id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A161522
[ 2, 3, 10, 21, 66, 91, 170, 209, 322, 551, 620, 925, 1148, 1247, 1504, 1961, 2478, 2623, 3216, 3621, 3796, 4503, 4980, 5785, 6984, 7575, 7828, 8453, 8720, 9379, 12192, 12969, 14248, 14595, 16986, 17365, 18840, 20375, 21376, 23009, 24702,...
[ "nonn" ]
A335514
[ 0, 0, 0, 0, 0, 0, 1, 4, 14, 42, 114, 292, 714, 1686, 3871, 8696, 19178, 41667, 89386, 189739, 399144, 833290, 1728374, 3565148, 7319212, 14965880, 30496302, 61961380, 125577752, 253971555, 512716564, 1033496947, 2080572090, 4183940550, 8406047907, ...
[ "nonn" ]
A358485
[ 1, 0, 6, 332, 36000, 6313388, 1765146660, 731664377274 ]
[ "nonn", "hard", "more" ]
A297231
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0...
[ "nonn", "base", "easy" ]
A065322
[ 10911, 11901, 20910, 21900, 1009520, 1009601, 1019420, 1019501, 1029320, 1029401, 1039220, 1049120, 1049201, 1059020, 1059101, 1069001, 1108391, 1109510, 1118291, 1119410, 1128191, 1129310, 1138091, 1139210, 1149110 ]
[ "base", "nonn" ]
A082962
[ 0, 1, 2, 7, 9, 25, 84, 109, 302, 1015, 1317, 3649, 12264, 15913, 44090, 148183, 192273, 532729, 1790460, 2323189, 6436838, 21633703, 28070541, 77774785, 261394896, 339169681, 939734258, 3158372455, 4098106713, 11354585881, 38161864356 ]
[ "nonn", "frac", "easy" ]
A106647
[ 1, 1, 2, 3, 3, 5, 4, 7, 5, 9, 11, 11, 12, 13, 13, 15, 14, 17, 15, 19, 21, 21, 22, 23, 23, 25, 24, 27, 25, 29, 31, 31, 32, 33, 33, 35, 34, 37, 35, 39, 31, 31, 32, 33, 33, 35, 34, 37, 35, 39, 51, 51, 52, 53, 53...
[ "nonn", "base" ]
A149535
[ 1, 1, 5, 13, 49, 177, 667, 2511, 10009, 39187, 156459, 634903, 2578455, 10525071, 43487445, 179765607, 746023615, 3116227327, 13044713059, 54722046417, 230545171841, 973437088031, 4116481663109, 17457438135903, 74188415108391, 315652759794699, 1345745654222837, ...
[ "nonn", "walk" ]
A358113
[ 1, 12, 132, 1200, 5220, -132048, -5451376, -139104576, -3034129500, -61171843920, -1176294856176, -21916435874112, -399241706218992, -7151078337480000, -126420386691188160, -2211675290036790500, -38363623542890190000, -660751288131343200000, -1.1312478475520481e+22 ]
[ "sign" ]
A037017
[ 1.6323737455275582e+21, 1.6323737455275582e+21, 1.6323737455275582e+21, 1.6323737455275582e+21, 1.6323737455275582e+21, 1.6323737455275582e+21, 1.6323737455275582e+21, 1.6323737455275582e+21, 1.6323737455275582e+21 ]
[ "fini", "full", "nonn" ]
A294361
[ 1, 1, 7, 43, 409, 3841, 50431, 648187, 10347793, 170363809, 3200390551, 62855417131, 1371594161257, 31147757782753, 768384638386639, 19814802390611132, 545309251861956030, 15661899520801954000, 475833949719419500000, 1.5042718034104689e+22 ]
[ "nonn", "easy" ]
A217557
[ 0, 127, 62, 189, 28, 155, 90, 217, 8, 135, 70, 197, 36, 163, 98, 225, -8, 119, 54, 181, 20, 147, 82, 209, 0, 127, 62, 189, 28, 155, 90, 217, -28, 99, 34, 161, 0, 127, 62, 189, -20, 107, 42, 169, 8, 135, 70, 197, -36, 9...
[ "sign", "base", "fini", "full" ]
A369656
[ 6, 10, 22, 27, 30, 34, 42, 50, 58, 66, 70, 78, 82, 86, 99, 105, 114, 118, 122, 125, 126, 130, 142, 146, 154, 165, 174, 182, 194, 202, 206, 207, 214, 222, 230, 231, 238, 242, 243, 246, 250, 255, 273, 274, 279, 282, 285, 286...
