2890, 2892, 2895, 2896, 290...
[ "nonn" ]
A241894
[ 1, 2, 5, 18, 61, 242, 925, 3698, 14621, 58482, 233245, 932978, 3729181, 14916722, 59655965, 238623858, 954451741, 3817806962, 15271053085, 61084212338, 244336150301, 977344601202, 3909375608605 ]
[ "nonn", "easy" ]
A269122
[ 1, 23, 1879, 173891, 16140983, 1474050783, 132279480115, 11690616534627, 1020149742404727, 88094027572412740, 7541872062618216000, 641058122723345300000, 5.416377379715899e+22, 4.5532496815228454e+24, 3.811229441718978e+26 ]
[ "nonn" ]
A264102
[ 21, 27, 33, 39, 51, 55, 57, 65, 69, 85, 87, 93, 95, 111, 115, 119, 123, 125, 129, 133, 141, 145, 155, 159, 161, 177, 183, 185, 201, 203, 205, 213, 215, 217, 219, 230, 235, 237, 249, 250, 253, 259, 265, 267, 287, 290, 291, ...
[ "nonn", "tabf" ]
A112691
[ 1, 0, 0, 2, 1, 10, 1, 42, 1, 170, 1, 682, 1, 2730, 1, 10922, 1, 43690, 1, 174762, 1, 699050, 1, 2796202, 1, 11184810, 1, 44739242, 1, 178956970, 1, 715827882, 1, 2863311530, 1, 11453246122, 1, 45812984490, 1, 183251937962, 1, 73300775...
[ "easy", "nonn" ]
A331465
[ 15, 1390, 1369, 11763, 47802, 1529690, 4628217, 1544053, 804607562, 4747704789 ]
[ "nonn", "base", "more" ]
A159458
[ 1, 2, 3, 11, 33, 309, 665, 1461, 2323, 6789 ]
[ "nonn", "more" ]
A245402
[ 7, 7, 7, 7, 7, 7, 7, 14, 14, 14, 21, 21, 28, 28, 35, 42, 49, 56, 63, 77, 91, 105, 119, 140, 161, 189, 224, 259, 301, 350, 413, 483, 560, 651, 763, 889, 1036, 1211, 1414, 1645, 1925, 2240, 2618, 3052, 3563, 4158, 4851, 5656...
[ "nonn", "base" ]
A225092
[ 1, 4, 6, 2, 6, 2, 2, 9, 1, 2, 3, 9, 0, 7, 4, 0, 2, 0, 5, 2, 8, 0, 9, 1, 3, 0, 8, 0, 3, 0, 9, 9, 2, 0, 1, 6, 8, 6, 3, 4, 9, 0, 7, 0, 3, 8, 2, 1, 2, 9, 2, 0, 0, 3, 2, 9, 3, 8, 3, 2, 5, 2, 0, 2...
[ "nonn", "cons", "easy" ]
A169725
[ 12, 70, 532, 4510, 39772, 355510, 3192292, 28708750, 258313132, 2324621350, 20921001652, 188287243390, 1694579876092, 15251202941590, 137260778644612, 1235346864312430, 11118121348344652, 100063090843700220, 900567813719097200, 8105110311849260000 ]
[ "nonn", "easy" ]
A160817
[ 1, 69, 1026, 6809, 28973, 93389, 249138, 579601, 1215745, 2351605, 4261962, 7322217, 12030461, 19031741, 29144522, 43389345, 63019681, 89554981, 124815922, 170961849, 230530413, 306479405, 402230786, 521716913, 669428961 ]
[ "nonn" ]
A197856
[ 1, 7, 45, 630, 16425, 795212, 73597267, 12852258424, 4231009372419, 2633791007183728, 3098137435019686400 ]
[ "nonn" ]
A109653
[ 2, 5, 12, 23, 36, 53, 72, 101, 132, 169, 210, 253, 300, 359, 420, 487, 558, 631, 710, 793, 882, 979, 1082, 1189, 1298, 1411, 1538, 1669, 1806, 1945, 2094, 2245, 2402, 2565, 2732, 2905, 3084, 3265, 3456, 3649, 3846, 4045, 4256, 447...
