id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A379963
[ 2, 8, 34, 36, 214, 248, 254, 2318, 2350, 2520, 2564, 2776, 5076, 30038, 30092, 30480, 32374, 510542, 510728, 510746, 512886, 515134, 540540, 540818, 542862, 542888, 1021442, 9699702, 9699722, 9699772, 9699788, 9702010, 9702256, 9729938, 9734358, 10210414, 10217558, 10240472, 10240724, 19401924, 19429870, 19912238 ]
[ "nonn" ]
A004411
[ 1, -20, 220, -1760, 11420, -63624, 315040, -1418560, 5903260, -22976820, 84413912, -294841120, 984745120, -3159938760, 9780562880, -29296914112, 85169213340, -240882506920, 664216884540, -1788966694240, 4714033526616, -12170584419840, 30826269009760 ]
[ "sign" ]
A231495
[ 1, 1, 2, 8, 41, 266, 1976, 16569 ]
[ "nonn", "more" ]
A054009
[ 0, 0, 0, 0, 0, 0, 2, 1, 1, 0, 2, 0, 2, 0, 0, 0, 3, 0, 0, 0, 1, 0, 3, 1, 2, 0, 3, 0, 2, 0, 2, 0, 1, 2, 4, 0, 2, 0, 5, 0, 0, 0, 4, 0, 1, 0, 3, 1, 0, 0, 2, 0, 5, 1, 0, 0, 1, 0, 5, 0, 2, 3, 4, 2, 3, 0, 3, 0, 0, 0, 6, 0, 2, 0, 1, 2, 1, 0, 8, 1, 1, 0, 7, 1, 2, 0, 4, 0, 2, 1, 2, 0, 1, 2, 8, 0, 3, 4, 4, 0, 4, 0, 6, 0, 1 ]
[ "nonn" ]
A069852
[ 6, -74, 1946, -88434, 6154786, -607884394, 80834386026, -13923204233954, 3015393801263666, -801997872697905200, 256982712667627700000, -9.764171694186289e+22, 4.340630178828635e+25, -2.231973763715254e+28 ]
[ "easy", "sign" ]
A225462
[ 3, 6, 6, 5, 1, 9, 1, 8, 2, 1, 3, 5, 2, 4, 8, 9, 7, 4, 8, 2, 8, 2, 7, 5, 9, 1, 8, 8, 5, 1, 2, 9, 3, 4, 6, 7, 8, 5, 9, 5, 7, 0, 3, 8, 9, 3, 1, 6, 4, 0, 7, 5, 8, 7, 0, 4, 5, 7, 0, 8, 3, 1, 5, 1, 2, 8, 3, 3, 4, 8, 7, 3, 2, 5, 3, 9, 0, 9, 4, 6, 1, 5, 5, 8, 5, 5, 8, 3, 3, 3, 4, 5, 7, 5, 0, 9, 9, 8, 1, 8 ]
[ "nonn", "base" ]
A189143
[ 1, 2, 3, 5, 8, 10, 11, 12, 15, 19, 21, 22, 25, 26, 27, 29, 30, 31, 34, 35, 37, 40, 46, 47, 48, 51, 54, 55, 57, 58, 60, 62, 63, 67, 68, 69, 72, 73, 74, 77, 79, 81, 84, 87, 88, 90, 94, 95, 97, 100, 101, 102, 103, 105, 108, 109, 111, 112, 113, 115, 116, 119, 121, 122, 123, 126, 127, 129, 130 ]
[ "nonn" ]
A102961
[ 1, 2, 7, 28, 73, 295, 494, 598, 2600, 3730, 7549, 15865 ]
[ "more", "nonn" ]
A371645
[ 1, 2, 80640, 516287415629905900000, 1.3585113977303083e+56 ]
[ "nonn" ]
A278195
[ 0, 0, 0, 1, -28, 882, -17116, 803803, 13713336, 3671012164, 506128123928, 96524822605365, 21542790273363260, 5676618945053498000, 1.7392462682044472e+21, 6.132554881341582e+23, 2.4655470850603968e+26, 1.121156934337051e+29 ]
[ "sign", "easy" ]
A196720
[ 1, 2, 4, 8, 13, 25, 33, 61, 81, 116, 140, 256, 282, 530, 606, 692, 823, 1551, 1653, 3173, 3391, 3805, 4177, 8049, 8345, 11524, 12508, 15294, 16204, 31692, 32048, 63280, 70834, 77224, 82048, 91686, 93597, 185245, 196109, 212359, 218223, 432495, 436031, 867647 ]
[ "nonn" ]
A352815
[ 1, 4, 15, 62, 263, 1153, 5187, 23792, 110898, 523773, 2501268, 12057407, 58593831, 286743949, 1411905287, 6989973590, 34773216944, 173737947911, 871442154413, 4386482848975, 22150822685669, 112185906664804, 569713055956736, 2900350345874632, 14799219791196092 ]
[ "nonn" ]
A191929