[ "nonn" ]
A144364
[ 1, 11, 31, 53, 331, 377, 983, 1499, 2609, 3329, 6637, 6997, 19937, 34987, 157961, 173699, 256661, 1349923, 1616359, 1993333, 2199833, 5794969, 6906869, 12204431, 14223073, 20666551, 168499997, 4819002127, 7331752277, 8259275501, 27017515331, 27581017543 ...
[ "base", "nonn" ]
A063833
[ 1, 4, 5, 6, 13, 14, 20, 66, 91, 124, 212, 282, 460 ]
[ "nonn", "fini", "full" ]
A318954
[ 1, 2, 3, 5, 7, 6, 13, 10, 19, 14, 29, 15, 37, 26, 21, 34, 53, 33, 61, 35, 39, 58, 79, 30, 89, 74, 57, 65, 107, 42, 113, 85, 87, 106, 91, 66, 151, 122, 111, 70, 173, 78, 181, 145, 129, 158, 199, 102, 223, 161, 159, ...
[ "nonn" ]
A177601
[ 1, 20, 1477, 263978, 93489715, 57920130894, 57577729726875, 86198179666698830, 185132216218421070000, 5.489868404523189e+23 ]
[ "nonn" ]
A283270
[ 3, 7, 6, 5, 4, 4, 4, 14, 11, 9, 6, 8, 4, 6, 5, 8, 8, 15, 8, 10, 19, 9, 20, 4, 8, 4, 11, 10, 16, 8, 11, 11, 6, 16, 5, 17, 11, 8, 12, 8, 12, 12, 7, 8, 8, 5, 6, 11, 11, 8, 5, 4, 14, 6, 19, 16, 14, 4, 20,...
[ "nonn" ]
A072935
[ 2, 7, 23, 31, 47, 71, 73, 79, 89, 103, 127, 151, 167, 191, 199, 223, 233, 239, 263, 271 ]
[ "dead" ]
A118487
[ 2, 1, 3, 1, 4, 3, 2, 2, 4, 3, 3, 4, 3, 2, 3, 3, 4, 3, 3, 2, 4, 4, 3, 4, 3, 3, 3, 3, 4, 3, 2, 2, 4, 3, 3, 4, 3, 2, 3, 3, 4, 3, 3, 2, 4, 4, 3, 4, 3, 2, 3, 3, 4, 3, 3, 3, 4, 3, 3, 4, 3, 2, 3, 3...
[ "easy", "nonn" ]
A369649
[ 1, 2, 8, 9, 32, 240, 30272, 510720, 223635968, 6469693440, 6470203776, 200560520192, 200793823232, 304250487160832, 13082767811575808, 13090182069805056, 32602248665739756000, 1.9559647100916856e+21, 1.1728900933195111e+23, 5.579408627158649e+26, 5.580581191229556e+26, 4.07...
[ "nonn" ]
A266909
[ 1, 2, 0, 1, 0, 2, 0, 0, 3, 1, 0, 4, 0, 0, 1, 0, 1, 2, 0, 0, 0, 2, 0, 1, 0, 0, 1, 1, 0, 0, 1, 2, 0, 0, 3, 0, 1, 0, 1, 2, 3, 1, 0, 0, 0, 4, 0, 0, 1, 0, 1, 0, 3, 4, 1, 0, 7, 2, 0, 0, 1, 0, 0, 2...
[ "nonn", "tabf" ]
A315655
[ 1, 6, 12, 16, 22, 28, 34, 40, 46, 50, 56, 62, 68, 74, 78, 84, 90, 96, 102, 108, 112, 118, 124, 130, 136, 140, 146, 152, 158, 164, 170, 174, 180, 186, 192, 198, 202, 208, 214, 220, 226, 232, 236, 242, 248, 254, 260, 264, ...
[ "nonn" ]
A133719
[ 1, 22, 226, 1371, 5901, 20097, 57813, 146427, 335742, 710677, 1408693, 2643004, 4732728, 8141238, 13524078, 21787914, 34162095, 52284504, 78303484, 114997729, 165916135, 235539711, 329467755, 454630605, 619531380, 834519231 ]
[ "nonn" ]
A227269
[ 2, 3, 3, 4, 8, 4, 5, 16, 16, 5, 6, 30, 49, 30, 6, 7, 54, 132, 132, 54, 7, 8, 93, 341, 513, 341, 93, 8, 9, 153, 836, 1949, 1949, 836, 153, 9, 10, 241, 1934, 7131, 10906, 7131, 1934, 241, 10, 11, 365, 4232, 24496, 59952,...
