id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A342817
[ 1, -4, 4, 16, 52, 112, -48, -1984, -11212, -33360, 6224, 713536, 4441872, 13004480, -17374656, -432012032, -2525831628, -6454496208, 21147389392, 326358047552, 1794285832464, 4124461926592, -19727734694848, -263598020446976, -1416694290412784, -3151402998261312 ]
[ "sign" ]
A260487
[ 1, 21, 321, 2612, 4321, 52612, 54321, 352342, 352622, 352641, 354612, 358312, 358611, 652612, 654321, 7352342, 7352622, 7352641, 7354612, 7358312, 7358611, 7652612, 7654321, 27155485, 27351684, 27353616, 27355325, 27457722, 27457741, 27655315, 27851554, ...
[ "nonn", "base", "fini", "full" ]
A358056
[ 1, 1, 2, 4, 8, 20, 48, 216, 576, 1392, 7200, 43200, 184320, 1065600, 4314240, 21611520, 150958080, 573834240, 2293401600, 32107622400, 236017152000, 2798762803200, 22493915136000, 189837914112000, 1165284436377600, 13260174468710400, 148874616963072000 ]
[ "nonn" ]
A063859
[ 1, 3, 8, 46, 790, 37829, 4134939 ]
[ "nonn", "more" ]
A303376
[ 2, 65, 129, 192, 730, 857, 2188, 2251, 2916, 4097, 4224, 6283, 15626, 15753, 16385, 16448, 17113, 17812, 20480, 32009, 46657, 46784, 48843, 63040, 78126, 78189, 78854, 82221, 93750, 117650, 117777, 119836, 124781, 134033, 195774, 262145, 262272...
[ "nonn", "easy" ]
A224737
[ 16, 152, 2961, 180546, 21910274, 6987578401, 4577116826010, 7263975840668720, 24830489629274670000, 1.98126079091642e+23, 3.494153303559934e+27, 1.4126472780046888e+32 ]
[ "nonn" ]
A244211
[ 133946, 213410, 299144, 33845, 367256, 803676, 1214450, 1250446, 1280460, 1704478, 1780150, 1792762, 1794864, 2003070, 2004962, 2203536, 2798489, 3014465, 3027709, 3041998, 3053350, 3194549, 3326301, 4244794 ]
[ "nonn" ]
A310026
[ 1, 3, 5, 8, 11, 13, 15, 19, 22, 24, 28, 30, 31, 34, 39, 43, 45, 45, 48, 51, 55, 60, 59, 61, 64, 69, 73, 75, 75, 77, 83, 86, 88, 87, 91, 96, 101, 103, 103, 103, 108, 115, 115, 118, 117, 121, 126, 131, 133, 132 ]
[ "nonn" ]
A118018
[ 5, 36, 723 ]
[ "nonn", "more", "bref" ]
A267600
[ 554455, 9343439, 923222222329 ]
[ "nonn", "more", "bref", "base" ]
A177190
[ 2, 47, 4999999999999997, 5e+41, 5e+64 ]
[ "nonn" ]
A009552
[ 0, 1, 0, 2, -12, 71, -540, 4780, -48328, 549601, -6944040, 96496894, -1462695300, 24016678583, -424638675188, 8043741624464, -162517240830480, 3488577094105985, -79287238580689870, 1902063885622909700 ]
[ "sign", "easy" ]
A258017
[ 0, 0, 1, 0, 1, 1, 3, 3, 16, 23, 80, 183, 564 ]
[ "nonn", "more" ]
A356767
[ 1518, 2046, 2226, 2262, 2418, 2478, 2618, 2622, 2814, 2838, 2886, 3135, 3927, 4170, 4182, 4386, 4389, 4746, 4785, 4935, 5313, 5394, 5406, 5478, 5565, 5655, 5838, 5874, 6018, 6045, 6222, 6402, 6438, 6474, 6486, 6690, 6699, 6834, 6846, 6882...
[ "nonn", "base" ]
A084716
[ 1, 2, 4, 12, 36, 72, 432, 1296, 2592, 10368, 72576, 508032, 1524096, 12192768, 73156608, 146313216, 438939648, 2633637888, 23702740992, 142216445952, 1991030243328, 37829574623232, 416125320855552, 1664501283422208, 6658005133688832, 126502097540087800 ]
[ "nonn" ]
A379479
[ 7, 13, 19, 28, 31, 37, 43, 46, 55, 61, 67, 68, 69, 79, 91, 97, 103, 106, 109, 127, 131, 139, 146, 151, 163, 166, 175, 181, 193, 199, 200, 223, 229, 241, 251, 261, 271, 277, 283, 301, 307, 313, 323, 325, 331, 337, 344, 346,...