[ "base", "easy", "nonn" ]
A089160
[ 0, 1, 2, 3, 6, 9, 10, 14, 15, 17, 21, 27, 29, 34, 35, 36, 38, 43, 48, 49, 57, 62, 64, 69, 70, 71, 79, 86, 90, 93, 108, 112, 115, 119, 122, 127, 128, 133, 136, 141, 142, 147, 149, 157, 164, 167, 174, 181, 183, 188, 19...
[ "easy", "nonn" ]
A363058
[ 1, 2, 3, 5, 5, 8, 9, 12, 13, 16, 17, 21, 21, 24, 25, 28, 27, 30, 29, 31, 29, 30, 27, 28, 25, 24, 21, 21, 17, 16, 13, 11, 8, 6, 3, 2, 1 ]
[ "nonn", "fini", "full" ]
A199686
[ 7, 61, 601, 6001, 60001, 600001, 6000001, 60000001, 600000001, 6000000001, 60000000001, 600000000001, 6000000000001, 60000000000001, 600000000000001, 6000000000000001, 60000000000000000, 600000000000000000, 6000000000000000000, 60000000000000000000, 600000000000000000000 ]
[ "nonn", "easy" ]
A230834
[ 4, 9, 21, 25, 39, 49, 57, 91, 93, 111, 121, 129, 133, 169, 183, 201, 217, 219, 237, 247, 259, 289, 291, 301, 309, 327, 361, 381, 403, 417, 427, 453, 469, 471, 481, 489, 511, 529, 543, 553, 559, 579, 589, 597, 633, 669, 679, ...
[ "nonn" ]
A052869
[ 0, 1, 2, 4, 11, 29, 88, 271, 876, 2880, 9699, 33106, 114575, 400547, 1413333, 5025026, 17987892, 64769123, 234438337, 852519108, 3113091384, 11410682109, 41967420293, 154832147286, 572853387928, 2124996514900, 7901625442544, 29446874224295, 109965454516498 ]
[ "easy", "nonn" ]
A068725
[ 1, 758541101, 134771061592765, 500885416261650560, 247753867499441880000, 3.592239248963996e+22, 2.2861739273652171e+24, 8.06334235816117e+25 ]
[ "nonn", "more" ]
A088178
[ 1, 2, 4, 6, 3, 5, 10, 8, 12, 9, 15, 20, 16, 24, 18, 21, 7, 11, 22, 14, 28, 32, 40, 25, 30, 36, 42, 35, 45, 27, 33, 44, 48, 60, 50, 70, 49, 56, 64, 72, 54, 66, 55, 65, 13, 17, 34, 26, 39, 51, 68, 52, 78, 84, 9...
[ "nonn", "look" ]
A020889
[ 6, 20, 24, 30, 42, 60, 70, 72, 80, 88, 104, 110, 112, 126, 130, 140, 154, 156, 170, 180, 198, 204, 210, 228, 234, 238, 252, 264, 266, 272, 286, 304, 308, 322, 330, 336, 342, 352, 364, 368, 374, 390, 396, 400, 414, 416, 420, ...
[ "nonn" ]
A139472
[ 1, 7, 76, 732, 6732, 62934 ]
[ "dead" ]
A156501
[ 2, 0, 50, 18, 13276, 76680, 40760544, 1759663680, 1948154942040 ]
[ "nonn" ]
A195084
[ 2, 1, 3, 0, 4, -1, 5, -2, 6, -3, 7, -4, 8, -5, 9, -6, 10, -7, 11, -8, 12, -9, 13, -10, 14, -11, 15, -12, 16, -13, 17, -14, 18, -15, 19, -16, 20, -17, 21, -18, 22, -19, 23, -20, 24, -21, 25, -22, 26, -23, 27, -24, ...