[ "nonn", "tabl" ]
A161854
[ 251, 433, 521, 1279, 1297, 1439, 1493, 2179, 2447, 2719, 2791, 2917, 2971, 3491, 4139, 4391, 4931, 5689, 5869, 7129, 7219, 9127, 9341, 9413, 9431, 9721, 12671, 12689, 12799, 12979, 15767, 16127, 16217, 16829, 17299, 17657, 17929, 18269 ]
[ "nonn", "base" ]
A173006
[ 1, 1, 1, 1, 11, 1, 1, 120, 120, 1, 1, 1309, 14280, 1309, 1, 1, 14279, 1699201, 1699201, 14279, 1, 1, 155760, 202190640, 2205562898, 202190640, 155760, 1, 1, 1699081, 24058986960, 2862818956682, 2862818956682, 24058986960, 1699081, 1, 1 ]
[ "nonn", "tabl", "uned" ]
A111682
[ 1, 76, 16416, 6798016, 4551356800, 4470007597056, 6043460975190016, 10752691472850928000, 2.434300550362222e+22, 6.830931133540136e+25, 2.32660170298374e+29, 9.454350626252156e+32, 4.518267167605818e+36 ]
[ "nonn" ]
A383827
[ 1, 1, 3, 3, 9, 14, 37, 68, 156, 318, 685, 1362, 2664, 4645, 7306, 9594, 10016, 7605, 4130, 1539, 444, 86, 16, 1, 1 ]
[ "nonn", "fini", "full" ]
A264666
[ 2, 2, 6, 2, 10, 30, 2, 10, 30, 210, 2, 10, 30, 330, 2310, 2, 10, 130, 390, 4290, 30030, 2, 34, 170, 2210, 6630, 72930, 510510, 2, 34, 170, 2210, 6630, 125970, 1385670, 9699690, 2, 34, 170, 2210, 6630, 125970, 1385670, 9699690, 2...
[ "nonn", "tabl" ]
A212637
[ 0, 1, 1, 1, 1, 2, 4, 3, 2, 6, 1, 1, 3, 1, 2, 7, 5, 11, 16, 2, 3, 2, 4, 4, 11, 6, 4, 33, 1, 12, 18, 3, 20, 5, 38, 17, 2, 1, 18, 3, 14, 26, 11, 14, 63, 3, 2, 13, 110, 44, 34, 1, 22, 44, 114, 37, 43, 39, ...
[ "nonn" ]
A307823
[ 0, 5, 75, 812, 8079, 81052, 808477, 8097357, 80939927, 809350234 ]
[ "nonn", "more" ]
A252369
[ 130, 152, 152, 282, 276, 282, 658, 834, 834, 658, 1482, 2338, 3054, 2338, 1482, 3188, 6298, 10450, 10450, 6298, 3188, 6954, 17340, 36078, 45516, 36078, 17340, 6954, 15432, 48034, 124538, 192946, 192946, 124538, 48034, 15432, 34120, 132168, ...
[ "nonn", "tabl" ]
A083797
[ 1, 1, 3, 6, 14, 30, 39, 28, 804, 1620, 2465, 15048, 27642, 138502, 360255, 360120, 720584, 8648478, 12252069, 208287880, 232792350, 232792098, 232792307, 2327925312, 5354228580, 16062686250, 26771144049, 26771143896, 80313432794 ]
[ "nonn" ]
A110164
[ 1, -2, 3, -6, 12, -24, 48, -96, 192, -384, 768, -1536, 3072, -6144, 12288, -24576, 49152, -98304, 196608, -393216, 786432, -1572864, 3145728, -6291456, 12582912, -25165824, 50331648, -100663296, 201326592, -402653184, 805306368, -1610612736, 3221225472...
[ "easy", "sign" ]
A288163
[ 1, 1, 5, 84, 4004, 494760, 150120600, 107969547840, 179605731622464, 678695382464158100, 5.745964983105758e+21, 1.077981428042813e+26, 4.4413629307233373e+30, 3.9885483698093876e+35, 7.757683309684779e+40 ]
[ "nonn" ]
A256785
[ 1, 5, 11, 14, 20, 21, 22, 23, 26, 29, 30, 31, 33, 34, 38, 39, 40, 41, 45, 46, 51, 52, 53, 56, 57, 58, 60, 61, 65, 69, 70, 71, 74, 78, 79, 83, 84, 85, 87, 88, 89, 90, 91, 95, 101, 105, 106, 110, 111, 112, 113, 116, ...