[ 5, 7, 8, 11, 13, 15, 16, 17, 19, 20, 22, 23, 27, 29, 30, 31, 32, 33, 34, 35, 39, 41, 45, 46, 47, 48, 51, 55, 57, 59, 62, 63, 73, 75, 76, 79, 80, 83, 88, 90, 91, 92, 101, 104, 117, 119, 120, 123, 127, 134, 135, 139, 145, 148, 151, 163, 167, 189, 191, 192, 195 ]
[ "nonn" ]
A083338
[ 0, 0, 0, 1, 0, 1, 1, 1, 2, 2, 2, 1, 2, 2, 3, 2, 4, 2, 3, 2, 5, 3, 5, 3, 5, 3, 7, 2, 7, 3, 6, 2, 9, 4, 8, 4, 9, 2, 10, 3, 11, 4, 10, 3, 12, 4, 13, 5, 12, 4, 15, 3, 16, 5, 14, 3, 17, 4, 16, 6, 16, 3, 19, 5, 21, 6, 20, 2, 20, 5, 22, 6, 21, 5, 22, 5, 28, 7, 24, 4, 25, 5, 29, 8, 27, 5, 29, 4, 33, 9, 29, 4 ]
[ "nonn", "look" ]
A314264
[ 1, 5, 11, 18, 23, 29, 34, 39, 43, 50, 57, 63, 68, 73, 79, 84, 91, 97, 102, 105, 111, 118, 125, 131, 136, 141, 145, 152, 159, 165, 168, 173, 179, 186, 193, 199, 204, 207, 213, 220, 227, 231, 236, 241, 247, 254, 261, 267, 270, 275 ]
[ "nonn" ]
A330698
[ 10, 15, 16, 18, 20, 24, 26, 28, 30, 32, 34, 35, 36, 40, 42, 44, 45, 48, 50, 51, 52, 54, 56, 57, 58, 60, 63, 64, 65, 66, 68, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 88, 90, 91, 92, 96, 98, 99, 100, 102, 104, 105, 106, 108, 110, 111, 112, 114, 116, 117, 119, 120, 122, 124 ]
[ "nonn" ]
A179815
[ 1, 3, 21, 163, 1259, 9657, 73949, 566797, 4352755, 33501979, 258431853, 1997743677, 15473296249 ]
[ "nonn" ]
A120555
[ 0, 2, 0, 8, 16, 26, 56, 140, 192, 386, 740, 1224, 1932, 3746, 5708, 9154, 15088, 26470, 35940, 63338, 95704, 149964, 212440, 395872, 489380, 826786, 1192000, 2011140, 2306364, 4871852, 5306236, 9620560, 11412900, 24593042, 19703824 ]
[ "sign" ]
A116957
[ 5, 15, 135, 175, 315, 735, 1395, 1935, 3195, 3915, 9135, 9315 ]
[ "fini", "full", "base", "nonn" ]
A380985
[ 1, 20, 110, 2100, 20100, 200100, 2000100, 20000100, 200000100, 2000000100, 20000000100, 200000000100, 2000000000100, 20000000000100, 200000000000100, 2000000000000100, 20000000000000100, 200000000000000100, 2000000000000000000, 20000000000000000000 ]
[ "nonn", "easy", "base", "changed" ]
A373581
[ 3, 7, 31, 73, 127, 443, 1453, 5981, 8191, 19609, 21157, 28123, 29671, 83269, 131071, 262657, 287281, 324217, 354997, 367309, 431947, 456571, 462727, 499663, 524287, 1348901, 1488301, 1715851, 1875751, 5548693, 6298627, 7331323, 7355911, 8093551, 8191903 ]
[ "nonn", "base" ]
A326657
[ 1, 0, 5, 6, 13, 16, 25, 30, 41, 48, 61, 70, 85, 96, 113, 126, 145, 160, 181, 198, 221, 240, 265, 286, 313, 336, 365, 390, 421, 448, 481, 510, 545, 576, 613, 646, 685, 720, 761, 798, 841, 880, 925, 966, 1013, 1056, 1105, 1150, 1201, 1248, 1301, 1350, 1405, 1456, 1513, 1566, 1625, 1680 ]
[ "nonn", "easy" ]
A142355
[ 2, 331, 613, 1459, 1553, 1741, 2399, 2963, 3433, 3527, 4091, 4373, 4561, 4937, 5407, 5501, 5689, 5783, 6911, 7193, 7757, 8039, 10859, 11047, 11329, 11423, 11987, 12269, 12457, 12739, 13397, 13679, 14149, 14243, 14431, 14713, 15277, 15559, 16217, 17627 ]
[ "nonn", "easy" ]
A046444
[ 2241998, 2250886, 2264218, 2268662, 2286394, 2290882, 2295326, 2295458, 2308658, 2309054, 2313586, 2330878, 2335322, 2336246, 2340778, 2354374, 2357542, 2361986, 2375186, 2375318, 2377034, 2381566, 2384602, 2398726 ]
[ "nonn", "base" ]
A248121