[ "sign", "easy" ]
A284599
[ 0, 0, 3, 0, 5, 3, 7, 0, 3, 5, 11, 3, 13, 7, 8, 0, 17, 3, 19, 5, 10, 11, 0, 3, 5, 13, 3, 7, 29, 8, 31, 0, 14, 17, 12, 3, 0, 19, 16, 5, 41, 10, 43, 11, 8, 0, 0, 3, 7, 5, 20, 13, 0, 3, 16, 7, 22, 29, 59,...
[ "nonn" ]
A093233
[ 0, 99, 7924, 9966996, 777484447, 99996699996, 77777704444440770000, 999999669999996, 7.77777000444444e+25, 9999999967000000000 ]
[ "base", "nonn" ]
A249706
[ 904, 2864, 8688, 24032, 57912, 156416, 442144, 1235840, 3295784, 8902160, 24576568, 68205968, 186882480, 511124496, 1407327072, 3893357456, 10747255576, 29617387520, 81753189024, 226221330256, 626221254528, 1732751390816 ]
[ "nonn" ]
A175922
[ 1, 1, 2, -1, 2, 1, 1, 2, -1, 2, 1, 1, 2, -1, 2, 1, 1, 2, -1, 2, 1, 1, 2, -1, 2, 1, 1, 2, -1, 2, 1, 1, 2, -1, 2, 1, 1, 2, -1, 2, 1, 1, 2, -1, 2, 1, 1, 2, -1, 2, 1, 1, 2, -1, 2, 1, 1, 2, -1, 2, 1, ...
[ "sign", "easy", "less" ]
A264471
[ 0, 4, 6, 16, 49, 124, 384, 1041, 2868, 8189, 22760, 63910, 179095, 500979, 1405340, 3935526, 11024880, 30892270, 86537090, 242454683, 679254490, 1902958308, 5331384633, 14936238820, 41845207329, 117233159460, 328438385380 ]
[ "nonn" ]
A308788
[ 139, 151, 331, 619, 661, 811, 829, 1069, 1231, 1279, 1291, 1381, 1471, 1579, 1699, 1999, 2239, 2251, 2281, 2371, 2659, 2689, 2749, 3271, 3331, 3391, 3499, 3631, 3919, 4051, 4159, 4231, 4261, 4759, 4909, 5059, 5581, 5701, 5821, 5839, 607...
[ "nonn" ]
A006275
[ 2, 5, 7, 197, 199, 7761797, 7761799, 467613464999866400000, 467613464999866400000, 1.0224946038730638e+62 ]
[ "nonn", "easy" ]
A268429
[ 1, 4, 16, 62, 238, 910, 3475, 13270, 50707, 193948, 742659, 2847126, 10928009, 41993692, 161555008, 622201838, 2398811962, 9257512318, 35760612784, 138263710226, 535038428936, 2072130742074, 8031333322206, 31151602276002, 120915026597458, 469648731423190, 18253483...
[ "nonn" ]
A078457
[ 1, 2, 2929, 5, 41459, 76, 21, 295, 2352527, 10, 963400369, 1162, 15, 68, 22082967607, 42, 144937, 217, 25, 1054, 1948397, 60, 14495, 266, 721, 28, 4343, 33, 193511, 52, 6884974839, 49, 1055, 48, 622699582951, 39806, 333, 44, 205, 70, 79...
[ "nonn" ]
A008557
[ 8, 10, 12, 14, 16, 20, 24, 30, 36, 44, 54, 66, 102, 146, 222, 336, 520, 1010, 1762, 3342, 6416, 14420, 34124, 102514, 310162, 1135622, 4252006, 20160546, 114720042, 665476452, 4752456544, 43321135540, 502611010664, 7240574662150, 151272370273006 ]
[ "nonn", "base", "nice", "easy" ]
A056978
[ 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1...