[ "nonn" ]
A253415
[ 2, 4, 5, 5, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 22, 22, 22, 22, 22, 31, 31, ...
[ "nonn" ]
A196246
[ 4, 31, 14, 13, 34, 26, 17, 416, 14, 337, 91, 344, 31, 167, 364, 196, 107, 64, 56, 173, 661, 49, 59, 221, 43, 89, 224, 89, 497, 119, 526, 277, 751, 466, 179, 91, 119, 527, 284, 236, 71, 91, 181, 796, 301, 83, 857, 104, 45...
[ "nonn" ]
A004210
[ 1, 3, 8, 18, 30, 43, 67, 90, 122, 161, 202, 260, 305, 388, 416, 450, 555, 624, 730, 750, 983, 1059, 1159, 1330, 1528, 1645, 1774, 1921, 2140, 2289, 2580, 2632, 2881, 3158, 3304, 3510, 3745, 4086, 4563, 4741, 4928, 5052, 5407, 5864...
[ "easy", "nonn", "nice" ]
A068844
[ 11, 23, 61, 241, 1201, 7207, 504001, 4032029, 36288017, 362880043, 3991680029, 47900160013, 622702080047, 8717829120019, 130767436800073, 2092278988800037, 35568742809600020, 640237370572800000 ]
[ "base", "nonn" ]
A279244
[ 5, 7, 9, 11, 13, 14, 15, 17, 19, 21, 22, 23, 25, 26, 27, 29, 31, 33, 34, 35, 37, 38, 39, 41, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 57, 58, 59, 61, 62, 63, 65, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 79, 8...
[ "nonn" ]
A279995
[ 1, 1, 2, 3, 28, 31, 16, 223, 128, 479, 160, 3967, 3200, 3839, 29952, 25599, 32256, 200703, 221184, 274431, 819200, 2011135, 1327104, 15724543, 14405632, 11714559, 125648896, 109117439, 80707584, 1063583743, 1044250624, 395247615, 7728857088, 41285058...
[ "nonn", "easy" ]
A346372
[ 1, 1, 2, 10, 124, 2396, 64856, 2452472, 124483360, 8146185504, 668645524032, 67374446014272, 8183368905811584, 1179807474740449800, 199266648878034320000, 3.898460114904545e+22, 8.748103140554863e+24, 2.2322746402593718e+27, 6.428054386436029e+29 ]
[ "nonn" ]
A003221
[ 1, 0, 0, 2, 3, 24, 130, 930, 7413, 66752, 667476, 7342290, 88107415, 1145396472, 16035550518, 240533257874, 3848532125865, 65425046139840, 1177650830516968, 22375365779822560, 447507315596451100, 9397653627525472000, 206748379805560400000 ]
[ "nonn", "easy", "nice" ]
A283467
[ 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 3, 4, 5, 4, 5, 5, 5, 6, 6, 6, 6, 8, 6, 8, 8, 8, 8, 8, 10, 8, 9, 10, 10, 10, 11, 11, 10, 11, 11, 11, 12, 12, 12, 12, 12, 16, 10, 14, 14, 12, 14, 16, 14, 14, 16, 14, 16, ...
[ "nonn" ]
A340064
[ 3, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 9, 22, 24, 26, 28, 19, 21, 30, 32, 34, 36, 38, 40, 42, 43, 44, 46, 48, 50, 52, 54, 63, 73, 56, 58, 60, 62, 64, 66, 68, 70, 72, 101, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92,...
[ "base", "nonn" ]
A270982
[ 1, 9, 13, 53, 70, 182, 202, 386, 447, 775, 820, 1288, 1384, 2060, 2189, 3009, 3145, 4294, 4422, 5783, 6019, 7776, 7996, 9937, 10337, 12665, 12941, 15714, 16150, 19367, 19959, 23507, 24127, 28220, 28900, 33501, 34333, 39565, 40397, 45973, ...