[ "nonn", "base" ]
A228007
[ 9, 96, 963, 9632, 96325, 963252, 6480005 ]
[ "nonn", "base", "fini", "full" ]
A334531
[ 55, 185, 205, 222, 246, 438, 623, 822, 973, 1503, 1939, 2359, 2471, 3126, 3205, 3462, 3573, 3661, 3771, 3846, 4711, 5877, 5949, 6093, 6198, 6655, 6918, 7083, 7550, 7931, 8151, 8170, 9567, 9863, 10265, 10683, 11241, 12280, 12318, 12486, ...
[ "nonn", "base" ]
A177187
[ 1, 1, 9, 8, 71, 63, 559, 496, 4401, 3905, 34649, 30744, 272791, 242047, 2147679, 1905632, 16908641, 15003009, 133121449, 118118440, 1048062951, 929944511, 8251382159, 7321437648, 64962994321, 57641556673, 511452572409, 453811015736, 4026657584951, 3572846569...
[ "nonn", "easy" ]
A312583
[ 1, 4, 8, 14, 19, 21, 28, 30, 40, 36, 48, 46, 56, 56, 64, 72, 66, 81, 75, 98, 76, 106, 86, 114, 96, 122, 117, 119, 126, 128, 148, 124, 156, 134, 164, 144, 172, 170, 164, 179, 173, 206, 164, 214, 174, 222, 184, 230, 215, ...
[ "nonn" ]
A065023
[ 2, 4, 10, 21, 51, 89, 203, 370, 715, 1197, 2418, 3813, 7175, 11379, 19026, 29809, 51618, 75378, 125951, 185025, 285449 ]
[ "nonn", "base", "more" ]
A346637
[ 0, 1, 32, 243, 1019, 3095, 7671, 16527, 32138, 57789, 97690, 157091, 242397, 361283, 522809, 737535, 1017636, 1377017, 1831428, 2398579, 3098255, 3952431, 4985387, 6223823, 7696974, 9436725, 11477726, 13857507, 16616593, 19798619, 23450445, 27622271, 3...
[ "nonn", "easy" ]
A238003
[ 1, 1, 2, 3, 3, 5, 6, 11, 10, 17, 19, 30, 34, 50, 54, 89, 97, 126, 160, 215, 254, 339, 409, 549, 649, 838, 997, 1286, 1562, 1934, 2375, 2966, 3552, 4418, 5339, 6505, 7869, 9591, 11499, 13946, 16781, 20163, 24167, 28932, 34434, ...
[ "nonn", "easy" ]
A203405
[ 51384, 1098136, 18021052, 327725888, 5723980832, 101578277384, 1791372199364, 31670053199428, 559357046066336, 9883171811276912, 174597648846078900, 3084652717804631600, 54495922517693645000, 962777163534286800000 ]
[ "nonn" ]
A336337
[ 0, 3, 12, 41, 132, 413, 1272, 3881, 11772, 35573, 107232, 322721, 970212, 2914733, 8752392, 26273561, 78853452, 236625893, 710008752, 2130288401, 6391389492, 19175217053, 57527748312, 172587439241, 517770706332, 1553328896213, 4660020243072, 13980127838081 ]
[ "nonn", "easy" ]
A295554
[ 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 12, 1, 1, 1, 1, 5, 1, 1, 1, 12, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 12, 1, 1, 1,...
[ "nonn" ]
A016368
[ 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, -1, 0, -1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, -1, 0, -1, 0, -1, 0, -1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, -1, 0, -1, 0, -1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0,...
[ "sign", "fini", "full" ]
A370381
[ 1, 1, 3, 1, 7, 13, 1, 15, 45, 71, 1, 31, 145, 319, 461, 1, 63, 453, 1355, 2525, 3447, 1, 127, 1393, 5623, 13241, 22199, 29093, 1, 255, 4245, 23051, 68261, 138219, 215157, 273343, 1, 511, 12865, 93799, 348761, 850031, 1549889, 2282...
