id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A070985
[ 1, 2, 5, 7, 9, 7, 10, 20, 18, 14, 22, 19, 18, 24, 26, 24, 30, 30, 28, 37, 25, 30, 35, 35, 34, 38, 47, 52, 49, 54, 40, 49, 49, 69, 57, 67, 78, 67, 67, 68, 67, 64, 65, 86, 76, 81, 92, 79, 83, 83, 95, 82, 85, 80, 84, 95, 92, 91, 121, 105, 100, 108, 111, 109, 118, 105, 110, 88 ]
[ "easy", "nonn" ]
A381134
[ 0, 24, 648, 96, 29160, 384, 1102248, 1536, 40153320, 6144, 1449771048, 24576, 52230021480, 98304, 1880625147048, 393216, 67705604657640, 1572864, 2437429661950248, 6291456, 87747718878685800, 25165824, 3158920139068980700, 100663296, 113721145341409940000 ]
[ "nonn", "easy" ]
A315962
[ 1, 6, 9, 12, 23, 26, 31, 37, 40, 50, 48, 63, 55, 70, 75, 77, 80, 92, 94, 99, 99, 118, 107, 121, 122, 138, 126, 147, 143, 154, 151, 167, 160, 174, 174, 191, 175, 202, 193, 209, 196, 226, 210, 227, 223, 244, 231, 249, 244, 266 ]
[ "nonn" ]
A224823
[ 1, 2, 1, 3, 4, 1, 5, 4, 0, 6, 6, 3, 5, 6, 2, 6, 8, 0, 7, 8, 4, 9, 6, 1, 11, 10, 0, 8, 6, 5, 9, 12, 3, 7, 14, 0, 11, 8, 5, 13, 10, 4, 8, 8, 0, 14, 16, 5, 11, 12, 1, 16, 10, 0, 14, 14, 7, 9, 12, 5, 14, 14, 0, 7, 16, 7, 18, 14, 4, 19, 10, 0, 12, 16, 9, 13, 20, 0 ]
[ "nonn" ]
A308499
[ 0, 1, 3, 10, 34, 104, 200, -400, -2800, 85120, 2163840, 30240000, 285331200, 1247769600, -15759744000, -392840448000, -1587505920000, 123384188928000, 4345827053568000, 82159404687360000, 749393890172928000, -10215518583029760000, -570363673124044800000, -9.91659535549563e+21 ]
[ "sign" ]
A088824
[ 1, 2, 7, 14, 78, 113, 153, 439, 462, 1215, 2294, 8363, 11102, 12302, 36382, 38370, 60398, 199953, 224090, 421399, 427131, 1947938, 2467022, 2571633, 62395623, 462027217, 2140648015, 6418011931, 43074345625, 52714450814, 71229445182, 90719472005, 105685014433 ]
[ "nonn" ]
A376900
[ 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 8, 10, 10, 10, 11, 11, 11, 11, 13, 13, 14, 14, 17, 17, 17, 18, 18, 18, 18, 19, 20, 21, 23, 25, 25, 25, 25, 27, 27, 27, 27, 29, 31, 31, 31, 34, 34, 34, 34, 37, 37, 37, 37, 40, 41, 42, 43, 43, 45, 45, 46 ]
[ "nonn" ]
A350410
[ -1, 1, 3, 12, 116, -534, -19083, 4653416, 8687989872, -128647855586426, -17178731504646710000, 2.2932060477876905e+25, 3.3674898379221836e+32, -5.93401400122353e+40, -1.3593597955463487e+50, 4.359616519227624e+60 ]
[ "sign" ]
A261559
[ 2, 8, 28, 224, 1232, 4004, 56056, 896896, 8520512, 14910896, 328039712, 41004964, 1066129064, 29851613792, 462700013776, 1346036403712, 4711127412992, 43577928570176, 127381637358976, 652830891464752, 9139632480506528, 402143829142287200, 9450379984843750000 ]
[ "nonn", "frac" ]
A023256
[ 2, 17, 47, 61, 101, 131, 151, 331, 367, 461, 607, 751, 937, 971, 1151, 1321, 1327, 1361, 1481, 1511, 1607, 1811, 1847, 1907, 2081, 2287, 2347, 2357, 2791, 2851, 2971, 3251, 3257, 3457, 3491, 3581, 3761, 4007, 4091, 4127, 4861, 4967, 5231, 5347, 5387, 5407 ]
[ "nonn" ]
A288770
[ 1, 2, 3, 14, 3, 62, 15, 254, 15, 1022, 15, 4094, 15, 16382, 255, 65534, 255, 262142, 255, 1048574, 255, 4194302, 255, 16777214, 255, 67108862, 255, 268435454, 255, 1073741822, 65535, 4294967294, 65535, 17179869182, 65535, 68719476734, 65535, 274877906942 ]
[ "nonn", "easy" ]
A090929
[ 1, 8, 9, 2, 3, 4, 5, 6, 7, 22, 23, 24, 25, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 44, 45, 46, 47, 48, 49, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 74, 75, 76, 77, 78, 79, 80, 81, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64 ]