[ "nonn", "easy" ]
A164265
[ 4, 7, 19, 28, 64, 91, 199, 280, 604, 847, 1819, 2548, 5464, 7651, 16399, 22960, 49204, 68887, 147619, 206668, 442864, 620011, 1328599, 1860040, 3985804, 5580127, 11957419, 16740388, 35872264, 50221171, 107616799, 150663520, 322850404 ]
[ "nonn", "easy" ]
A279216
[ 1, 1, 7, 25, 86, 269, 862, 2606, 7812, 22704, 64989, 182356, 504414, 1373694, 3693367, 9804435, 25733084, 66808578, 171719539, 437183839, 1103143657, 2760037810, 6850400668, 16873338215, 41260373472, 100196920196, 241712863504, 579416535973, 1380517695672, 3...
[ "nonn" ]
A049024
[ 284, 18416, 9437056, 2181168896, 2.724918040396185e+39 ]
[ "nonn" ]
A213352
[ 1, 22, 264, 12, 2288, 312, 16016, 4368, 91, 96096, 43680, 2730, 512512, 349440, 43680, 560, 2489344, 2376192, 495040, 19040, 11202048, 14257152, 4455360, 342720, 3060, 47297536, 77395968, 33860736, 4341120, 116280, 189190144, 386979840, 225738240, 43...
[ "nonn", "tabl" ]
A169109
[ 1, 48, 2256, 106032, 4983504, 234224688, 11008560336, 517402335792, 24317909782224, 1142941759764528, 53718262708932820, 2524758347319842300, 118663642324032590000, 5.577191189229532e+21, 2.62127985893788e+23 ]
[ "nonn" ]
A351602
[ 1, 16, 81, 272, 625, 1296, 2401, 4352, 6642, 10000, 14641, 22032, 28561, 38416, 50625, 69888, 83521, 106272, 130321, 170000, 194481, 234256, 279841, 352512, 391250, 456976, 538002, 653072, 707281, 810000, 923521, 1118208, 1185921, 1336336, 1500625,...
[ "nonn", "mult" ]
A030205
[ 1, -2, -1, 2, 1, 0, 2, 2, -6, -4, -4, 6, 1, 4, 6, -4, 0, -2, 2, -4, 6, -10, -1, -6, -3, 12, -6, 0, 8, 12, 2, 2, -2, 2, -12, -12, 2, -2, 0, 8, -11, 6, 6, -12, -6, 4, 8, 4, 2, 0, 6, 14, 4, -6, 2, -4, -6, ...
[ "sign" ]
A301231
[ 1, 4, 12, 20, 41, 61, 84, 119, 146, 197, 250, 285, 338, 410, 477, 546, 620, 699, 785, 852, 960, 1078, 1162, 1276, 1375, 1504, 1640, 1762, 1897, 2019, 2145, 2324, 2487, 2621, 2796, 2935, 3109, 3315, 3489, 3681, 3831, 4030, 4283, 44...
[ "nonn" ]
A103153
[ 0, 0, 0, 3, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 7, 5, 3, 3, 5, 5, 3, 7, 3, 3, 5, 3, 7, 5, 3, 7, 5, 3, 3, 5, 5, 3, 7, 3, 3, 5, 5, 3, 7, 3, 19, 5, 3, 7, 5, 11, 3, 11, 3, 3, 5, 3, 3, 5, 3, 7, 5, 11, 7,...
[ "nonn" ]
A018170
[ 1, 2, 4, 6, 11, 19, 35, 62, 112, 201, 361, 651, 1173, 2113, 3807, 6859, 12360, 22273, 40135, 72321, 130321, 234837, 423171, 762547, 1374097, 2476099, 4461889, 8040249, 14488392, 26107837, 47045881, 84775884 ]
[ "nonn" ]
A308178
[ 0, 1, 2, 3, 3, 0, 4, 1, 5, 5, 2, 4, 6, 7, 0, 2, 7, 4, 1, 3, 8, 5, 2, 4, 1, 9, 6, 3, 0, 2, 10, 11, 7, 1, 3, 6, 11, 8, 10, 9, 4, 5, 12, 9, 6, 8, 0, 10, 7, 13, 10, 12, 5, 6, 11, 8, 14, 15, 8, 7, 9, ...