[ "nonn", "tabl" ]
A038926
[ 11, 13, 17, 19, 29, 31, 43, 47, 67, 71, 83, 89, 97, 101, 107, 113, 127, 137, 151, 167, 173, 197, 223, 227, 239, 241, 251, 269, 271, 277, 281, 283, 311, 313, 317, 337, 349, 379, 397, 401, 419, 433, 439, 457, 461 ]
[ "nonn" ]
A128609
[ 1, 1, 2, 4, 7, 13, 23, 40, 67, 112, 184, 301, 490, 796, 1291, 2093, 3390, 5489, 8885, 14380, 23271, 37657, 60935, 98599, 159541, 258148, 417697, 675853, 1093558, 1769419, 2862985, 4632412, 7495405, 12127825, 19623238, 31751071, 51374317 ]
[ "nonn" ]
A213319
[ 10023, 10053, 10067, 10073, 10079, 10093, 10097, 10107, 10112, 10115, 10119, 10122, 10125, 10129, 10141, 10143, 10147, 10152, 10155, 10170, 10174, 10176, 10178, 10181, 10183, 10190, 10194, 10196, 10198, 10212, 10215, 10219 ]
[ "nonn", "fini", "base" ]
A110859
[ 0, 0, 1, 3, 12, 26, 95, 907 ]
[ "nonn", "more" ]
A362454
[ 1, 2, 3, 5, 6, 7, 12, 17, 18, 19, 21, 22, 23, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 48, 65, 66, 67, 69, 70, 71, 76, 84, 88, 92, 97, 98, 99, 101, 102, 103, 108, 113, 114, 115, 117, 118, 119, ...
[ "nonn" ]
A339712
[ 1, 5, 28, 273, 3126, 46948, 823544, 16781441, 387421948, 10000078446, 285311670612, 8916102176891, 302875106592254, 11112006865913416, 437893890382064060, 18446744074783625000, 827240261886336800000, 3.934640807532796e+22, 1.9784196556603136e+24 ]
[ "nonn" ]
A211238
[ 11, 844427, 51448361, 86966771, 122983031, 960959381, 2426256797, 2911675511, 3013107257, 4778888351, 5221343711, 5258591537, 6430890287, 7156316591, 8518049207, 8828280941, 9467776751, 10687380227, 10783636931, 11856793337, 12128287007, 14431067237, 14772642497 ]
[ "nonn" ]
A264280
[ 8, 32, 132, 556, 2324, 9724, 40692, 170268, 712468, 2981244, 12474676, 52198876, 218420308, 913955132, 3824342132, 16002528156, 66960773524, 280189801724, 1172422611892, 4905870136668, 20528060064468, 85897351187644 ]
[ "nonn" ]
A321479
[ 1, 2, 3, 4, 6, 3, 4, 6, 4, 3, 4, 6, 5, 10, 3, 4, 6, 6, 12, 6, 3, 4, 6, 7, 8, 8, 14, 3, 4, 6, 8, 6, 4, 6, 8, 3, 4, 6, 9, 12, 18, 9, 12, 18, 3, 4, 6, 10, 30, 6, 12, 6, 15, 10, 3, 4, 6, 11, 5, 10, 12...
[ "nonn", "tabl" ]
A270160
[ 1, 4, 9, 32, 13, 92, 45, 156, 36, 309, 56, 404, 85, 624, 177, 764, 125, 1084, 181, 1268, 209, 1576, 321, 1800, 277, 2204, 313, 2584, 336, 2957, 532, 3245, 456, 3941, 504, 4289, 576, 4880, 749, 5284, 657, 6012, 820, 6516, 833, ...
[ "nonn", "easy" ]
A354384
[ 2, 3, 4, 2, 4, 3, 2, 3, 4, 3, 2, 4, 2, 3, 4, 2, 4, 3, 2, 4, 2, 3, 4, 3, 2, 3, 4, 2, 4, 3, 2, 3, 4, 3, 2, 4, 2, 3, 4, 3, 2, 3, 4, 2, 4, 3, 2, 4, 2, 3, 4, 2, 4, 3, 2, 3, 4, 3, 2, 4, 2, 3, 4, 2...
[ "nonn", "easy" ]
A097691
[ 1, 2, 8, 56, 551, 6930, 105937, 1905632, 39424240, 922080050, 24057287759, 692686638072, 21817946138353, 746243766783074, 27543862067299424, 1091228270370045800, 46187969968474140000, 2.0801284688275704e+21, 9.931872612665036e+22, 5.01136125132917e+24 ]
[ "easy", "frac", "nonn" ]
A117002
[ 1, 6, 10, 16, 18, 30, 26, 42, 37, 54, 42, 76, 50, 78, 72, 94, 66, 120, 74, 126, 104, 126, 90, 180, 103, 150, 136, 182, 114, 222, 122, 210, 168, 198, 156, 286, 146, 222, 200, 288, 162, 312, 170, 294, 258, 270, 186, 400, 2...