[ 2, 9, 20, 34, 53, 76, 102, 133, 168, 206, 249, 296, 346, 401, 460, 522, 589, 660, 734, 813, 896, 982, 1073, 1168, 1266, 1369, 1476, 1586, 1701, 1820, 1942, 2069, 2200, 2334, 2473, 2616, 2762, 2913, 3068, 3226, 3389, 3556, 3726, 3901, 4080, 4262, 4449, 4640 ]
[ "nonn", "easy" ]
A234753
[ 110, 1014, 8968, 80010, 712722, 6350732, 56585338, 504183278, 4492335124, 40027273406, 356648038986, 3177778909824, 28314409931414, 252284955262302, 2247890695972232, 20028988949649010, 178460811756944540 ]
[ "nonn" ]
A284104
[ 0, 0, 0, 0, 5, 0, 0, 0, 0, 5, 11, 0, 0, 0, 5, 0, 17, 0, 0, 5, 0, 11, 23, 0, 5, 0, 0, 0, 29, 5, 0, 0, 11, 17, 40, 0, 0, 0, 0, 5, 41, 0, 0, 11, 5, 23, 47, 0, 0, 5, 17, 0, 53, 0, 16, 0, 0, 29, 59, 5, 0, 0, 0, 0, 70, 11, 0, 17, 23, 40, 71, 0, 0, 0, 5, 0, 88, 0, 0, 5 ]
[ "nonn", "easy" ]
A175204
[ 1, 2, 4, 10, 20, 68, 154, 644, 2210, 6578, 35308, 92378, 310154, 1042404, 5617820, 35515634, 184055430, 1082950218, 5386096364, 19304763268, 254772473240, 1383442606194 ]
[ "nonn", "more" ]
A177799
[ 2, 3, 2, 3, 19, 23, 29, 41, 2, 7, 13, 19, 23, 31, 71, 71, 73, 73, 79, 109, 137, 149, 197, 197, 257, 263, 263, 311, 349, 349, 337, 349, 383, 383, 421, 433, 23, 29, 23, 19, 17, 31, 71, 131, 139, 223, 263, 293, 293, 521, 557, 593, 613, 631, 823, 911, 919, 919, 947, 1109, 1427, 1487, 1483, 1613, 1693, 1913, 2131, 2203, 2381, 2659 ]
[ "nonn", "less" ]
A237967
[ 256, 1494, 7905, 40442, 208210, 1074202, 5540337, 28475040, 146747184, 755218808, 3893371264, 20027524168, 103232219796, 531114565248, 2737826075360, 14084875246240, 72603362037280, 373519603204256, 1925412625288848 ]
[ "nonn" ]
A246507
[ 14, 70, 300, 1225, 4900, 19404, 76440, 300300, 1178100, 4618900, 18106088, 70984095, 278369000, 1092063000, 4286142000, 16830250920, 66118842900, 259878874500, 1021939149000, 4020523757250, 15824781508536, 62313700079400, 245478212434000, 967428110493000, 3814113125277000 ]
[ "nonn" ]
A139568
[ 32, 8192, 8589934592, 2305843009213694000, 1.915619426082361e+53 ]
[ "nonn" ]
A275064
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1536, 4608, 13824, 41472, 124416, 373248, 1119744, 3359232, 10077696, 40310784, 161243136, 644972544, 2579890176, 10319560704, 41278242816, 165112971264, 660451885056, 2641807540224 ]
[ "nonn" ]
A162067
[ 2, 8, 58, 613, 9511, 203053, 5614678, 193036007, 8017330815, 393653653238 ]
[ "nonn" ]
A034462
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 13, 46, 182, 552, 1672, 4602, 12476, 32209, 82015, 203055, 496080 ]
[ "nonn" ]
A219757
[ 0, 0, 0, 0, 2, 17, 90, 383, 1436, 4958, 16159, 50480, 152690, 450343, 1301764, 3701990, 10387887, 28827688, 79265482, 216271927, 586261980, 1580524894, 4241295935, 11336890720, 30202962402, 80239307847, 212664541940, 562513804438, 1485379408591, 3916726647768 ]
[ "nonn", "easy" ]
A326384
[ 42, 156, 182, 342, 1406, 1640, 6162, 7140, 14280, 14762, 20880, 25440, 29412, 32942, 33306, 47742, 48620, 49952, 61256, 67860, 95172, 95790, 158802, 176820, 191406, 202950, 209306, 257556, 296480, 297570 ]
[ "nonn", "base" ]
A388915
[ 1, 13, 289, 7228, 190417, 5166343, 142859224, 4003101661, 113276700433, 3229655233285, 92632940372299, 2669817506480137, 77257927623137310, 2243231587685499600, 65322014637963950000, 1.9069016804292472e+21, 5.578815074646657e+22, 1.6352612269496158e+24 ]