[ "nonn", "easy" ]
A228424
[ 2, 3, 5, 7, 11, 17, 19, 29, 31, 37, 53, 59, 61, 67, 71, 79, 101, 103, 107, 109, 127, 131, 137, 149, 157, 179, 191, 197, 199, 211, 239, 241, 251, 257, 269, 271, 277, 311, 317, 331, 347, 349, 353, 359, 367, 379, 389, 397, ...
[ "nonn" ]
A313241
[ 1, 4, 9, 15, 20, 24, 29, 35, 40, 44, 48, 53, 59, 64, 68, 73, 79, 84, 88, 92, 97, 103, 108, 112, 117, 123, 128, 132, 136, 141, 147, 152, 156, 161, 167, 172, 176, 180, 185, 191, 196, 200, 205, 211, 216, 220, 224, 229, 235,...
[ "nonn" ]
A047478
[ 1, 5, 7, 9, 13, 15, 17, 21, 23, 25, 29, 31, 33, 37, 39, 41, 45, 47, 49, 53, 55, 57, 61, 63, 65, 69, 71, 73, 77, 79, 81, 85, 87, 89, 93, 95, 97, 101, 103, 105, 109, 111, 113, 117, 119, 121, 125, 127, 129, 133, 135, ...
[ "nonn", "easy" ]
A118269
[ 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 2, 1, 0, 1, 0, 3, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 1, 2, 2, 2, 0, 0, 0, 1, 1, 0, 1, 0, 4, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0...
[ "easy", "nonn" ]
A107437
[ 5, 7, 5, 5, 5, 5, 6, 5, 5, 5, 6, 5, 6, 5, 5, 5, 5, 6, 7, 5, 5, 6, 5, 7, 5, 5, 5, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 5, 6, 5, 5, 5, 7, 5, 5, 5, 5, 6, 5, 8, 5, 6, 5, 6...
[ "easy", "nonn" ]
A076098
[ 1, 4, 6, 210, 330, 46410, 1009470, 2454270, 358888530, 8804809860, 14908423530, 87770875982790, 8644083578130, 6461153376929141000, 55507010099631090, 435066914019898700000, 1.2624989405621804e+22, 1.7683228254030985e+21 ]
[ "nonn" ]
A119657
[ 5, 217, 1, 71, 23, 131, 1, 191, 47, 59, 311, 1, 83, 431, 1, 107, 1, 1, 1, 1, 1, 1, 167, 179, 971, 1, 1031, 1, 1091, 227, 1, 263, 1, 1, 1, 1511, 1571, 1, 1, 347, 359, 1811, 383, 1931, 1, 1, 2111 ]
[ "nonn" ]
A340442
[ 2, 3, 9, 7, 4, 6, 9, 1, 7, 3, 0, 5, 3, 8, 7, 1, 8, 4, 2, 4, 4, 1, 7, 6, 5, 4, 9, 8, 3, 8, 8, 8, 1, 2, 9, 9, 5, 5, 0, 9, 2, 7, 2, 9, 5, 5, 4, 2, 9, 1, 1, 6, 9, 7, 8, 1, 2, 9, 9, 9, 0, 4, 1, 5...
[ "nonn", "cons" ]
A249743
[ 1, 8, 34, 90, 208, 376, 628, 816, 1218, 1768, 2200, 2922, 3648, 4342, 5028, 5988, 7728, 8478, 10116, 11572, 12628, 14298, 16018, 17710, 21630, 23128, 24616, 26856, 28666, 30622, 35686, 38382, 42606, 44062, 50212, 52698, 56362, 60798, 63960,...
[ "nonn" ]
A199930
[ 1, -2, -1, 12, -10, -49, 112, 111, -710, 316, 3233, -5634, -9505, 40592, -1934, -204897, 264664, 717295, -2243578, -873336, 12543857, -11138050, -50210993, 119318436, 108054622, -743719745, 372976064, 3334358847, -6051013534, -9504084892, 42720535345, -4...