[ "nonn", "tabf" ]
A233472
[ 1, 2, 1, 72, 12, 12, 43200, 3600, 1440, 2160, 423360000, 21168000, 4704000, 3024000, 6048000, 67212633600000, 2240421120000, 320060160000, 120022560000, 106686720000, 266716800000, 172153600393420800000, 4098895247462400000 ]
[ "nonn", "frac", "tabl", "look" ]
A357447
[ 1, 1, 4, 9, 44, 188, 1258, 8917, 75630, 680055, 6496848, 63963867, 644968468, 6606598953 ]
[ "nonn", "more" ]
A258779
[ 1, 2, -5, -10, 9, 14, -10, 0, 14, 2, -11, -32, 0, 14, -9, 26, 2, 0, 16, -22, 14, 0, 0, 26, -17, -32, -22, -10, -34, 14, 45, 38, 0, -34, 38, -22, 2, 0, -10, 64, -20, 0, 0, 0, -23, -46, 16, 0, -46, -32, 26, -10, 25...
[ "sign" ]
A107109
[ 7, 89, 983, 9941, 99929, 999931, 9999929, 99999827, 999999739, 9999999769, 99999999763, 999999999697, 9999999999443, 99999999999503, 999999999999353, 9999999999999432, 99999999999999250, 999999999999999500, 10000000000000000000, 100000000000000000000 ]
[ "nonn", "base" ]
A231688
[ 0, 1, 9, 36, 100, 225, 441, 784, 1296, 2025, 2026, 2034, 2061, 2125, 2250, 2466, 2809, 3321, 4050, 5050, 5058, 5085, 5149, 5274, 5490, 5833, 6345, 7074, 8074, 9405, 9432, 9496, 9621, 9837, 10180, 10692, 11421, 12421, 13752, 15480, 15544...
[ "nonn", "base" ]
A245666
[ 1, 100, 5941, 275705, 11110464, 410474625, 14353045401, 484748595081, 16029615164446, 523952747921310, 17044414451764396, 554568496974014600, 18113988555378975000, 595604303387826700000, 1.9755504320385395e+22, 6.62039152774865e+23 ]
[ "nonn" ]
A354498
[ 1, 2, 8, 47, 354, 3277, 36506, 490983, 8301353 ]
[ "nonn", "more" ]
A116716
[ 1, 2, 5, 12, 26, 58, 131, 295, 662, 1487, 3342, 7510, 16874, 37915, 85195, 191432, 430143, 966522, 2171756, 4879892, 10965017, 24638169, 55361464, 124396081, 279515456, 628065528, 1411250432, 3171050937, 7125286777, 16010374058, 35974983957, 80835055196 ...
[ "nonn", "easy" ]
A107329
[ 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0...
[ "easy", "nonn", "look", "tabl" ]
A210550
[ 1, 2, 2, 2, 6, 4, 2, 7, 16, 8, 2, 7, 23, 40, 16, 2, 7, 24, 71, 96, 32, 2, 7, 24, 81, 207, 224, 64, 2, 7, 24, 82, 266, 575, 512, 128, 2, 7, 24, 82, 279, 843, 1535, 1152, 256, 2, 7, 24, 82, 280, 939, 2572, 3967, ...
[ "nonn", "tabl" ]
A055350
[ 8, 220, 4200, 71400, 1176000, 19474560, 330220800, 5787936000, 105380352000, 1997835840000, 39477236198400, 813155511168000, 17453093898240000, 390070546145280000, 9070029416448000000, 219204470936715260000 ]
[ "nonn" ]
A068514
[ 1, 2, 4, 6, 10, 12, 20, 28, 40, 70, 72, 84, 90, 140, 198, 220, 252, 264, 308, 504, 572, 728, 858, 924, 1092, 1560, 1716, 1820, 1848, 2520, 2860, 3432, 3960, 4420, 4760, 5304, 6120, 6864, 8976, 9724, 12870, 12920, 14586, 15504, 1...
[ "nonn" ]
A346394
[ 0, 1, 5, 20, 78, 324, 1520, 8336, 53872, 405600, 3492416, 33798016, 362543104, 4264455168, 54540715008, 753246711808, 11168972683264, 176937613586432, 2982069587042304, 53271637651996670, 1005385746384846800, 19987620914387812000, 417489079682758200000 ]
[ "nonn" ]
A364895
[ 0, 2, 3, 2, 9, 2, 3, 7, 4, 7, 6, 5, 6, 2, 2, 8, 0, 9, 3, 3, 7, 5, 9, 5, 5, 5, 9, 0, 4, 9, 2, 8, 4, 1, 2, 7, 4, 5, 2, 5, 0, 6, 4, 4, 1, 2, 4, 5, 9, 5, 3, 3, 9, 2, 9, 6, 1, 1, 5, 5, 1, 7, 9, 6...