[ "nonn" ]
A280110
[ 2, 3, 7, 9, 11, 13, 25, 29, 37 ]
[ "nonn", "base", "more" ]
A165659
[ 2, 5, 5, 17, 28, 41, 58, 77, 50, 129, 16, 197, 119, 281, 164, 127, 440, 501, 568, 71, 356, 791, 46, 321, 530, 1161, 1264, 457, 1480, 1593, 344, 1851, 284, 2127, 2276, 809, 2584, 2747, 1457, 441, 1633, 1149, 3638, 3831, 1007, 4227, 4438 ]
[ "easy", "nonn" ]
A166783
[ 0, 252, 2624, 14259, 55748, 177136, 486512, 1197675, 2705424, 5699396, 11330072, 21443587 ]
[ "nonn" ]
A015848
[ 11, 14, 23, 35, 59, 71, 77, 107, 110, 119, 131, 140, 158, 161, 167, 179, 203, 239, 251, 253, 280, 287, 290, 304, 311, 329, 347, 359, 371, 383, 413, 419, 430, 431, 467, 491, 497, 581, 599, 623, 647, 665, 713, 728, 749, 770, 827, 836, 887, 893, 971, 1031, 1043 ]
[ "nonn" ]
A333706
[ 1, 0, 1, 0, 0, 2, 0, 0, 4, 6, 0, 2, 16, 20, 24, 0, 14, 44, 80, 108, 120, 0, 90, 200, 384, 544, 672, 720, 0, 646, 1288, 2240, 3264, 4128, 4800, 5040, 0, 5242, 9512, 15424, 23040, 28992, 34752, 38880, 40320, 0, 47622, 78652, 123456, 176832, 231936, 280512, 323520, 352800, 362880 ]
[ "nonn", "tabl" ]
A299421
[ 1, 2, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 22, 24, 25, 27, 28, 30, 31, 33, 34, 36, 37, 39, 40, 41, 43, 44, 45, 47, 48, 50, 51, 53, 54, 56, 57, 59, 60, 62, 63, 65, 66, 68, 69, 71, 72, 74, 75, 77, 78, 80, 82, 83, 85, 86, 88, 90, 91, 93, 94, 96, 97, 99, 100 ]
[ "nonn", "easy" ]
A160889
[ 1, 7, 13, 28, 31, 91, 57, 112, 117, 217, 133, 364, 183, 399, 403, 448, 307, 819, 381, 868, 741, 931, 553, 1456, 775, 1281, 1053, 1596, 871, 2821, 993, 1792, 1729, 2149, 1767, 3276, 1407, 2667, 2379, 3472, 1723, 5187, 1893, 3724, 3627, 3871, 2257, 5824, 2793 ]
[ "nonn", "mult" ]
A342783
[ 5, 8, 13, 19, 20, 28, 29, 31, 41, 43, 44, 47, 59, 62, 64, 65, 67, 71, 86, 89, 91, 94, 95, 97, 98, 101, 107, 127, 130, 131, 134, 136, 137, 142, 143, 145, 146, 148, 152, 161, 181, 190, 191, 194, 196, 197, 199, 202, 203, 205, 206, 214, 215, 217, 218, 220, 223 ]
[ "nonn", "base" ]
A306394
[ 0, 2, 8, 18, 24, 74, 170, 324, 614, 704, 1010, 1164, 1296, 2304, 3600, 4356, 5184, 6084, 9216, 10404, 11664, 14400, 15054, 15876, 19044, 20736, 21774, 22500, 24336, 24476, 26244, 28224, 34596, 39204, 41616, 44100, 46656, 49284, 51984, 60516, 66564, 69696, 72900, 76176, 82944, 90000, 93636, 97344 ]
[ "nonn" ]
A116286
[ 9, 99, 427, 572, 726, 845, 999, 7809, 9999, 36364, 63635, 99999, 326733, 673266, 999999, 4545453, 5454546, 9999999, 47058822, 52941177, 99999999, 331983806, 332667333, 384615385, 422892897, 475524476, 524475523, 577107102, 615384614, 667332666, 668016193, 719964245, 758241757, 804511279 ]
[ "nonn", "base" ]
A167837
[ 4, 3, 2, 5, 4, 8, 6, 5, 2, 3, 5, 1, 1, 2, 4, 2, 2, 2, 3, 4, 2, 3, 2, 4, 3, 6, 5, 3, 4, 3, 2, 4, 4, 2, 3, 4, 3, 5, 8, 3, 2, 5, 5, 5, 3, 2, 4, 5, 7, 1, 4, 1, 7, 2, 3, 3, 1, 5, 6, 3, 5, 5, 1, 4, 9, 1, 4 ]
[ "nonn", "base" ]
A301799
[ 1, 1, 2, 6, 8, 18, 34, 56, 98, 175, 290, 479, 809, 1293, 2096, 3382, 5324, 8378, 13140, 20319, 31328, 48098, 73096, 110763, 167100, 250365, 373670, 555613, 821604, 1210709, 1777718, 2598584, 3786132, 5498169, 7954764, 11473798, 16499790, 23650735, 33806012 ]