[ "easy", "nonn" ]
A364325
[ 1, 10, 20, 22, 200, 220, 221, 222, 201, 202, 223, 224, 203, 225, 226, 11, 227, 228, 229, 302, 204, 12, 312, 205, 322, 332, 342, 23, 352, 362, 24, 372, 206, 230, 382, 392, 25, 2200, 2201, 26, 13, 14, 2202, 2203, 27, 2204, 2205, 28, 2206, 2207, 29, 231, 207, 2208, 2209, 208, 240, 15, 2210, 232, 16, 2211 ]
[ "base", "nonn" ]
A114392
[ 1, 4, 25, 16, 100, 81, 64, 400, 324, 289, 256, 1600, 1681, 1296, 1156, 1089, 1024, 6400, 6724, 5184, 4624, 4356, 4225, 4096, 25600, 26896, 20736, 21025, 18496, 17424, 16900, 16641, 16384, 105625, 102400, 107584, 82944, 84100, 73984, 69696 ]
[ "nonn" ]
A054295
[ 8, 13, 15, 43, 46, 77, 82, 94, 96, 117, 137, 141, 163, 168, 170, 172, 176, 190, 191, 195, 213, 222, 241, 249, 262, 281, 289, 297, 307, 323, 328, 340, 346, 366, 376, 377, 398, 412, 418, 421, 470, 471, 476, 478 ]
[ "nonn", "base" ]
A247373
[ 2, 7, 0, 2, 4, 6, 7, 3, 3, 1, 4, 0, 1, 9, 6, 8, 4, 1, 7, 8, 4, 1, 7, 8, 5, 5, 1, 6, 7, 0, 8, 6, 6, 5, 9, 9, 9, 6, 0, 0, 7, 4, 1, 4, 6, 7, 0, 9, 3, 9, 2, 5, 0, 5, 1, 7, 0, 6, 1, 5, 2, 6, 0, 9, 3, 2, 2, 6, 1, 5, 6, 6, 8, 7, 4, 5, 1, 0, 5, 0, 3, 5, 0, 5, 7, 4, 4, 8, 5, 2, 1, 5, 7, 8, 8, 4, 9, 8, 4, 8, 9, 5 ]
[ "nonn", "cons" ]
A058635
[ 1, 1, 3, 21, 987, 2178309, 10610209857723, 2.517288256835495e+26, 1.416938177140565e+53 ]
[ "nonn" ]
A317976
[ 0, 0, 1, 0, 2, 6, 15, 46, 132, 380, 1101, 3180, 9190, 26562, 76763, 221850, 641160, 1852984, 5355225, 15476888, 44729034, 129269310, 373595239, 1079710278, 3120420620, 9018182964, 26063032485, 75323561860, 217689133998, 629133273722, 1818228906675, 5254779066930, 15186593360656, 43890069394800, 126844654738097 ]
[ "nonn", "easy" ]
A111506
[ 0, 0, 0, 0, 0, 0, 0, 9, 2, 7, 7, 2, 9, 3, 0, 1, 6, 5, 9, 4, 8, 5, 2, 3, 6, 1, 5, 0, 5, 8, 5, 6, 6, 8, 9, 6, 0, 4, 8, 5, 5, 4, 0, 5, 4, 2, 1, 3, 0, 2, 9, 3, 0, 5, 4, 7, 6, 2, 9, 9, 2, 4, 7, 1, 0, 6, 8, 0, 3, 0, 8, 8, 2, 1, 7, 2, 1, 8, 9, 0, 4, 1, 1, 0, 9, 0, 8, 8, 8, 4, 2, 2, 7, 3, 2, 2, 6, 8, 2, 6, 0, 2, 5, 5, 6 ]
[ "nonn", "cons" ]
A378415
[ 113, 131, 151, 211, 223, 227, 233, 277, 311, 337, 353, 373, 443, 557, 577, 599, 727, 733, 757, 773, 883, 887, 929, 997, 1009, 1013, 1021, 1031, 1051, 1103, 1117, 1123, 1129, 1153, 1171, 1213, 1223, 1229, 1231, 1291, 1373, 1399, 1447, 1471, 1531, 1553, 1559, 1663, 1667, 1669, 1733, 1777 ]
[ "nonn", "base" ]
A031826
[ 4861, 5086, 5791, 6022, 6199, 7177, 7489, 7492, 7951, 8061, 9001, 9343, 9439, 9748, 9921, 10334, 10837, 11149, 11173, 11677, 12004, 12361, 12681, 12897, 13009, 13259, 13421, 13619, 13641, 13759, 13777, 14143, 14158, 14317, 14341, 14353, 14709, 14797 ]
[ "nonn" ]
A374494
[ 1, 2, 3, 9, 4, 6, 7, 8, 5, 10, 18, 13, 20, 11, 15, 16, 17, 14, 19, 12, 21, 31, 26, 33, 24, 35, 22, 28, 29, 30, 27, 32, 25, 34, 23, 36, 48, 43, 50, 41, 52, 39, 54, 37, 45, 46, 47, 44, 49, 42, 51, 40, 53, 38, 55 ]
[ "nonn", "tabf" ]
A072573
[ 205, 217, 473, 515, 625, 667, 803, 1003, 1207, 1243, 1313, 1465, 1505, 1517, 1537, 1681, 1715, 1795, 1817, 1895, 2075, 2105, 2191, 2303, 2405, 2453, 2585, 2627, 2783, 2933, 3055, 3073, 3175, 3197, 3265, 3337, 3353, 3505, 3565, 3665, 3937, 3995, 4085 ]
[ "nonn" ]
A198630