[ "nonn" ]
A243465
[ 0, 0, 0, 180, 4890, 36028, 154434, 488660, 1271450, 2883900, 5907298, 11182644, 19877850, 33562620, 54291010, 84691668, 128065754, 188492540, 270942690, 381399220, 526986138, 716104764, 958577730, 1265800660, 1650901530, 2128907708, 2716920674, 3434298420 ]
[ "nonn", "easy" ]
A055740
[ 1, 1, 18, 1785, 591460, 495872505, 882463317636, 2956241639184631, 17088644286346130000, 1.5958425534896466e+23, 2.2865238449105765e+27, 4.822011674425254e+31, 1.4464858877512345e+36, 5.998137297574056e+40 ]
[ "nonn" ]
A241568
[ 0, 0, 1, 1, 1, 2, 2, 3, 1, 3, 2, 4, 2, 4, 2, 5, 3, 3, 5, 3, 4, 2, 5, 2, 4, 4, 3, 4, 3, 5, 3, 2, 5, 4, 7, 2, 6, 5, 4, 4, 5, 4, 3, 4, 7, 4, 4, 4, 5, 6, 4, 3, 5, 4, 3, 3, 3, 3, 3, 5, 6, 7, 8, 2...
[ "nonn" ]
A097723
[ 1, 2, 3, 6, 5, 6, 10, 8, 12, 14, 11, 12, 18, 18, 15, 26, 17, 18, 31, 20, 21, 30, 28, 30, 39, 26, 27, 38, 36, 36, 42, 32, 33, 60, 35, 42, 57, 38, 48, 54, 41, 42, 65, 62, 45, 62, 54, 48, 84, 50, 60, 78, 53, 66, ...
[ "nonn" ]
A142162
[ 5, 83, 239, 317, 863, 941, 1019, 1097, 1409, 1487, 1721, 1877, 2111, 2267, 2423, 2579, 2657, 2969, 3203, 3359, 3593, 3671, 4139, 4217, 4373, 4451, 4919, 5153, 5231, 5309, 5387, 6011, 6089, 6323, 6791, 6869, 6947, 7103, 7649, 7727, 7883,...
[ "nonn", "easy" ]
A273963
[ 15, 1264, 49702, 543906, 4010258, 16365681, 55643290, 210405148, 904155053, 4384022592, 21350702064, 105038486755, 514302715276, 2558243582787 ]
[ "nonn" ]
A069268
[ 1, 1, 6, 2, 15, 3, 28, 36, 45, 5, 66, 6, 91, 105, 120, 8, 153, 9, 190, 210, 231, 11, 276, 300, 325, 351, 378, 14, 435, 15, 496, 528, 561, 595, 630, 18, 703, 741, 780, 20, 861, 21, 946, 990, 1035, 23, 1128, 1176, 1225, ...
[ "nonn" ]
A242070
[ 2, 8, 1, 3, 0, 1, 4, 0, 2, 0, 2, 5, 2, 8, 9, 8, 3, 6, 7, 5, 2, 7, 2, 5, 5, 4, 0, 1, 2, 1, 6, 6, 8, 6, 9, 6, 3, 8, 4, 6, 1, 4, 0, 5, 6, 0, 5, 4, 0, 2, 6, 2, 2, 1, 5, 2, 6, 6, 4, 3, 8, 7, 4, 0...
[ "nonn", "cons", "easy" ]
A056937
[ 1, 980, 211250, 17792748, 781429368, 21238316210, 398925639186, 5585711269074, 61555624183223, 555895303974238, 4242859829536322, 28038281717424550, 163544036697306400, 855242362045150300 ]
[ "nonn", "easy" ]
A124863
[ 1, -12, 78, -376, 1509, -5316, 16966, -50088, 138738, -364284, 913824, -2203368, 5130999, -11585208, 25444278, -54504160, 114133296, -234091152, 471062830, -931388232, 1811754522, -3471186596, 6556994502, -12222818640, 22502406793 ]
[ "sign" ]
A051533
[ 2, 4, 6, 7, 9, 11, 12, 13, 16, 18, 20, 21, 22, 24, 25, 27, 29, 30, 31, 34, 36, 37, 38, 39, 42, 43, 46, 48, 49, 51, 55, 56, 57, 58, 60, 61, 64, 65, 66, 67, 69, 70, 72, 73, 76, 79, 81, 83, 84, 87, 88, 90, 91, 92,...