[ "nonn" ]
A366955
[ 1, 4, 80, 616, 6576, 41088, 1224720, 4027392, 82260072, 4938271560, 635485074048, 41135376570624, 12236327748685824, 411522630337040450, 65843620853926470000, 6.172839452588539e+21, 8.053723267856298e+23, 4.072755134503695e+25 ]
[ "nonn", "base" ]
A075903
[ 0, 1, 4, 5, 6, 9, 10, 24, 25, 32, 40, 49, 50, 51, 56, 60, 75, 76, 90, 99, 100, 125, 240, 249 ]
[ "dead" ]
A182529
[ 1, 1, 7, 100, 2438, 90246, 4702142, 327233880, 29271020760, 3268118467608, 445031112068232, 72541135526581540, 13936782476047958000, 3.115165518696599e+21, 8.011810377477552e+23, 2.348350830293943e+26, 7.77970565353215e+28 ]
[ "nonn" ]
A339043
[ 1, 3, 11, 43, 178, 767, 3425, 15783, 74775, 363639, 1811808, 9239430, 48175945, 256658465, 1396152633, 7750325528, 43882706171, 253308596926, 1490040961732, 8928063141435, 54469529215562, 338236254603888, 2136952452531537, 13731571816349732, 89710429044324930 ]
[ "nonn" ]
A160265
[ 1, 11, 12, 1121, 1321, 123121, 132231, 123222, 112431, 13214131, 14322141, 13423122, 12324123, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241, 12233241 ]
[ "nonn", "base" ]
A278584
[ 1, 0, 101, 100, 1, 111000, 10101, 10010100, 1, 1111111000, 10101, 111110010100, 100000001, 11100011111000, 1010100010101, 1001010010010100, 1, 111111111111111000, 10101, 11111111111110010000, 100000001, 1.1111111111000111e+21, 1010100010101 ]
[ "nonn", "easy" ]
A293852
[ 1, 3, 9, 25, 36, 54, 108, 115, 147, 213, 465, 685, 768, 804, 1951, 3355, 12525, 15097, 15795, 22159, 95895, 185811 ]
[ "nonn", "more", "hard" ]
A274459
[ 1, 2, 3, 1, 2, 3, 4, 1, 1, 2, 3, 2, 2, 3, 4, 1, 2, 2, 3, 2, 3, 3, 4, 2, 1, 2, 1, 2, 2, 3, 2, 1, 2, 2, 2, 1, 2, 3, 3, 2, 2, 3, 2, 2, 2, 3, 3, 2, 1, 2, 3, 2, 2, 2, 3, 3, 2, 2, 2, 3, 2, 3, 2, 1, 2, 3, 3, 2, 3, 3, 3, 2, 2, 2, 3, 2, 3, 3, 3, 2, 1, 2, 3, 3, 2 ]
[ "nonn" ]
A302430
[ 16, 21, 51, 148, 372, 1359, 4223, 12765, 36991, 120577, 379049, 1163511, 3513789, 11057011, 34615371, 107067003, 328256519, 1021668031, 3184852651, 9877177123, 30474354613, 94542321045, 293938006889, 912146326937, 2822284649841 ]
[ "nonn" ]
A209928
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 5, 1, 6, 3, 7, 5, 8, 7, 9, 9, 5, 7, 2, 3, 8, 5, 6, 9, 8, 9, 6, 3, 8, 3, 7, 7, 9, 7, 9, 9, 8, 4, 7, 4, 4, 9, 6, 7, 8, 9, 5, 7, 6, 5, 9, 5, 8, 9, 9, 9, 6, 6, 6, 9, 8, 6, 6, 7, 8, 9, 7, 7, 9, 7, 7, 7, 9, 7, 9, 9, 8, 9, 8, 8, 8, 8, 8, 9 ]
[ "nonn", "base" ]
A035156
[ 1, 1, 0, 1, 2, 0, 2, 1, 1, 2, 0, 0, 0, 2, 0, 1, 1, 1, 2, 2, 0, 0, 2, 0, 3, 0, 0, 2, 2, 0, 2, 1, 0, 1, 4, 1, 2, 2, 0, 2, 0, 0, 2, 0, 2, 2, 0, 0, 3, 3, 0, 0, 0, 0, 0, 2, 0, 2, 2, 0, 2, 2, 2, 1, 0, 0, 2, 1, 0, 4, 2, 1, 0, 2, 0, 2, 0, 0, 2, 2, 1 ]
[ "nonn", "easy", "mult" ]
A244260
[ 5, 7, 37, 331, 33923, 1284043 ]
[ "nonn", "hard", "more" ]
A042522
[ 28, 253, 534, 787, 4469, 5256, 9725, 34431, 147449, 181880, 874969, 1056849, 5102365, 16363944, 21466309, 37830253, 210617574, 248447827, 707513228, 6616066879, 371207258452, 3347481392947, 7066170044346 ]