[ 1, 4, 28, 208, 1540, 11344, 83188, 607408, 4416580, 31986064, 230784148, 1659338608, 11892395620, 84983496784, 605698755508, 4306834677808, 30560156566660, 216449743135504, 1530600006189268, 10808335215521008, 76230379263297700, 537081363012854200, 3780565969722557400 ]
[ "nonn", "easy", "changed" ]
A298672
[ 1, 1, 0, 0, 0, 0, 20, 0, 1121, 72828, 872640, 9037710, 118590450, 1743739426, 24407782672, 424735169040, 7802802463460, 135385454550288, 2823521345232834, 59332856029292240, 1238888844244576000, 28893281420537823000, 684650546073054900000, 1.6342742577592266e+22 ]
[ "nonn" ]
A278742
[ 1, 2, 3, 10, 11, 12, 20, 30, 100, 110, 200, 300, 1000, 1100, 2000, 2100, 3000, 10000, 20000, 30000, 100000, 110000, 120000, 200000, 300000, 1000000, 1100000, 2000000, 3000000, 10000000, 11000000, 20000000, 21000000, 30000000, 100000000, 200000000, 300000000 ]
[ "nonn", "base", "easy" ]
A134501
[ 2, 55, 1597, 46368, 1346269, 39088169, 1134903170, 32951280099, 956722026041, 27777890035288, 806515533049393, 23416728348467684, 679891637638612200, 19740274219868220000, 573147844013817100000, 1.6641027750620564e+22 ]
[ "nonn", "easy" ]
A314206
[ 1, 5, 11, 17, 22, 26, 32, 38, 44, 50, 55, 61, 67, 72, 77, 83, 89, 94, 100, 106, 112, 118, 120, 125, 131, 137, 146, 151, 157, 163, 164, 170, 176, 182, 192, 194, 199, 205, 207, 216, 221, 227, 237, 238, 244, 250, 252, 262, 264, 269 ]
[ "nonn" ]
A280061
[ 0, 2, 2, 43, 47, 61, 83, 109, 467, 1453, 2003, 4909, 18131, 24877, 32467, 225581, 603859, 944429, 1267411, 1485101, 2447059, 9349421, 25253587, 53389613, 88168147, 100575533, 151082707, 989767981, 3596703443, 6738061613, 6851483347 ]
[ "nonn" ]
A376884
[ 0, 0, 1, 1, 1, 4, 7, 10, 23, 46, 79, 157, 315, 588, 1137, 2249, 4337, 8402, 16495, 32179, 62707, 122916, 240837, 471456, 925061, 1816610, 3566865, 7010347, 13789477, 27130956, 53409503, 105205514, 207309743, 408672454, 805989367, 1590166915, 3138371715 ]
[ "nonn" ]
A288869
[ 1, -1, 4, -21, 136, -1045, 9276, -93289, 1047376, -12975561, 175721140, -2581284541, 40864292184, -693347907421, 12548540320876, -241253367679185, 4909234733857696, -105394372192969490, 2380337795595885000 ]
[ "sign", "easy", "frac" ]
A313197
[ 1, 4, 9, 15, 19, 22, 29, 33, 37, 42, 47, 51, 55, 64, 63, 70, 76, 80, 84, 86, 98, 96, 103, 107, 113, 118, 118, 131, 128, 136, 141, 146, 149, 151, 166, 159, 168, 174, 179, 183, 182, 199, 192, 202, 206, 211, 217, 214, 233, 223 ]
[ "nonn" ]
A200244
[ 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0 ]
[ "nonn" ]
A158245
[ 11, 20, 39, 49, 133, 247, 543, 1218, 1651, 1729, 2289, 3097, 4171, 4503, 6231, 7303, 7540, 7563, 8773, 9139, 12439, 16627, 16761, 17157, 20280, 22021, 22393, 37051, 37209, 37387, 45201, 47257, 51961, 65379, 66211, 69601, 100191, 103861, 105339 ]
[ "nonn" ]
A159693
[ 1, 2, 4, 8, 11, 20, 24, 40, 45, 70, 76, 112, 119, 168, 176, 240, 249, 330, 340, 440, 451, 572, 584, 728, 741, 910, 924, 1120, 1135, 1360, 1376, 1632, 1649, 1938, 1956, 2280, 2299, 2660, 2680, 3080, 3101, 3542, 3564, 4048, 4071, 4600, 4624, 5200, 5225, 5850 ]
[ "nonn" ]
A000829
[ 7, 34, 1056, 5884954, 2402661748356256, 3.6923000140842183e+33, 8.974461281414016e+70 ]
[ "nonn" ]
A168337
[ 1, 8, 8, 15, 15, 22, 22, 29, 29, 36, 36, 43, 43, 50, 50, 57, 57, 64, 64, 71, 71, 78, 78, 85, 85, 92, 92, 99, 99, 106, 106, 113, 113, 120, 120, 127, 127, 134, 134, 141, 141, 148, 148, 155, 155, 162, 162, 169, 169, 176, 176, 183, 183, 190, 190, 197, 197, 204, 204, 211 ]