[ "nonn", "cons" ]
A221126
[ 1, 21, 200, 1950, 19005, 185164, 1803949, 17574675, 171218008, 1668058947, 16250746331, 158319795778, 1542400400537, 15026541578483, 146393213915408, 1426207951308175, 13894558811577568, 135365087812821460 ]
[ "nonn" ]
A018112
[ 1, 2, 5, 11, 23, 50, 110, 242, 529, 1158, 2537, 5556, 12167, 26645, 58351, 127785, 279841, 612835, 1342070, 2939052, 6436343, 14095197, 30867617, 67598188, 148035889, 324189523, 709955183, 1554758333 ]
[ "nonn" ]
A244660
[ 11142, 11553, 14088, 16713, 18801, 22284, 23097, 23718, 26787, 28818, 323589, 327939, 328992, 416103, 438357, 459069, 502149, 595194, 617928, 647178, 656457, 665853, 677019, 682230, 747099, 767748, 775782, 799233, 813861, 832986, 847266, 855897, 858648...
[ "nonn", "base" ]
A022918
[ 1, 5, 10010, 1455680976750, 4.492014649431378e+27, 1.2858860533504246e+53 ]
[ "nonn" ]
A068053
[ 1, 11, 1111, 1110111, 11100000111, 1110011111100111, 1.1100100011110002e+21, 1.11001011011e+28, 1.1100101010101012e+36, 1.110010100100111e+45 ]
[ "nonn", "base" ]
A274317
[ 3, 1, 6, 2, 9, 7, 5, 4, 15, 17, 12, 19, 18, 21, 8, 10, 23, 22, 11, 14, 13, 31, 33, 35, 36, 16, 34, 41, 43, 42, 38, 40, 45, 47, 27, 20, 52, 49, 54, 50, 57, 46, 59, 58, 24, 55, 63, 56, 26, 65, 25, 71, 73, 67, 2...
[ "nonn" ]
A032756
[ 2173053503712, 2343670763432, 2887988897882, 3032556552303, 4613275723164, 4667854587664, 6905463645096, 6961808081696, 9426499946249, 32470599507423, 39267522576293, 64370766707346, 84547966974548 ]
[ "nonn", "base" ]
A364872
[ 2, 1, 2, 2, 5, 95, 137447, 19092121105, 1.4566542541137773e+21, 8.728918703159964e+42 ]
[ "nonn", "cofr", "changed" ]
A136721
[ 11, 17, 107, 197, 827, 1487, 1877, 2087, 3257, 3467, 5657, 9437, 13007, 15647, 15737, 16067, 18047, 18917, 19427, 21017, 22277, 25307, 31727, 34847, 43787, 51347, 55337, 62987, 67217, 69497, 72227, 77267, 79697, 81047, 82727, 88817, 97847 ]
[ "easy", "nonn" ]
A039927
[ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 2, 1, 2, 1, 4, 1, 1, 1 ]
[ "nonn", "nice", "more" ]
A191458
[ 17, 41, 1761702947, 8776320587, 10102729577, 11085833111, 177558051107, 273373448057, 473787509537, 557149355507, 715464238661, 1359854730821, 2131528031441, 2170341748697, 2236159108277, 2308235320997, 2751203698151, 3247566894821, 3288002848511, 3424305123047 ]
[ "nonn" ]
A132287
[ 3, 5, 7, 101, 131, 151, 181, 283, 293, 313, 353, 647, 677, 727, 829, 839, 859, 9091, 9391, 9491, 9791, 10301, 10501, 10601, 11311, 11411, 11821, 12421, 12721, 13331, 13841, 14341, 14551, 14851, 14951, 15451, 15461, 15661, 15761, 16061, ...
[ "base", "nonn" ]
A348297
[ 1, 3, 8, 9, 9, 9, 5, 9, 7, 1, 3, 9, 7, 6, 4, 6, 4, 0, 0, 2, 2, 0, 5, 5, 9, 8, 3, 8, 2, 1, 8, 2, 0, 2, 5, 0, 3, 0, 9, 1, 9, 7, 9, 1, 1, 8, 8, 9, 7, 3, 6, 4, 0, 6, 1, 1, 5, 1, 0, 1, 7, 5, 8, 2...