[ "sign", "easy" ]
A185470
[ 4594, 21834, 76309, 225672, 594798, 1433903, 3212372, 6763143, 13496424, 25706057, 46997040, 82868632, 141494158, 234746166, 379524035, 599450565, 927014574, 1406248164, 2096040183, 3074201592, 4442414038, 6332210033 ]
[ "nonn" ]
A100170
[ 1, 92, 444, 1228, 2615, 4776, 7882, 12104, 17613, 24580, 33176, 43572, 55939, 70448, 87270, 106576, 128537, 153324, 181108, 212060, 246351, 284152, 325634, 370968, 420325, 473876, 531792, 594244, 661403, 733440, 810526, 892832 ]
[ "easy", "nonn" ]
A171907
[ 24, 15, 20, 0, 0, 1 ]
[ "fini", "full", "nonn" ]
A209181
[ 199, 31185, 3873287, 364261071, 24175529937, 1165940695438 ]
[ "nonn" ]
A225787
[ 2, 3, 2, 11, 19, 3, 5, 0, 71, 23, 109, 131, 17, 181, 2, 239, 271, 307, 0, 379, 3, 13, 127, 61, 67, 163, 701, 47, 811, 97, 37, 991, 0, 31, 0, 79, 83, 0, 41, 7, 0, 191, 37, 0, 5, 83, 541, 251, 2351, 613, 71, 0, 0, ...
[ "nonn" ]
A138264
[ 150571, 998353, 1719517, 3942889, 4476187, 5290699, 5651869, 6041701, 6089521, 6553117, 8018089, 9046627, 9606349, 10990489, 11460859, 11466769, 12573283, 12997483, 13082617, 13152817, 13334701, 14774971, 16240597, 16319179, 17335501, 17445397, 18814261 ]
[ "nonn" ]
A389418
[ 21, 10, 6, 12, 11, 1, 11, 6, 2, 2, 151, 87, 126, 80, 67, 125, 87, 70, 76, 46, 115, 118, 68, 60, 93, 104, 73, 55, 80, 73, 99, 76, 36, 31, 58, 47, 12, 24, 25, 84, 12, 42, 33, 68, 70, 17, 35, 88, 44, 28, 74, 58, 14,...
[ "nonn", "base" ]
A159140
[ 1, 37, 892, 18096, 338937, 6126649, 109501246, 1963185574, 35629128055, 658556882075, 12450568185864 ]
[ "nonn" ]
A211556
[ 180, 1712, 16318, 155904, 1492928, 14327826, 137797604, 1327935624, 12821402190, 124011705656, 1201438512040, 11657189258802, 113261149760588, 1101805278189552, 10730222804297534, 104601472189182190 ]
[ "nonn" ]
A134007
[ 5, 25, 165, 1225, 9669, 79225, 665445, 5686825, 49208709, 429746905, 3779084325, 33407391625, 296515495749, 2639977136185, 23561123826405, 210669225531625, 1886405750358789, 16910575282247064, 151726863979595680 ]
[ "nonn", "easy" ]
A174695
[ 0, 0, 1, 0, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 2, 3, 2, 1, 2, 1, 0, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 3, 2, 3, 2, 1, 0, 1, 2, 3, 2, 3, 2, 3, 2, 1, 0, 1, 0, 1, 2, 1, 2, 3, 4, 5, 4, 3, 4, 3, 4, 3, 4...
[ "sign" ]
A015767
[ 1, 2, 3, 6, 12, 14, 15, 30, 35, 38, 42, 54, 56, 70, 78, 87, 95, 105, 114, 126, 135, 140, 147, 168, 174, 182, 190, 209, 210, 215, 216, 222, 248, 258, 264, 266, 270, 285, 294, 297, 315, 342, 357, 378, 418, 420, 430, 447, 4...