[ "nonn", "easy", "less" ]
A139169
[ 1, 1, 2, 3, 3, 2, 4, 3, 4, 3, 5, 3, 6, 4, 3, 4, 7, 4, 8, 3, 4, 5, 9, 3, 5, 6, 5, 4, 10, 3, 11, 5, 5, 7, 4, 4, 12, 8, 6, 3, 13, 4, 14, 5, 4, 9, 15, 4, 7, 5, 7, 6, 16, 5, 5, 4, 8, 10, 17, 3, 18, 11, 4, 5, 6, 5, 19, 7, 9, 4, 20, 4, 21, 12, 5, 8, 5, 6, 22, 4, 5, 13, 23, 4, 7, 14, 10, 5, 24, 4, 6, 9, 11, 15 ]
[ "nonn" ]
A384131
[ 6, 4, 40, 12, 70, 56, 36, 100, 33, 300, 1000000001, 406, 150, 112, 170, 162, 418, 11020, 336, 528, 828, 4800, 3300, 1404, 1620, 1512, 1218, 1770, 1147, 1344, 1353, 2788, 3325, 3888, 12728, 13376, 13338, 103360, 22878, 23478, 27778, 101728, 103725, 111734, 111578 ]
[ "nonn", "word" ]
A102017
[ 0, 1, 3, 10, 12, 25, 153, 195, 435, 528, 1110, 2562, 2640, 3232, 3882, 4255, 9297, 17292, 23269, 27196 ]
[ "nonn", "hard", "more" ]
A076001
[ 1, 3, 4, 30, 24, 168, 288, 1080, 1920, 12672, 8640, 131040, 161280, 414720, 774144, 10575360, 8294400, 36771840, 69672960, 383201280, 729907200, 4578508800, 2043740160, 45287424000, 65213890560, 180592312320, 347807416320 ]
[ "nonn" ]
A033203
[ 2, 3, 11, 17, 19, 41, 43, 59, 67, 73, 83, 89, 97, 107, 113, 131, 137, 139, 163, 179, 193, 211, 227, 233, 241, 251, 257, 281, 283, 307, 313, 331, 337, 347, 353, 379, 401, 409, 419, 433, 443, 449, 457, 467, 491, 499, 521, 523, 547, 563, 569, 571, 577, 587, 593, 601, 617, 619, 641, 643, 659, 673, 683 ]
[ "nonn", "nice", "easy" ]
A183614
[ 1, 56, 7792, 2708848, 2359936032, 5165337368432, 28435992292698930 ]
[ "nonn" ]
A044998
[ 188, 224, 236, 240, 323, 431, 467, 479, 483, 539, 557, 563, 565, 593, 629, 641, 645, 665, 671, 673, 683, 695, 699, 707, 709, 713, 717, 721, 723, 890, 944, 962, 968, 970, 1052, 1160, 1196, 1208, 1212, 1268, 1286, 1292, 1294 ]
[ "nonn", "base" ]
A005256
[ 1, 3, 6, 12, 23, 45, 87, 171, 336, 666, 1320, 2628, 5233, 10443, 20841, 41637, 83187, 166287, 332403, 664635, 1328934, 2657532, 5314398, 10628130, 21254940, 42508560, 85014492, 170026356, 340047479, 680089725, 1360169007, 2720327571 ]
[ "nonn", "easy", "nice" ]
A345925
[ 2, 9, 11, 14, 34, 37, 39, 42, 45, 47, 52, 57, 59, 62, 132, 137, 139, 142, 146, 149, 151, 154, 157, 159, 164, 169, 171, 174, 178, 181, 183, 186, 189, 191, 200, 209, 211, 214, 220, 226, 229, 231, 234, 237, 239, 244, 249, 251, 254, 520, 529, 531, 534, 540, 546 ]
[ "nonn" ]
A237459
[ 4272, 25974, 125998, 594190, 2864838, 14469792, 71637702, 345945382, 1692387998, 8423481016, 41623347902, 203854940676, 1002036877470, 4949498743130, 24401744486702, 120014028398474, 590821956837072, 2912112513596448 ]
[ "nonn" ]
A152563
[ 5, 11, 37, 61, 107, 181, 467, 563, 821, 947, 2341, 2939, 3833, 4073, 5479, 6043, 9161, 9281, 11399, 12323, 14249, 15263, 16007, 22027, 25117, 26249, 32189, 37987, 39581, 42139, 42853, 43093, 50291, 54449, 62653, 64063, 64919, 70181, 73189, 82219 ]
[ "nonn" ]
A152783
[ 127, 607, 4423, 216091, 1398269, 3021377 ]
[ "nonn", "more" ]
A149186
[ 1, 1, 4, 10, 36, 125, 454, 1722, 6609, 25843, 102590, 411104, 1663187, 6782912, 27831566, 114882503, 476493101, 1985031001, 8300902795, 34833257984, 146612269660, 618823561050, 2618412456313, 11104706758264, 47192773402321, 200945045039469, 857117045058559, 3661934564079485 ]
[ "nonn", "walk" ]
A384056