[ "easy", "nonn", "nice" ]
A017746
[ 1, 83, 3486, 98770, 2123555, 36949857, 541931236, 6890268572, 77515521435, 783768050065, 7210666060598, 60962903966874, 477542747740513, 3489735464257595, 23929614612052080, 154744841157936770 ]
[ "nonn" ]
A098900
[ 24, 42, 48, 66, 84, 88, 204, 210, 216, 222, 228, 234, 240, 246, 252, 258, 264, 270, 272 ]
[ "dead" ]
A274023
[ 17, 29, 269, 18446744073709552000 ]
[ "nonn" ]
A166218
[ 1, 101, 3980, 104510, 1598732, 16474555, 140020892, 931368996, 5087344969, 25012399727, 106992734072, 406769105056, 1447700846889, 4710009299519, 14166568176196 ]
[ "nonn" ]
A129001
[ 1, 3, 2, 2, 3, 4, 2, 1, 2, 2, 3, 2, 1, 2, 2, 3, 4, 3, 2, 1, 2, 3, 4, 6, 5, 4, 3, 2 ]
[ "nonn", "fini", "full", "tabf", "uned" ]
A139747
[ 0, 2, 40, 602, 8080, 102002, 1240120, 14704202, 171312160, 1970527202, 22450640200, 253930611002, 2855998840240, 31980846315602, 356873041128280, 3971357037321002, 44096709674720320, 488769846799627200, 5409822678195233000, 59808238730741555000, 660592329473503100000 ]
[ "nonn", "easy" ]
A216885
[ 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 22...
[ "nonn", "easy" ]
A196996
[ 9, 3, 5, 0, 2, 7, 2, 8, 8, 4, 7, 4, 9, 6, 7, 8, 3, 6, 1, 4, 5, 1, 9, 4, 4, 2, 7, 5, 3, 2, 3, 9, 7, 7, 6, 3, 1, 7, 5, 1, 8, 3, 5, 1, 0, 0, 5, 2, 6, 8, 3, 9, 0, 8, 9, 5, 3, 4, 7, 2, 9, 7, 9, 7...
[ "nonn", "cons" ]
A149203
[ 1, 1, 4, 10, 39, 133, 503, 1903, 7473, 29283, 117340, 472735, 1923988, 7866991, 32415016, 134128943, 557609799, 2326658582, 9745447103, 40938439634, 172464891400, 728418140034, 3083825574858, 13082628817159, 55610642800671, 236812974175072, 1010124338572475, 431...
[ "nonn", "walk" ]
A070886
[ 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1...
[ "nonn", "tabf", "nice", "easy" ]
A131911
[ 1, 4, 3, 5, 2, 5, 8, 1, 2, 7, 9, 2, 1, 2, 9, 12, 1, 2, 1, 2, 11, 13, 2, 1, 2, 1, 2, 13, 16, 1, 2, 1, 2, 1, 2, 15, 17, 2, 1, 2, 1, 2, 1, 2, 17, 20, 1, 2, 1, 2, 1, 2, 1, 2, 19 ]
[ "nonn", "tabl" ]
A170466
[ 1, 25, 600, 14400, 345600, 8294400, 199065600, 4777574400, 114661785600, 2751882854400, 66045188505600, 1585084524134400, 38042028579225600, 913008685901414400, 21912208461633946000, 525893003079214700000 ]
[ "nonn" ]
A254711
[ 1, 5, 145, 925, 28085, 179401, 5448301, 34802825, 1056942265, 6751568605, 205041351065, 1309769506501, 39776965164301, 254088532692545, 7716526200523285, 49291865572847180, 1496966305936353000, 9562367832599660000, 290403746825451960000 ]
[ "nonn", "easy" ]
A340893
[ 1, 1, 1, 3, 12, 51, 229, 1079, 5288, 26768, 139255, 741804, 4035428, 22374787, 126262588, 724423620, 4222889705, 24999907277, 150274982778, 917156371139, 5684147494421, 35782117189675, 228878225147773, 1488242327844714, 9842110656790200 ]
[ "nonn" ]
A159719
[ 0, 0, 0, 0, 1480, 1268292, 279561086, 36381368048, 3573883594170, 296395007981680, 22044296362400136, 1523944523765510100, 100158396249221190000, 6.351609408030665e+21, 3.9256210386999e+23, 2.3810390333486683e+25, 1.4241908190676214e+27 ]
[ "nonn" ]
A313124
[ 1, 4, 9, 14, 19, 25, 29, 35, 40, 45, 50, 54, 58, 63, 68, 73, 79, 83, 89, 94, 99, 104, 108, 112, 117, 122, 127, 133, 137, 143, 148, 153, 158, 162, 166, 171, 176, 181, 187, 191, 197, 202, 207, 212, 216, 220, 225, 230, 235,...