[ "nonn" ]
A224577
[ 96608, 18044, 18044, 16696, 5668, 16696, 18868, 5696, 5696, 18868, 22096, 6411, 5896, 6411, 22096, 25769, 7034, 6659, 6659, 7034, 25769, 28708, 7386, 7295, 7394, 7295, 7386, 28708, 33705, 7843, 7884, 8143, 8143, 7884, 7843, 33705, 40120, 9237...
[ "nonn", "tabl" ]
A235275
[ 1120, 1660, 2344, 3952, 6232, 11704, 20440, 41704, 79480, 172360, 352024, 797512, 1714552, 4006024, 8930200, 21319624, 48718840, 118055560, 274305304, 671516872, 1577623672, 3888983944, 9203383960, 22793395144, 54200318200, 134655258760 ]
[ "nonn" ]
A132987
[ 1, 1, 2, 12, 240, 18480, 6708240, 14088352320, 203200845886080, 23190071108511728000, 2.3647206583059348e+25, 2.3988363113951276e+32 ]
[ "nonn" ]
A221866
[ 1, 4, 57, 2473, 349712 ]
[ "nonn", "more" ]
A143729
[ 1, 1, -1, -2, -4, -4, -3, -14, -13, -9, 0, -22, -11, -31, -18, -23, 5, -52, -12, -69, -56, -27, 12, -94, -31, -48, -24, -75, 15, -118, -44, -121, -95, -71, -26, -119, 27, -71, -27, -96, 67, -225, -16, -157, -138, -112, -13, ...
[ "sign" ]
A091103
[ 1, -3, 21, -27, 189, -243, 1701, -2187, 15309, -19683, 137781, -177147, 1240029, -1594323, 11160261, -14348907, 100442349, -129140163, 903981141, -1162261467, 8135830269, -10460353203, 73222472421, -94143178827, 659002251789, -847288609443 ]
[ "easy", "sign" ]
A348963
[ 1, 1, 1, 3, 1, 1, 1, 5, 4, 1, 1, 3, 1, 1, 1, 13, 1, 4, 1, 3, 1, 1, 1, 5, 6, 1, 10, 3, 1, 1, 1, 17, 1, 1, 1, 12, 1, 1, 1, 5, 1, 1, 1, 3, 4, 1, 1, 13, 8, 6, 1, 3, 1, 10, 1, 5, 1, 1, 1, 3, 1, 1, ...
[ "nonn", "mult" ]
A357256
[ 1, 1, 2, 2, 4, 4, 5, 3, 3, 5, 6, 6, 7, 10, 10, 7, 9, 12, 11, 9, 12, 8, 8, 14, 14, 11, 15, 13, 13, 17, 23, 20, 16, 15, 17, 23, 24, 16, 18, 18, 19, 26, 21, 28, 25, 19, 22, 22, 29, 24, 20, 30, 27, 21, 32, 29, ...
[ "nonn" ]
A164749
[ 8, 108, 730, 3576, 14414, 50928, 163722, 490496, 1391862, 3784168, 9940066, 25384568, 63327166, 154906432, 372640634, 883653200, 2069574918, 4794856504, 11003621330, 25040248584, 56557140046, 126889144656, 282971569898 ]
[ "nonn" ]
A033006
[ 9, 18, 27, 36, 45, 54, 63, 576, 594, 603, 612, 621, 630, 639, 1152, 1161, 1179, 1188, 1197, 1206, 1215, 1728, 1737, 1746, 1764, 1773, 1782, 1791, 2304, 2313, 2322, 2331, 2349, 2358, 2367, 2880, 2889, 2898, 2907, 2916, 2934 ]
[ "nonn", "base" ]
A160512
[ 1, 2, 3, 4, 5, 7, 10, 11, 13, 16, 17, 19, 21, 23, 26, 27, 29, 31, 33, 37, 38, 41, 42, 43, 46, 47, 51, 53, 55, 59, 61, 64, 65, 67, 69, 71, 73, 79, 82, 83, 85, 89, 91, 97, 101, 103, 105, 107, 109, 113, 114, 121, 12...