[ 1, 2, 2, 4, 4, 4, 6, 8, 8, 8, 10, 8, 12, 12, 8, 16, 16, 16, 18, 16, 12, 20, 22, 16, 24, 24, 26, 24, 28, 16, 30, 32, 20, 32, 24, 32, 36, 36, 24, 32, 40, 24, 42, 40, 32, 44, 46, 32, 48, 48, 32, 48, 52, 52, 40, 48, 36, 56, 58, 32, 60, 60, 48, 64, 48, 40, 66, 64, 44 ]
[ "nonn", "easy", "mult" ]
A388402
[ 1, 0, 1, 4, 0, 8, 7, 2, 9, 1, 0, 9, 9, 6, 7, 6, 2, 3, 9, 7, 5, 0, 6, 7, 8, 5, 7, 5, 6, 5, 0, 5, 0, 0, 0, 5, 8, 9, 2, 1, 3, 3, 9, 5, 9, 7, 3, 9, 0, 3, 6, 3, 9, 9, 0, 3, 8, 2, 4, 4, 1, 0, 4, 0, 2, 2, 2, 3, 9, 9, 7, 6, 2, 1, 1, 2, 7, 5, 4, 2, 5, 7, 8, 6, 6, 8, 6 ]
[ "nonn", "cons" ]
A210071
[ 313, 7653, 183628, 4437262, 107248254, 2593403383, 62718516080, 1516857228897, 36686107681359, 887282513364238, 21459693101245664, 519021821704689400, 12553011852527385000, 303605996524472500000, 7.342987441944334e+21 ]
[ "nonn" ]
A280134
[ 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 2, 2, 1, 1, 1, 2, 2, 3, 2, 3, 3, 2, 1, 2, 2, 2, 2, 1, 1, 2, 2, 3, 3, 2, 2, 3, 2, 3, 3, 1, 4, 3, 1, 4, 3, 2, 3, 4, 3, 2, 5, 3, 2, 4, 2, 4, 4, 3, 4, 4, 3, 3, 5, 2, 2, 6, 4, 2, 5, 4, 3, 6, 3, 2, 3, 4, 4, 5, 3, 2, 6, 4, 3, 5, 1, 5, 6, 2, 3, 4, 4, 3, 6, 3, 4, 8, 3, 3, 4, 3, 3, 5, 2, 2, 6, 4, 3, 6, 5 ]
[ "nonn" ]
A071617
[ 1, 4, 256, 46656, 10000000000, 8916100448256, 18446744073709552000, 3.934640807529654e+22, 3.4142787736421956e+29, 3.3145523113253375e+40, 2.05891132094649e+44 ]
[ "easy", "nonn" ]
A258912
[ 1178, 1364, 1408, 1656, 1767, 1836, 1922, 1984, 2108, 2196, 2328, 2368, 3162, 3336, 3410, 3996, 4096, 4123, 4144, 4278, 4898, 5064, 5076, 5084, 5248, 5456, 5488, 5673, 6014, 6208, 6504, 6784, 6816, 7416, 7998, 8618, 8896, 9088, 9184, 9517, 10048, 10292, 10864 ]
[ "nonn" ]
A290979
[ 0, 1, 1, 1, 2, 1, 2, 3, 2, 2, 4, 2, 2, 5, 4, 3, 6, 3, 5, 7, 4, 4, 8, 5, 4, 9, 7, 5, 10, 5, 8, 11, 6, 7, 12, 6, 6, 13, 10, 7, 14, 7, 11, 15, 8, 8, 16, 8, 10, 17, 13, 9, 18, 11, 14, 19, 10, 10, 20, 10, 10, 21, 16, 13, 22, 11, 17, 23, 14, 12, 24, 12, 12, 25, 19, 14, 26 ]
[ "nonn" ]
A144062
[ 1, 4, 5, 8, 11, 18, 23, 30, 37, 42, 43, 44, 57, 58, 69, 80, 81, 86, 93, 94, 97, 100, 101, 102, 103, 108, 109, 110, 111, 116, 123, 124, 125, 132, 133, 134, 137, 140, 143, 144, 145, 146, 165, 172, 175, 178, 181, 186, 193, 196, 197, 198, 203, 204, 215, 218, 219 ]
[ "easy", "nonn" ]
A025607
[ 1, 0, 14, 84, 896, 10080, 127904, 1708224, 23426816, 325032960, 4532831744, 63353816064, 886318555136, 12404650352640, 173642248822784, 2430854346031104, 34031138021113856, 476430995352453100, 6670004313281921000, 93379882656019510000, 1.3073172908047346e+21 ]
[ "nonn", "easy", "walk" ]
A074500
[ 0, 1, 1, 2, 1, 3, 3, 5, 5, 4, 6, 6, 7, 10, 12, 12, 12, 16, 17, 19, 24, 25, 28, 30, 29, 33, 38, 42, 48, 52, 47, 51, 54, 60, 59, 66, 69, 72, 78, 81, 85, 92, 92, 100, 106, 114, 112, 111, 117, 126, 132, 137, 146, 147, 152, 157, 162, 172, 177, 185, 194, 196, 194, 202, 212 ]
[ "nonn" ]
A266290
[ 1, 0, 5, 91, 40727, 20874574, 23274835718, 39868129982498, 102457584348682980 ]
[ "nonn" ]
A289780
[ 1, 4, 14, 47, 156, 517, 1714, 5684, 18851, 62520, 207349, 687676, 2280686, 7563923, 25085844, 83197513, 275925586, 915110636, 3034975799, 10065534960, 33382471801, 110713382644, 367182309614, 1217764693607, 4038731742156, 13394504020957, 44423039068114 ]
[ "nonn", "easy" ]
A178895
[ 0, 9, 18, 27, 36, 45, 54, 63, 72, 73, 90, 91, 108, 109, 126, 127, 144, 153, 146, 155, 180, 189, 182, 191, 216, 217, 218, 219, 252, 253, 254, 255, 288, 297, 306, 315, 292, 301, 310, 319, 360, 361, 378, 379, 364, 365, 382, 383, 432, 441, 434, 443, 436, 445, 438 ]