[ "nonn", "cofr", "frac", "easy" ]
A086573
[ 0, 18, 198, 1998, 19998, 199998, 1999998, 19999998, 199999998, 1999999998, 19999999998, 199999999998, 1999999999998, 19999999999998, 199999999999998, 1999999999999998, 20000000000000000, 200000000000000000, 2000000000000000000, 20000000000000000000, 200000000000000000000 ]
[ "nonn", "easy" ]
A199641
[ 1, 3, 13, 60, 288, 1384, 6628, 31772, 152304, 730036, 3499340, 16773680, 80402532, 385399644, 1847365808, 8855120468, 42445929772, 203459338800, 975257291396, 4674775757500, 22407962058928, 107409807372276, 514855687878924 ]
[ "nonn" ]
A335409
[ 1, 3, 2, 6, 7, 4, 12, 14, 8, 5, 28, 16, 10, 13, 32, 15, 20, 26, 64, 30, 9, 52, 128, 60, 18, 25, 256, 29, 36, 50, 512, 58, 17, 100, 1024, 116, 34, 11, 2048, 57, 68, 22, 4096, 114, 33, 44, 8192, 228, 66, 21, 16384, 27, 132, 42, 32768, 54, 65, 84, 31, 108, 130 ]
[ "nonn", "base" ]
A262198
[ 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1020, 1021, 1030, 1031, 1040, 1041, 1050, 1051, 1060, 1061, 1070, 1071, 1080, 1081, 1090, 1091, 1100, 1200, 1201, 1231, 1241, 1251, 1261, 1271 ]
[ "nonn", "base" ]
A121607
[ 6, 90, 810, 5508, 31590, 161838, 765450, 3411720, 14526054, 59639490, 237731274, 924707340, 3523453830, 13191428502, 48642794730, 177008116752, 636661003590, 2266409860650, 7994034370026, 27964010896020, 97092998430246, 334835906028030, 1147605349901130, 3911084221188888 ]
[ "nonn", "easy" ]
A308023
[ 1, 1, 4, 14, 52, 208, 908, 4304, 22016, 120796, 706896, 4389752, 28800668, 198884648, 1440809932, 10918549748, 86331306980, 710609746752, 6076740094448, 53887906573064, 494734785732236, 4695242718593096, 45998992617959940, 464614423225361400, 4832633949407619000 ]
[ "nonn" ]
A107630
[ 2, 5, 17, 37, 41, 157, 173, 401, 809, 821, 1301, 1321, 1361, 1373, 2161, 2213, 2221, 3121, 3137, 3169, 4297, 4349, 5857, 7529, 7537, 9277, 11821, 11897, 11909, 14033, 14057, 14081, 14153, 14173, 17041, 19937, 19949, 23209, 23297, 26681, 30893 ]
[ "nonn" ]
A134579
[ 1, 4, 729, 256, 95367431640625, 0, 3.1197348228454238e+35, 16777216, 150094635296999140, 0, 3.5743359351975033e+114 ]
[ "nonn" ]
A113407
[ 1, 1, 2, 3, 0, 2, 1, 0, 4, 2, 1, 2, 2, 0, 2, 1, 0, 2, 4, 2, 0, 3, 0, 4, 2, 0, 0, 0, 3, 2, 2, 0, 2, 4, 0, 2, 3, 0, 4, 2, 0, 0, 2, 0, 2, 1, 2, 4, 0, 0, 2, 2, 0, 6, 2, 1, 2, 2, 0, 0, 4, 0, 0, 4, 0, 2, 1, 0, 4, 0, 0, 2, 2, 4, 2, 2, 0, 2, 5, 0, 2, 0, 2, 0, 2, 0, 4, 4, 0, 0, 0, 1, 0, 4, 0, 2, 2, 0, 4, 4, 2, 2, 0, 0, 2 ]
[ "nonn" ]
A209968
[ 144945, 56080379, 22419183624, 9585247795332, 4082540189707757, 1725096441495004200, 721612821437109200000, 2.9914603791295136e+23, 1.2307511069035992e+26, 5.032453231705467e+28 ]
[ "nonn" ]
A019881
[ 9, 5, 1, 0, 5, 6, 5, 1, 6, 2, 9, 5, 1, 5, 3, 5, 7, 2, 1, 1, 6, 4, 3, 9, 3, 3, 3, 3, 7, 9, 3, 8, 2, 1, 4, 3, 4, 0, 5, 6, 9, 8, 6, 3, 4, 1, 2, 5, 7, 5, 0, 2, 2, 2, 4, 4, 7, 3, 0, 5, 6, 4, 4, 4, 3, 0, 1, 5, 3, 1, 7, 0, 0, 8, 5, 1, 9, 3, 5, 0, 1, 7, 1, 8, 7, 9, 2, 8, 1, 0, 9, 7, 0, 8, 1, 1, 3, 8, 1 ]
[ "nonn", "cons", "easy" ]
A162533