[ "nonn", "cons" ]
A085176
[ 1, 2, 3, 4, 5, 8, 6, 7, 13, 22, 9, 10, 18, 36, 64, 11, 12, 21, 50, 106, 196, 14, 15, 27, 59, 148, 328, 625, 16, 17, 32, 63, 176, 460, 1054, 2055, 19, 20, 35, 78, 190, 550, 1483, 3485, 6917, 23, 24, 41, 92, 195, 598, ...
[ "nonn", "tabl" ]
A337748
[ 1, 1, 3, 1, 7, 10, 1, 17, 56, 30, 1, 43, 353, 418, 82, 1, 111, 2374, 7100, 3091, 226, 1, 289, 16497, 129644, 142624, 22845, 615, 1, 762, 116759, 2448436, 7078315, 2864677, 168803, 1673, 1, 2021, 835695, 47104189, 363380155, 386462913,...
[ "nonn", "tabl" ]
A321029
[ 1, 1, 1, 2, 1, 1, 2, 4, 3, 1, 6, 2, 8, 2, 1, 8, 12, 3, 14, 2, 2, 6, 18, 4, 5, 8, 9, 4, 24, 1, 26, 16, 6, 12, 2, 6, 32, 14, 8, 4, 36, 2, 38, 12, 3, 18, 42, 8, 14, 5, 12, 16, 48, 9, 6, 8, 14, 24, 54, ...
[ "nonn", "mult" ]
A139080
[ 1, 2, 4, 8, 3, 6, 12, 5, 10, 20, 7, 14, 28, 11, 22, 9, 18, 36, 13, 26, 52, 19, 38, 15, 30, 60, 21, 42, 16, 32, 64, 23, 46, 17, 34, 68, 24, 48, 96, 33, 66, 25, 50, 100, 35, 70, 27, 54, 108, 37, 74, 29, 58, 116, ...
[ "nonn", "look" ]
A301814
[ 0, 3, 7, 6, 2, 5, 4, 9, 2, 0, 4, 8, 2, 6, 0, 4, 3, 2, 6, 4, 9, 9, 4, 3, 7, 2, 7, 2, 8, 9, 7, 8, 7, 6, 2, 2, 4, 8, 5, 4, 4, 7, 6, 7, 9, 0, 6, 0, 4, 4, 5, 1, 9, 7, 0, 8, 6, 6, 4, 8, 5, 1, 3, 0...
[ "nonn", "cons" ]
A094337
[ 0, 1, 4, 1, 617, 112, 845, 25376, 2985, 314, 1597052, 138874, 1173486218, 63368255819, 4370224539, 281949970, 5377913733006, 376453961310474, 7345939461247630, 572983277977315200, 27950403803771470, 1300018781570766 ]
[ "nonn" ]
A122243
[ 101010, 11110000, 1110010100, 111010100100, 11101001110000, 1111001010011000, 111100100101110000, 11101100101001011000, 1.1101100100110111e+21, 1.1110011100100011e+23 ]
[ "nonn", "base" ]
A234980
[ 9962574, 5681668040, 2917193420904, 1752801119273172, 1047618966093964200, 640221005793748700000, 3.921068564477782e+23, 2.4125573535410338e+26, 1.4864551522638604e+29 ]
[ "nonn" ]
A085056
[ 1, 1, 1, 2, 2, 2, 2, 8, 24, 24, 24, 48, 48, 48, 48, 384, 384, 1152, 1152, 2304, 2304, 2304, 2304, 9216, 46080, 46080, 414720, 829440, 829440, 829440, 829440, 13271040, 13271040, 13271040, 13271040, 79626240, 79626240, 79626240, 79626240 ]
[ "nonn" ]
A380413
[ 0, 1, 11, 14, 39, 53, 109, 179, 222, 240, 251, 319, 337, 481, 505, 508, 578, 664, 674, 738, 818, 835, 877, 905, 933, 1041, 1069, 1098, 1325, 1352, 1392, 1535, 1539, 1567, 1652, 1663, 1732, 1817, 1849, 1960, 2134, 2148, 2158, 2220,...