[ "nonn", "look" ]
A099320
[ 1, 2, 2, 4, 1, 2, 1, 3, 12, 3, 6, 3, 6, 3, 3, 24, 12, 12, 12, 12, 12, 12, 12, 12, 6, 12, 4, 12, 12, 12, 12, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 15, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 5, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60 ]
[ "nonn", "frac" ]
A157651
[ 57, 308, 759, 1410, 2261, 3312, 4563, 6014, 7665, 9516, 11567, 13818, 16269, 18920, 21771, 24822, 28073, 31524, 35175, 39026, 43077, 47328, 51779, 56430, 61281, 66332, 71583, 77034, 82685, 88536, 94587, 100838, 107289, 113940, 120791, 127842 ]
[ "nonn", "easy" ]
A175837
[ 12, 18, 24, 30, 36, 40, 42, 48, 54, 56, 60, 66, 70, 72, 78, 80, 84, 88, 90, 96, 100, 102, 108, 112, 114, 120, 126, 132, 138, 140, 144, 150, 156, 160, 162, 168, 174, 176, 180, 186, 192, 196, 198, 200, 204, 208, 210, 216, 220, 222, 224, 228, 234, 240, 246, 252 ]
[ "nonn" ]
A033892
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 23, 24, 27, 30, 32, 36, 40, 42, 48, 54, 55, 56, 60, 63, 64, 72, 80, 96, 108, 110, 112, 120, 126, 128, 144, 160, 168, 180, 192, 216, 240, 253, 256, 288 ]
[ "nonn", "fini", "full", "changed" ]
A325104
[ 0, 0, 0, 2, 2, 5, 9, 15, 15, 20, 26, 35, 43, 54, 66, 80, 80, 89, 99, 114, 126, 143, 161, 182, 198, 219, 241, 266, 290, 317, 345, 375, 375, 392, 410, 437, 457, 486, 516, 551, 575, 608, 642, 681, 717, 758, 800, 845, 877, 918, 960, 1007, 1051, 1100, 1150, 1203 ]
[ "nonn" ]
A134552
[ 1, 52, 2414, 111108, 5111131, 235112408, 10815171642, 497497898476, 22884903384541, 1052705558030480, 48424455776753220, 2227524970668044300, 102466148877848720000, 4.713442858828497e+21, 2.1681837198669384e+23 ]
[ "nonn", "easy" ]
A009846
[ 1, 4, 11, 22, 40, 64, 89, 120, 160, 203, 248, 305, 364, 422, 488, 563, 638, 721, 808, 909, 1000, 1102, 1211, 1321, 1435, 1559, 1690, 1828, 1961, 2099, 2252, 2395, 2557, 2724, 2889, 3072, 3240, 3418, 3610, 3794, 3994, 4206, 4406, 4634, 4841, 5056, 5293 ]
[ "nonn" ]
A070697
[ 0, 1, 8, 12, 4, 5, 6, 13, 2, 9, 10, 11, 3, 7, 14, 0, 1, 8, 12, 4, 5, 6, 13, 2, 9, 10, 11, 3, 7, 14, 0, 1, 8, 12, 4, 5, 6, 13, 2, 9, 10, 11, 3, 7, 14, 0, 1, 8, 12, 4, 5, 6, 13, 2, 9, 10, 11, 3, 7, 14, 0, 1, 8, 12, 4, 5, 6, 13, 2, 9, 10, 11, 3, 7, 14, 0, 1, 8, 12, 4, 5, 6, 13, 2, 9, 10, 11, 3, 7, 14 ]
[ "dead" ]
A177365
[ 6, 16, 1126, 311236, 51222346, 615233141556, 916253244576, 10182634465961720, 1.0141927364751263e+21, 2.0191122938485147e+22, 3.0231162103104114e+25, 6.030118213311415e+25, 8.037119216313415e+28, 1.2046121219314417e+29 ]
[ "easy", "nonn", "base" ]
A012765
[ 1, 1, 1, 5, 17, 65, 385, 2221, 15073, 119873, 1010945, 9786229, 101590513, 1171166529, 14396384769, 194493711517, 2765830859457, 42939774236801, 694784293696513, 12195226930738276, 221386930443511520 ]
[ "nonn" ]
A111517
[ 3, 15, 19, 31, 39, 43, 51, 55, 75, 79, 99, 111, 123, 139, 159, 163, 171, 175, 183, 195, 211, 231, 235, 259, 279, 283, 291, 295, 303, 315, 319, 339, 343, 351, 379, 411, 415, 423, 435, 451, 459, 463, 475 ]
[ "nonn", "easy" ]
A269313
[ 2, 7, 23, 19, 5, 11, 5, 17, 5, 7, 11, 11, 23, 7, 13, 17, 13, 41, 11, 17, 23, 2, 7, 53, 19, 5, 19, 5, 11, 13, 11959, 7, 13, 19, 89, 11, 17, 19, 11, 13, 17, 19, 11, 7, 11, 13, 47, 89, 7, 23, 47, 11, 17, 29, 53, 11, 13, 43, 17, 5, 7, 11, 7, 13, 971, 29, 11, 17, 29 ]