[ 1, 1, 2, 4, 10, 26, 68, 176, 454, 1174, 3052, 7976, 20932, 55108, 145448, 384704, 1019462, 2706214, 7194956, 19155896, 51065260, 136284236, 364097912, 973654240, 2605983772, 6980545276, 18712478072, 50196568144, 134739960904, 361892443592, 972537193168 ]
[ "easy", "nonn" ]
A256459
[ 5, 17, 125, 4901, 274625, 36125 ]
[ "nonn", "base", "hard", "more" ]
A299554
[ 0, 0, 0, 0, 1, 0, 0, 3, 3, 0, 0, 6, 9, 6, 0, 0, 17, 31, 31, 17, 0, 0, 41, 166, 220, 166, 41, 0, 0, 104, 752, 2034, 2034, 752, 104, 0, 0, 261, 3739, 17565, 37283, 17565, 3739, 261, 0, 0, 655, 18300, 160089, 621694, 621694, 160089, 18300, 655, 0, 0, 1646, 90313, 1456436 ]
[ "nonn", "tabl" ]
A209829
[ 8, 41, 41, 218, 425, 218, 1169, 4418, 4418, 1169, 6278, 46034, 90000, 46034, 6278, 33725, 479693, 1842509, 1842509, 479693, 33725, 181178, 4998707, 37744836, 74564193, 37744836, 4998707, 181178, 973337, 52089776, 773359089, 3025299170 ]
[ "nonn", "tabl" ]
A344255
[ 1, 0, 1, 0, 1, 1, 2, 1, 2, 1, 4, 3, 5, 3, 5, 5, 8, 8, 9, 8, 12, 12, 17, 16, 18, 18, 22, 25, 30, 29, 33, 36, 44, 45, 51, 54, 59, 63, 71, 78, 87, 90, 99, 106, 120, 124, 136, 147, 157, 166, 182, 199, 216, 223, 238, 259, 280, 298, 314 ]
[ "nonn" ]
A298326
[ 1, 301, 1097, 11727, 170318, 2614097, 41029614, 638898386, 10052063678, 158583602790, 2498340363190, 39397428555775, 621355221314504, 9799418136150296, 154554378914017200, 2437622610570227000 ]
[ "nonn" ]
A145033
[ 1, 1, 1, 1, 3, 1, 1, 5, 6, 1, 1, 7, 14, 10, 1, 1, 9, 25, 30, 15, 1, 1, 11, 39, 65, 55, 21, 1, 1, 13, 56, 119, 140, 91, 28, 1, 1, 15, 76, 196, 294, 266, 140, 36, 1, 1, 17, 99, 300, 546, 630, 462, 204, 45, 1, 1, 19, 125, 435, 930, 1302, 1218, 750, 285, 55, 1 ]
[ "nonn", "tabl", "changed" ]
A206661
[ 81, 423, 2286, 12477, 68253, 373644, 2046027, 11205045, 61367382, 336102549, 1840818345, 10082134260, 55219849119, 302439528345, 1656464709102, 9072479040225, 49690095904605, 272153381274660, 1490588111370819 ]
[ "nonn" ]
A202799
[ 12, 454, 11988, 311144, 8222576, 217145076, 5730640104, 151245101550, 3991784606164, 105354316048660, 2780593210008194, 73387575404296210, 1936901875857360600, 51120219046394980000, 1.3492045357807556e+21 ]
[ "nonn" ]
A322743
[ 8, 4, 6, 15, 21, 45, 111, 261, 1605, 1995, 4935, 8295, 69825, 268155, 550725, 4574955, 13996605, 12024855, 39867135, 398467245, 1698754365, 16351800465, 72026408685, 120554434875 ]
[ "nonn", "base" ]
A107431
[ 3, 5, 4, 7, 4, 5, 9, 7, 5, 6, 11, 8, 7, 6, 3, 13, 10, 9 ]
[ "nonn", "more", "tabl" ]
A050487
[ 1, 2, 5, 6, 9, 12, 15, 16, 19, 22, 25, 28, 31, 34, 37, 38, 41, 44, 47, 50, 53, 56, 59, 62, 65, 68, 71, 74, 77, 80, 83, 84, 87, 90, 93, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141, 144, 147, 150, 153, 156, 159, 162 ]
[ "easy", "nonn" ]
A202091
[ 1, 3, 11, 32, 88, 221, 532, 1213, 2672, 5676, 11724, 23568, 46315, 89076, 168124, 311763, 569000, 1023128, 1814776, 3178000, 5499588, 9411392, 15938221, 26726372, 44402336, 73121988, 119418609, 193488816, 311150404, 496783420, 787753316 ]
[ "nonn" ]
A064699
[ 1, 3, 7, 17, 19, 31, 47, 383, 2897, 3061, 4847, 5359, 10223 ]
[ "more", "nonn" ]
A139739