[ "nonn" ]
A360974
[ 1, 2, 18, 260, 4890, 110124, 2844772, 82196424, 2613699450, 90450874860, 3379153837180, 135445714293720, 5796441493971284, 263784018974675420, 12721572505160774000, 648250134428292600000, 3.4809708051186913e+22, 1.9650401801854732e+24, 1.1635982375520451e+26 ]
[ "nonn" ]
A363306
[ 1, 2, 5, 12, 30, 79, 217, 615, 1789, 5315, 16054, 49139, 152056, 474825, 1494245, 4733780, 15084326, 48314504, 155459331, 502270013, 1628784446, 5299630868, 17296306669, 56607473796, 185740962586, 610896675767, 2013615610286, 6650666759129, 22007563999578 ]
[ "nonn" ]
A298848
[ 1, 0, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 3, 2, 5, 4, 3, 4, 13, 11, 15, 20, 23, 34, 52, 49, 97, 118, 164, 192, 296, 330, 525, 745, 825, 1354, 1820, 1994, 3356, 4605, 5543, 8335, 12319, 13124, 21133, 28634, 33209, 51272, 71154,...
[ "nonn" ]
A077348
[ 1, 5, 15, 6, 18, 19, 2, 7, 20, 21, 23, 24, 71, 72, 73, 8, 25, 26, 78, 79, 80, 27, 28, 84, 85, 86, 87, 88, 9, 29, 90, 91, 92, 93, 94, 283, 3, 30, 31, 95, 96, 97, 98, 99, 300, 10, 32, 33, 100, 101, 102, 103, 104, ...
[ "base", "easy", "nonn", "tabl" ]
A067648
[ 0, 2, 0, 2, 4, 12, 60, 226, 1076, 5156, 24984, 128548, 663040, 3514968, 18918792, 103123906, 569877652, 3180066004, 17921451960, 101842206548, 583109887600, 3361640932872, 19499226668816 ]
[ "nonn" ]
A214073
[ 1, 3, 1, 15, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 2, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 2, 5, 1, 5, 1, 3, 1, 3, 1, 3, 1, 5, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 1, 1, 3, 3, 3, 1, 3, 1, 3, 1, ...
[ "nonn", "easy" ]
A008302
[ 1, 1, 1, 1, 2, 2, 1, 1, 3, 5, 6, 5, 3, 1, 1, 4, 9, 15, 20, 22, 20, 15, 9, 4, 1, 1, 5, 14, 29, 49, 71, 90, 101, 101, 90, 71, 49, 29, 14, 5, 1, 1, 6, 20, 49, 98, 169, 259, 359, 455, 531, 573, 573, 531, 455, 3...
[ "easy", "tabf", "nonn", "nice", "look" ]
A329337
[ 0, 1, 1, 1, 1, 40, 1, 3, 2, 1, 2, 23, 1, 13, 1, 8, 1, 15, 2, 3, 103, 4, 10, 4, 2, 2, 2, 1, 1, 84, 1, 4, 1, 3, 1, 1, 5, 1, 7, 23, 8, 1, 8, 24, 1, 1, 2, 12, 39, 14, 19, 3, 4, 8, 3, 2, 1, 4, 1, 8, 1,...
[ "nonn", "cofr" ]
A047260
[ 0, 1, 4, 5, 6, 7, 10, 11, 12, 13, 16, 17, 18, 19, 22, 23, 24, 25, 28, 29, 30, 31, 34, 35, 36, 37, 40, 41, 42, 43, 46, 47, 48, 49, 52, 53, 54, 55, 58, 59, 60, 61, 64, 65, 66, 67, 70, 71, 72, 73, 76, 77, 78, 79, ...
[ "nonn", "easy" ]
A257245
[ 2, 3, 3, 3, 3, 5, 5, 3, 3, 5, 7, 7, 7, 3, 19, 7, 5, 5, 7, 5, 19, 11, 13, 13, 23, 13, 11, 11, 61, 31, 13, 19, 43, 13, 7, 5, 61, 31, 23, 127, 7, 151, 19, 181, 13, 43, 31, 233, 13, 13, 7, 11, 19, 31, 59, 31, ...
[ "nonn" ]
A091265
[ 2, 5, 3, 13, 11, 7, 29, 23, 19, 17, 47, 43, 41, 37, 31, 73, 71, 67, 61, 59, 53, 107, 103, 101, 97, 89, 83, 79, 151, 149, 139, 137, 131, 127, 113, 109, 197, 193, 191, 181, 179, 173, 167, 163, 157, 257, 251, 241, 239, 23...
[ "easy", "nonn" ]
A390095
[ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0...