[ "nonn", "base", "easy" ]
A341819
[ 1, 2, 4, 8, 16, 3, 9, 6, 15, 21, 5, 10, 12, 11, 26, 7, 17, 18, 20, 19, 29, 27, 33, 40, 22, 39, 23, 31, 43, 13, 14, 53, 24, 63, 34, 41, 28, 25, 49, 59, 30, 32, 35, 44, 42, 45, 48, 36, 50, 37, 38, 51, 52, 56, 61, 58, 46, 60, 54, 57, 70, 66, 62, 47, 67, 75, 55, 80, 76, 85, 90, 71, 68, 78, 65, 77, 64 ]
[ "base", "nonn" ]
A314246
[ 1, 5, 11, 17, 23, 29, 34, 39, 43, 49, 55, 61, 70, 75, 78, 83, 89, 94, 102, 107, 113, 118, 121, 130, 135, 140, 147, 153, 156, 162, 167, 173, 180, 185, 194, 197, 200, 207, 213, 218, 226, 231, 235, 240, 245, 254, 259, 264, 271, 275 ]
[ "nonn" ]
A034759
[ 1, 4, 6, 14, 14, 34, 26, 54, 47, 74, 58, 136, 74, 134, 128, 187, 106, 260, 122, 296, 220, 262, 158, 502, 227, 342, 316, 500, 214, 682, 226, 612, 436, 486, 460, 1031, 302, 558, 548, 1070, 346, 1174, 362, 964, 910, 710, 398, 1720, 615, 1132, 776, 1224, 478, 1658 ]
[ "nonn" ]
A370992
[ 1, 0, 0, 0, 4, 10, 20, 35, 5656, 55524, 352920, 1801965, 85636540, 1762160686, 22992890284, 232001269955, 6581012518640, 197506018950920, 4224661065644016, 69931313468126170, 1757395269147356400, 60785516594782520000, 1.818493252905482e+21 ]
[ "nonn" ]
A275144
[ 14, 216, 400, 1088, 2320, 6464, 17872, 49792, 139664, 392448, 1102416, 3095808, 8693584, 24414784, 68567696, 192568832, 540817040, 1518847552, 4265581328, 11979603776, 33643929040, 94486756224, 265359817104, 745245528576 ]
[ "nonn" ]
A032779
[ 0, 1120, 110880, 1441440, 5189184, 58605120, 349949600, 639381600, 3765731200, 12841684128, 136367431200, 1442885004000, 4895245266912, 28461435424576, 51671930508000, 300266024938880, 3166522452945280, 10732052830603104 ]
[ "nonn", "fini", "full" ]
A315300
[ 1, 6, 10, 16, 19, 28, 32, 42, 41, 52, 50, 64, 64, 78, 70, 88, 79, 100, 96, 114, 99, 124, 108, 136, 128, 150, 128, 160, 137, 172, 160, 186, 157, 196, 166, 208, 192, 222, 186, 232, 195, 244, 224, 258, 215, 268, 224, 280, 256, 294 ]
[ "nonn" ]
A372438
[ 6, 18, 20, 54, 56, 60, 100, 162, 168, 176, 180, 280, 300, 392, 416, 486, 500, 504, 528, 540, 840, 880, 900, 1088, 1176, 1232, 1248, 1400, 1458, 1500, 1512, 1584, 1620, 1936, 1960, 2080, 2432, 2500, 2520, 2640, 2700, 2744, 2912, 3264, 3528, 3696, 3744, 4200 ]
[ "nonn", "base" ]
A239281
[ 0, 1, 1, 2, 1, 2, 2, 2, 3, 1, 3, 2, 2, 3, 2, 3, 3, 2, 3, 3, 3, 3, 4, 1, 2, 4, 2, 2, 4, 2, 3, 2, 3, 4, 3, 3, 3, 4, 2, 4, 3, 3, 4, 3, 4, 3, 3, 4, 4, 2, 3, 4, 4, 3, 4, 3, 4, 4, 3, 5, 1, 3, 2, 4, 4, 4, 3, 3, 5, 2, 4, 4, 4, 4, 4, 5, 2, 3, 3, 3, 5, 3, 3, 4, 2, 4, 3, 3, 4, 5, 2, 4, 3, 5, 3, 4, 3, 4, 5, 3 ]
[ "nonn" ]
A126476
[ 1, 8, 44, 252, 1446, 8300, 47642, 273466, 1569700, 9010108, 51718192, 296863410, 1704001644, 9781001986, 56143138234, 322262685896, 1849793972828, 10617852738356, 60946677537854, 349835093256180, 2008060117756986 ]
[ "nonn", "base" ]
A036310
[ 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 128, 138, 144, 162, 184, 192, 207, 216, 243, 256, 276, 288, 324, 368, 384, 414, 432, 446, 466, 486, 512, 529, 552, 576, 621, 648, 669, 699, 729, 736, 768, 828, 864, 892, 932, 972 ]
[ "nonn", "easy", "base" ]
A385158
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 199, 200, 300, 400, 500, 600, 700, 800, 900, 919, 1000, 1188, 1818, 1881, 1909, 1990, 2000, 2999, 3000, 4000, 5000, 6000, 7000, 8000, 8118, 8181, 9000, 9019, 9190, 9299, 9929, 10000 ]