[ 0, 1, 19, 271, 3439, 40951, 468559, 434062, 13906558, 225159022, 3026431198, 5856821173, 152711390557, 2374402515013, 8492830180156, 176435471621404, 734899055740795, 16614091501667156, 99432188218005280, 544037976289055360, 2738676327544569300 ]
[ "nonn" ]
A118559
[ 1, 3, 7, 9, 111, 133, 135, 171, 331, 357, 535, 537, 553, 717, 735, 11113, 11137, 11173, 11371, 11373, 11535, 11731, 11911, 13113, 13117, 13179, 13317, 13335, 13371, 13515, 13533, 13551, 15333, 15511, 15531, 17313, 17391, 17737, 17913, 17997 ]
[ "base", "nonn" ]
A166925
[ 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9, 1, 9, 9 ]
[ "base", "less", "easy", "nonn" ]
A221054
[ 1, 30, 60, 70, 90, 120, 140, 150, 180, 240, 270, 280, 286, 300, 350, 360, 450, 480, 490, 540, 560, 572, 600, 646, 700, 720, 750, 810, 900, 960, 980, 1080, 1120, 1144, 1200, 1292, 1350, 1400, 1440, 1500, 1620, 1750, 1798, 1800, 1920, 1960, 2145, 2160, 2240, 2250, 2288, 2310, 2400, 2430, 2450, 2584, 2700, 2730, 2800, 2880, 3000, 3135 ]
[ "nonn" ]
A008777
[ 2, 4, 4, 3, 1, 4, 3, 4, 2, 4, 3, 4, 2, 2, 3, 4, 4, 3, 3, 1, 3, 4, 3, 4, 4, 4 ]
[ "nonn", "fini", "word", "full" ]
A384300
[ 1, 2, 840, 665280, 980179200, 2346549004800, 8326896754176000, 41098950018846720000, 2.6939712806564254e+23, 2.2645011476022136e+27, 2.3751156416080625e+31, 3.040803225573247e+35, 4.66721606694175e+39 ]
[ "nonn", "easy" ]
A101164
[ 0, 0, 0, 0, 1, 0, 0, 2, 2, 0, 0, 3, 7, 3, 0, 0, 4, 15, 15, 4, 0, 0, 5, 26, 43, 26, 5, 0, 0, 6, 40, 94, 94, 40, 6, 0, 0, 7, 57, 175, 251, 175, 57, 7, 0, 0, 8, 77, 293, 555, 555, 293, 77, 8, 0, 0, 9, 100, 455, 1079, 1431, 1079, 455, 100, 9, 0, 0, 10, 126, 668, 1911, 3191, 3191, 1911, 668, 126, 10, 0 ]
[ "nonn", "tabl" ]
A348504
[ 1, 1, 1, 7, 1, 1, 1, 5, 13, 1, 1, 7, 1, 1, 1, 31, 1, 13, 1, 7, 1, 1, 1, 5, 31, 1, 10, 7, 1, 1, 1, 21, 1, 1, 1, 91, 1, 1, 1, 5, 1, 1, 1, 7, 13, 1, 1, 31, 57, 31, 1, 7, 1, 10, 1, 5, 1, 1, 1, 7, 1, 1, 13, 127, 1, 1, 1, 7, 1, 1, 1, 13, 1, 1, 31, 7, 1, 1, 1, 31, 121, 1, 1, 7, 1, 1, 1, 5, 1, 13, 1, 7, 1, 1, 1, 21, 1, 57 ]
[ "nonn" ]
A322875
[ 0, 1, 5, 21, 86, 361, 1584, 7315, 35635, 183080, 990659, 5635021, 33622161, 209973099, 1369560267, 9310957518, 65852852210, 483672626464, 3683088047043, 29033382412670, 236591717703447, 1990467019391404, 17268021545339042, 154304401318961500 ]
[ "nonn" ]
A056611
[ 1, 1, 1, 1, 1, 3, 3, 1, 1, 5, 5, 5, 5, 7, 7, 7, 7, 21, 21, 15, 5, 55, 165, 33, 33, 143, 143, 1001, 1001, 1001, 1001, 91, 91, 221, 221, 221, 221, 323, 323, 323, 323, 2261, 2261, 24871, 24871, 572033, 572033, 81719, 81719, 24035, 24035, 312455, 312455, 85215 ]
[ "nonn" ]
A258031
[ 2, 5, 11, 19, 29, 43, 47, 59, 71, 83, 101, 109, 127, 137, 149, 151, 163, 167, 179, 191, 197, 199, 229, 239, 257, 269, 281, 283, 313, 331, 353, 367, 383, 397, 401, 419, 431, 443, 463, 487, 503, 521, 541, 557, 571, 587, 599, 601, 617, 619, 643, 647, 659, 683 ]
[ "nonn", "easy" ]
A274647
[ 0, 1, 3, 6, 2, 7, 13, 20, 12, 21, 11, 22, 10, 23, 9, 24, 8, 25, 43, 62, 42, 63, 41, 18, 66, 91, 65, 38, 94, 123, 93, 124, 92, 59, 127, 162, 126, 89, 51, 90, 50, 132, 174, 131, 87, 177, 223, 176, 128, 79, 29, 80, 28, 81, 27, 82, 26, 83, 141, 200, 140, 201, 139 ]
[ "nonn", "nice" ]