[ "nonn", "base", "cons" ]
A048799
[ 1, 0, 9, 3, 1, 7, 0, 4, 5, 9, 1, 9, 5, 4, 9, 0, 8, 9, 3, 9, 6, 8, 2, 0, 1, 3, 7, 0, 1, 4, 5, 2, 0, 8, 3, 2, 5, 6, 8, 9, 5, 9, 2, 1, 6, 7, 8, 9, 1, 1, 5, 4, 5, 1, 9, 0, 6, 9, 1, 9, 6, 7, 2, 1...
[ "nonn", "cons" ]
A340698
[ 1, 2, 4, 5, 6, 9, 10, 11, 12, 13, 14, 17, 18, 19, 21, 23, 24, 25, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 38, 39, 40, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 59, 62, 63, 64, 65, 66, 67, 69, 70, ...
[ "nonn" ]
A132479
[ 1, 5, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296, 8589934592 ]
[ "nonn", "easy" ]
A335874
[ 2, 5, 11, 13, 23, 47, 61, 191, 223, 383, 991, 3583, 3967, 6143, 16381, 63487, 253951, 262111, 786431, 917503, 1048447, 1048573, 4194271, 14680063, 16777183, 67108351, 260046847, 3758096383, 4261412863, 51539607551, 68718952447, 266287972351, 8246337208...
[ "nonn" ]
A226343
[ 5, 67, 193, 480, 972, 1736, 2962, 4733, 7063, 10319, 14629, 19869, 26785, 35285, 45069, 57543, 72439, 89195, 109721, 133257, 159325, 190665, 226371, 264885, 309905, 360889, 415399, 478479, 548675, 622131, 707461, 800841, 898901 ]
[ "nonn" ]
A104661
[ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, ...
[ "dead" ]
A316476
[ 1, 2, 3, 4, 5, 7, 8, 9, 11, 13, 15, 16, 17, 19, 23, 25, 27, 29, 31, 32, 33, 35, 37, 41, 43, 45, 47, 49, 51, 53, 55, 59, 61, 64, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 89, 91, 93, 95, 97, 99, 101, 103, 107, 109...
[ "nonn" ]
A049064
[ 0, 10, 1110, 11110, 100110, 1110010110, 111100111010110, 100110011110111000000, 1.110010110010011e+30, 1.1110011101011002e+45, 1.0011001111011101e+66 ]
[ "base", "easy", "nice", "nonn" ]
A379854
[ 0, 1, 2, 3, 4, -4, -3, -2, -1, 7, 6, 5, 13, 12, 11, 10, 9, 8, 16, -11, -10, -9, -8, -7, -6, -5, -13, -12, 15, 14, 22, 21, 20, 19, 18, 17, 25, 24, 23, 31, 30, 29, 28, 27, 26, 34, -30, -22, -14, -15, -16, -17, -18,...
[ "sign" ]
A142168
[ 211, 367, 523, 601, 757, 991, 1069, 1303, 1381, 1459, 1693, 2083, 2161, 2239, 2473, 2551, 2707, 3019, 3253, 3331, 3643, 3877, 4111, 4423, 4657, 4813, 4969, 5281, 5437, 5749, 5827, 6217, 6373, 6451, 6529, 6607, 6763, 6841, 6997, 7309, 76...
[ "nonn", "easy" ]
A133623
[ 0, 0, 2, 3, 1, 0, 1, 5, 4, 6, 1, 11, 1, 8, 6, 9, 1, 16, 1, 11, 8, 12, 1, 21, 1, 14, 10, 15, 1, 26, 1, 17, 12, 18, 1, 31, 1, 20, 14, 21, 1, 36, 1, 23, 16, 24, 1, 41, 1, 26, 18, 27, 1, 46, 1, 29, 20, 30, ...
[ "nonn", "easy" ]
A137088
[ 6, 26, 826, 876, 8876, 28876, 873626, 2763626, 8736626, 28866376, 28873626, 82363626, 88788326, 276366376, 823277826, 873366376, 7888386326, 8286366326, 27888866376, 28868267826, 62238788326, 62267678826, 277266773826, 278723273826, 288663683876, 823636672826, 823...
[ "base", "nonn" ]
A312540
[ 1, 4, 8, 14, 18, 24, 27, 34, 38, 40, 42, 52, 53, 64, 62, 72, 72, 84, 76, 90, 88, 96, 100, 110, 109, 118, 122, 120, 128, 134, 135, 144, 146, 152, 158, 168, 156, 174, 172, 180, 182, 194, 187, 202, 204, 202, 212, 218, 217, ...
[ "nonn" ]