[ "nonn", "changed" ]
A281599
[ 1, 2, 3, 5, 8, 13, 42, 56, 65, 87, 93, 95, 102, 108, 114, 123, 143, 146, 157, 161, 190, 195, 198, 200, 203, 210, 218, 234, 235, 238, 266, 275, 287, 312, 321, 370, 375, 380, 385, 410, 416, 437, 475, 491, 513, 568, 572, 582,...
[ "nonn" ]
A211259
[ 65, 335, 1703, 8645, 43643, 219333, 1097247, 5465297, 27114351, 134027929, 660336579, 3243840829, 15893481911, 77692754369, 379020868055, 1845782118641, 8974924575259, 43581782793301, 211388981838455, 1024316233634281 ]
[ "nonn" ]
A313231
[ 1, 4, 9, 15, 20, 24, 28, 32, 39, 46, 51, 55, 56, 61, 69, 74, 81, 84, 84, 92, 99, 104, 111, 111, 112, 121, 129, 136, 141, 140, 140, 148, 159, 166, 171, 171, 168, 177, 189, 194, 201, 200, 196, 208, 219, 224, 231, 227, 224,...
[ "nonn" ]
A000770
[ 1, 21, 266, 2646, 22827, 179487, 1323652, 9321312, 63436373, 420693273, 2734926558, 17505749898, 110687251039, 693081601779, 4306078895384, 26585679462804, 163305339345225, 998969857983405, 6090236036084530, 37026417000002430, 224595186974125340 ]
[ "nonn", "easy" ]
A065649
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 10, 21, 31, 41, 12, 51, 13, 61, 14, 71, 15, 81, 16, 91, 17, 101, 18, 111, 19, 22, 20, 32, 121, 42, 52, 62, 23, 72, 24, 82, 25, 92, 26, 102, 27, 112, 28, 122, 29, 33, 30, 43, 13...
[ "base", "nice", "nonn", "look" ]
A358564
[ 2, 0, 4, 9, 7, 5, 5, 4, 2, 4, 8, 2, 0, 0, 0, 2, 4, 5, 0, 5, 0, 3, 0, 7, 4, 5, 6, 3, 6, 4, 5, 3, 7, 8, 5, 1, 1, 9, 8, 2, 4, 2, 7, 2, 9, 5, 4, 9, 5, 3, 2, 1, 6, 8, 3, 4, 6, 9, 5, 9, 5, 8, 4, 3...
[ "cons", "nonn" ]
A142417
[ 53, 151, 347, 641, 739, 1033, 1229, 1327, 1523, 1621, 2111, 2503, 2699, 2797, 3581, 4463, 4561, 5051, 5443, 5639, 5737, 6521, 6619, 7109, 7207, 8089, 8677, 8971, 9461, 10343, 11519, 11617, 11813, 12107, 12401, 13381, 13577, 14557, 14753, ...
[ "nonn", "easy" ]
A216781
[ 2, 4, 8, 16, 18, 20, 24, 32, 36, 40, 48, 50, 52, 64, 68, 72, 80, 88, 96, 98, 100, 104, 112, 116, 128, 136, 144, 148, 152, 160, 162, 164, 176, 180, 192, 196, 200, 208, 212, 224, 232, 240, 242, 244, 256, 272, 288, 292, 296...
[ "nonn" ]
A033962
[ 1, 10, 5, 46, 23, 208, 104, 52, 26, 13, 118, 59, 532, 266, 133, 1198, 599, 5392, 2696, 1348, 674, 337, 3034, 1517, 13654, 6827, 61444, 30722, 15361, 138250, 69125, 622126, 311063, 2799568, 1399784 ]
[ "nonn" ]
A252730
[ 1, 3, 17, 871, 4870849, 483209576974811, 3.6956045653220845e+31, 8.498748758632332e+66 ]
[ "nonn" ]
A305373
[ 0, 3, 9, 14, 20, 23, 29, 34, 40, 46, 51, 57, 60, 66, 71, 77, 82, 88, 91, 97, 102, 108, 114, 119, 125, 128, 134, 139, 145, 148, 154, 159, 165, 171, 176, 182, 185, 191, 196, 202, 207, 213, 216, 222, 227, 233, 239, 244, 250...
[ "nonn" ]