[ "nonn" ]
A027472
[ 1, 9, 54, 270, 1215, 5103, 20412, 78732, 295245, 1082565, 3897234, 13817466, 48361131, 167403915, 573956280, 1951451352, 6586148313, 22082967873, 73609892910, 244074908070, 805447196631, 2646469360359, 8661172452084, 28242953648100, 91789599356325, 297398301914493, ...
[ "nonn", "easy" ]
A073791
[ 0, 1, 2, 3, -4, -3, -2, -1, -8, -7, -6, -5, -12, -11, -10, -9, 16, 17, 18, 19, 12, 13, 14, 15, 8, 9, 10, 11, 4, 5, 6, 7, 32, 33, 34, 35, 28, 29, 30, 31, 24, 25, 26, 27, 20, 21, 22, 23, 48, 49, 50, 51, 44, 45, ...
[ "base", "easy", "sign" ]
A110588
[ 9, 25, 49, 121, 169, 361, 529, 841, 961, 1369, 1681, 2209, 4489, 5329, 6241, 9409, 10201, 10609, 11881, 22801, 24649, 38809, 44521, 51529, 54289, 57121, 66049, 69169, 85849, 94249, 109561, 113569, 121801, 124609 ]
[ "nonn" ]
A096949
[ 1, 28, 421, 26528, 2148803, 7878956, 2765513941, 74668877408, 3808112752813, 651187280816108, 2511722368895123, 173308843453994430, 7798897955430812000, 1.8951322031697138e+21, 5.4958833891921784e+22 ]
[ "nonn", "easy", "frac" ]
A056030
[ 0, 8, 3, 1, 9, 3, 110, 1, 7, 1, 10, 4, 2, 10, 1, 3, 1, 1, 10, 2, 5, 8, 1, 9, 8, 1, 997, 1, 109, 8, 1, 111, 4, 9, 2, 2, 1, 1, 1, 1, 2, 1, 53, 1, 3, 1, 6, 5, 1, 1, 3, 1, 4, 3, 1, 1, 6, 1, 1, 59, 2, ...
[ "easy", "nonn", "cofr" ]
A152164
[ 0, 0, 0, 0, 0, 1, 1, 1, 2, 0, 3, 2, 2, 1, 3, 2, 5, 1, 2, 2, 3, 2, 4, 2, 3, 3, 5, 5, 4, 1, 2, 4, 5, 2, 4, 3, 5 ]
[ "dead" ]
A101625
[ 0, 1, 1, 5, 1, 21, 17, 69, 1, 277, 273, 1349, 257, 5141, 4113, 16453, 1, 65813, 65809, 329029, 65793, 1381397, 1118225, 4538437, 65537, 18088213, 17826065, 88081733, 16777473, 335549461, 268439569, 1073758277, 1, 4295033109, 4295033105 ]
[ "easy", "nonn" ]
A354830
[ 1, 1, 1, 1, 2, 2, 8, 8, 30, 72, 408, 408, 4104, 4104, 29640, 208704, 1437312, 1437312, 22653504, 22653504, 318695040, 2686493376, 27628410816, 27628410816, 575372874240, 1775480841216, 21115550048256, 132879856582656, 2321256928702464, 2321256928702464, 83...
[ "nonn" ]
A276295
[ 4, 36, 173, 1017, 5965, 34865, 203933, 1192701, 6974781, 40786925, 238509373, 1394719389, 8155807421, 47692103389, 278885349565, 1630815353885, 9536385985277, 55765143107101, 326093248975229, 1906868691945053 ]
[ "nonn" ]
A014709
[ 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 2, 1, 1, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 1...