[ "nonn", "base" ]
A308198
[ 0, 2, 6, 7, 9, 15, 19, 20, 22, 24, 26, 30, 31, 33, 39, 43, 46, 50, 51, 53, 59, 63, 64, 66, 68, 70, 74, 75, 77, 81, 83, 87, 88, 90, 96, 100, 101, 103, 105, 107, 111, 112, 114, 120, 124, 127, 131, 132, 134, 140, 144, 145, 147, 151, 155, 156, 158, 164, 168, 169, 171, 173, 175, 179, 180, 182, 188, 192, 195, 199, 200, 202 ]
[ "nonn", "base" ]
A186771
[ 1, 2, 3, 6, 12, 27, 48, 130, 252, 705, 1386, 2295, 7125, 17316, 31959, 51054, 74601, 102600, 351315, 748440, 2123189, 4198848, 6975417, 10452896, 14631285, 19510584, 25090793, 31371912, 38353941, 46036880, 54420729, 63505488, 73291157, 83777736, 94965225, 106853624, 119442933, 132733152 ]
[ "nonn" ]
A244805
[ 1, 16, 55, 118, 205, 316, 451, 610, 793, 1000, 1231, 1486, 1765, 2068, 2395, 2746, 3121, 3520, 3943, 4390, 4861, 5356, 5875, 6418, 6985, 7576, 8191, 8830, 9493, 10180, 10891, 11626, 12385, 13168, 13975, 14806, 15661, 16540, 17443, 18370, 19321, 20296, 21295, 22318, 23365, 24436, 25531 ]
[ "nonn", "easy" ]
A284096
[ 15, 60, 742, 7676, 658616, 5751374, 410634197, 3391163718, 224130479264, 114008694617177, 900514339622670, 433608267793696640, 26233583234732253000, 203297097133861900000, 1.2132170565093316e+22, 5.519292499505416e+24, 2.4787141382364034e+27 ]
[ "nonn" ]
A358007
[ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 2, 0, 0, 1, 0, 1, 1, 1, 2, 0, 1, 1, 1, 2, 1, 1, 2, 1, 2, 1 ]
[ "nonn" ]
A018918
[ 3, 6, 11, 20, 36, 64, 113, 199, 350, 615, 1080, 1896, 3328, 5841, 10251, 17990, 31571, 55404, 97228, 170624, 299425, 525455, 922110, 1618191, 2839728, 4983376, 8745216, 15346785, 26931731, 47261894, 82938843, 145547524, 255418100, 448227520, 786584465 ]
[ "nonn" ]
A216917
[ 1, 1, 1, 2, 1, 1, 6, 1, 1, 1, 12, 3, 2, 1, 1, 60, 3, 2, 1, 1, 1, 60, 15, 4, 3, 2, 1, 1, 420, 15, 20, 3, 6, 1, 1, 1, 840, 105, 20, 15, 12, 1, 2, 1, 1, 2520, 105, 140, 15, 12, 1, 6, 1, 1, 1, 2520, 315, 280, 105, 12, 5, 12, 3, 2, 1, 1, 27720, 315, 280, 105, 84 ]
[ "nonn", "tabl" ]
A048703
[ 0, 5, 10, 15, 65, 85, 105, 125, 130, 150, 170, 190, 195, 215, 235, 255, 1025, 1105, 1185, 1265, 1285, 1365, 1445, 1525, 1545, 1625, 1705, 1785, 1805, 1885, 1965, 2045, 2050, 2130, 2210, 2290, 2310, 2390 ]
[ "nonn", "base" ]
A182914
[ 1, 1, 3, 18029, 6272051, 2399400481893, 2.3608927421287023e+24, 1.2254080741908533e+39, 2.1118336434741966e+57, 6.102165391174031e+82 ]
[ "nonn", "frac" ]
A216723
[ 0, 0, 5, 18, 84, 568, 4122, 33910 ]
[ "nonn" ]
A364292
[ 3, 6, 7, 12, 14, 15, 24, 28, 29, 30, 31, 48, 56, 58, 59, 60, 61, 62, 63, 96, 112, 116, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 192, 223, 224, 232, 236, 238, 239, 240, 242, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 383, 384, 446, 447, 448, 464, 472, 476, 478, 479, 480, 484, 488, 490, 492 ]
[ "nonn" ]
A252886
[ 116455, 1284278, 16537346, 225544537, 3149891207, 44167941250, 621648578727, 8763434911242, 123590318373434, 1744386975870153, 24622988271070760, 347580473915148100, 4907368094866221000, 69285051181963250000 ]
[ "nonn" ]
A108542
[ 3, 5, 11, 17, 31, 37, 47, 59, 67, 109, 127, 157, 163, 167, 173, 211, 241, 263, 271, 293, 313, 367, 389, 439, 449, 457, 503, 571, 593, 613, 619, 643, 661, 677, 701, 727, 739, 787, 823, 911, 983, 991, 1021, 1069, 1163, 1187, 1231, 1289, 1381, 1429, 1487, 1523 ]
[ "nonn" ]