[ "nonn" ]
A138672
[ 1, 2, 3, 1, 8, 12, 8, 7, 9, 8, 30, 27, 8, 21, 28, 4, 8, 33, 64, 8, 70, 64, 50, 67, 64, 8, 64, 8, 64, 32, 64, 85, 8, 27, 8, 65, 59, 64, 49, 43, 8, 95, 8, 64, 8, 136, 40, 64, 8, 64, 216, 8, 36, 216, 216, 216,...
[ "nonn" ]
A177251
[ 1, 1, 2, 5, 22, 114, 697, 4923, 39612, 357899, 3588836, 39556420, 475392841, 6187284605, 86701097310, 1301467245329, 20835850494474, 354382860600678, 6381494425302865, 121290065781743380, 2426510081356069000, 50969474697328060000, 1.1215710234727806e+21 ]
[ "nonn" ]
A256339
[ 53, 239, 6719, 7321, 4073561, 6257813, 6521843, 85271063 ]
[ "nonn", "base", "fini", "full" ]
A345902
[ 1, 1, 2, 6, 24, 12, 27, 189, 1125, 1125, 1125, 12357, 124488, 1134468, 12255588, 12333888, 12234789, 11234799, 22222368, 222224499, 444448899, 2333467899, 12333567789, 12234567789, 222336666999, 1445555667789, 12334444556778, 33333336, 33333489, 111666789 ]
[ "nonn", "base" ]
A098322
[ 0, 16, 48, 101, 421, 2374, 7728, 9449, 17685, 83666, 71168, 128130, 555251, 412816, 271385, 1111695, 1910101, 11633401, 14851698, 9668058, 43227391, 159078942 ]
[ "easy", "nonn", "base" ]
A305103
[ 2, 3, 5, 7, 9, 11, 13, 17, 19, 21, 23, 25, 27, 29, 31, 37, 39, 41, 43, 47, 49, 53, 57, 59, 61, 63, 65, 67, 71, 73, 79, 81, 83, 87, 89, 91, 97, 101, 103, 107, 109, 111, 113, 115, 117, 121, 125, 127, 129, 131, 133, 1...
[ "nonn" ]
A184166
[ 0, 1, 2, 1, 3, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 3, 1, 2, 1, 2, 1, 5, 1, 2, 1, 2, 1, 2, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 2, 1, 2, 1, 2, 1, 3, 1, 2, 1, 4, 1, 2, 1, 2, 1...
[ "nonn" ]
A304476
[ 16, 64, 94, 297, 931, 2870, 8058, 25040, 76568, 231646, 698547, 2127306, 6445956, 19552446, 59312328, 179989186, 545864508, 1655917962, 5023513454, 15239822168, 46229536379, 140240525936, 425432765173, 1290586351293, 3915080833618 ]
[ "nonn" ]
A020749
[ 5, 8, 12, 18, 27, 40, 59, 87, 128, 188, 276, 405, 594, 871, 1277, 1872, 2744, 4022, 5895, 8640, 12663, 18559, 27200, 39864, 58424, 85625, 125490, 183915, 269541, 395032, 578948, 848490, 1243523, 1822472, 2670963, 3914487, 5736960, 8407924, ...
[ "nonn" ]
A295474
[ 1, 3230, 28539654, 285775341740, 3020260664350790, 32901338385286967000, 3.654365973010463e+23, 4.114133256443603e+27, 4.678061567827041e+31, 5.3600518825917864e+35, 6.178692020351504e+39, 7.157368342030375e+43 ]
[ "nonn" ]
A084006
[ 36, 81, 1089, 4356, 9801, 110889, 443556, 998001, 11108889, 44435556, 99980001, 1111088889, 4444355556, 9999800001, 111110888889, 444443555556, 999998000001, 11111108888889, 44444435555556, 99999980000001 ]
[ "base", "nonn" ]