Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A378423
[ 3, 2, 4, 1, 3, 4, 3, 2, 3, 4, 7, 4, 6, 8, 5, 2, 7, 4, 6, 4, 5, 6, 5, 4, 4, 8, 4, 8, 5, 5, 4, 2, 3, 6, 9, 4, 6, 6, 5, 4, 7, 9, 6, 6, 5, 5, 5, 4, 4, 4, 7, 8, 6, 4, 5, 8, 5, 4, 7, 5, 6, 10, 5, 2, 5, 5, 10, 6, 9, 3, 7, 4, 6, 8, 5, 6, 5, 5, 5, 4, 4, 6, 6, 9, 5, 6, 7, 6, 8, 5, 7, 5, 5, 8, 9, 4, 4, 8, 3, 4 ]
[ "nonn" ]
A101210
[ 1, 3, 4, 5, 8, 11, 12, 13, 14, 15, 16, 17, 23, 33, 37, 39, 68, 73, 76, 79, 85, 90, 97, 117, 157, 160, 180, 252, 253, 368, 376, 378, 381, 421, 429, 534, 644, 652, 657, 742, 743, 746, 839, 890, 1026, 1329, 1344, 1345, 1523, 1526, 1545, 1546, 1547, 1550, 1562 ]
[ "easy", "nonn", "obsc" ]
A152244
[ 1, 6, 0, 2, -18, 0, -22, 0, 0, 26, 12, 0, 25, 54, 0, -46, 0, 0, 26, -132, 0, -22, 0, 0, -45, 0, 0, 0, 156, 0, 74, -36, 0, 122, 0, 0, -46, 150, 0, -142, -162, 0, 0, 0, 0, -44, -276, 0, 2, 0, 0, 194, 0, 0, -214, 156, 0, 0, 396, 0, 121, 0, 0, 146, -132, 0, 52, 0, 0, -22, 0, 0, 0, -270, 0, -286, 0, 0, -118 ]
[ "sign" ]
A054572
[ 182, 184, 435, 435, 801, 885, 1012, 1155, 1162, 1336, 1365, 1534, 1648, 1743, 1989, 2295, 2318, 4527, 4917, 4935, 5229, 5428, 5974, 6128, 7155, 7582, 7708, 8733, 9429, 11115, 11637, 13635, 14378, 15128, 15796, 16252, 17098, 17535, 18124, 20306, 21267, 22869 ]
[ "nonn" ]
A035644
[ 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 4, 4, 5, 5, 7, 7, 11, 12, 14, 14, 19, 20, 26, 28, 34, 35, 43, 45, 56, 61, 72, 75, 90, 96, 113, 122, 143, 151, 175, 186, 216, 233, 268, 284, 325, 348, 395, 424, 483, 515, 580, 619, 697, 748, 841, 897, 1002, 1072, 1193, 1277, 1425 ]
[ "nonn" ]
A106784
[ 2999999, 3998999, 4799999, 4979999, 4998989, 4999889, 5789999, 5888999, 5898989, 5899979, 5899997, 5979899, 5988989, 5989889, 5998799, 5999699, 6689999, 6779999, 6799799, 6799889, 6799979, 6888989, 6889997, 6896999 ]
[ "nonn", "base" ]
A077104
[ 1, 3, 18, 12, 200, 14, 3364, 15, 722, 328, 9801, 42, 25281, 116, 1800, 165, 36992, 810 ]
[ "dead" ]
A076284
[ 1, 6, 26, 31, 126, 156, 626, 651, 781, 3126, 3906, 15626, 15751, 16276, 19531, 78126, 97656, 390626, 391251, 406901, 488281, 1953126, 1968876, 2441406, 9765626, 9768751, 10172526, 12207031, 48828126, 61035156, 244140626, 244156251, 244531876, 246109501 ]
[ "nonn" ]
A185745
[ 144, 2568, 33768, 458320, 6315600, 86568360, 1188841336, 16318664224, 224021622784, 3075298469624, 42216821321040, 579540226200864, 7955761780283376, 109214412937074220, 1499264040329450000 ]
[ "nonn" ]
A080937
[ 1, 1, 2, 5, 14, 42, 131, 417, 1341, 4334, 14041, 45542, 147798, 479779, 1557649, 5057369, 16420730, 53317085, 173118414, 562110290, 1825158051, 5926246929, 19242396629, 62479659622, 202870165265, 658715265222, 2138834994142, 6944753544643, 22549473023585 ]
[ "nonn", "easy" ]
A373816
[ 1, 6, 66, 716, 7746, 83748, 905332, 9786456, 105788610, 1143539764, 12361276668, 133621178280, 1444399211188, 15613460929512, 168776165962152, 1824412555458480, 19721274932411584, 213180228200294100, 2304405260270678300, 24909831687105114000 ]
[ "nonn", "easy" ]
A000158
[ 1, 2, 8, 19, 41, 78, 134, 218, 339, 506, 730, 1023, 1397, 1884, 2477, 3218, 4118, 5192, 6486, 8010, 9795, 11888, 14302, 17066, 20256, 23889, 27999, 32637, 37863, 43695, 50218, 57495, 65545, 74431, 84257, 95030, 106840, 119799, 133941, 149311, 166071 ]
[ "nonn" ]
A210684
[ 0, 7, 101, 864, 7365, 63331, 554839, 4931118, 44339730, 402709395, 3687732409, 34007530868 ]
[ "nonn" ]
A165640
[ 1, 0, 1, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 2, 3, 3, 3, 4, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 4, 5, 5, 5, 6, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 6, 7, 7, 7, 8, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 8, 9, 9, 9, 10, 9, 9, 10, 10, 10, 10, 10, 10, 11, 11, 10, 11, 11, 11, 12, 11, 11, 12, 12, 12, 12, 12, 12, 13, 13, 12 ]
[ "nonn" ]
A239900
[ 2, 5, 11, 111, 12211, 149096311, 22229709804712412, 4.9415999800172705e+32 ]
[ "nonn" ]
A245043
[ 1, 3, 15, 117, 1158, 12930, 154986, 1947582, 25317009, 337610451, 4592807895, 63488144109, 889226772132, 12592147132572, 179982549300948, 2593187073716460, 37622924436008580, 549178914689660100, 8059539548880228000, 118846096104074360000, 1.7600351254429602e+21 ]
[ "nonn" ]
A377793
[ 1, 2, 9, 21, 128, 194, 713, 874, 2276, 11898, 12522, 52469, 103824, 99930, 173685, 534743, 1608864, 1438340, 3894769, 5881191, 5008669, 11802600, 16274460, 36220208, 132526590, 178177142 ]
[ "nonn", "hard", "more" ]
A324463
[ 1, 0, 1, 2, 15, 156, 4665, 269618, 31573327, 7375159140, 3450904512841, 3240500443884718, 6113078165054644000, 2.3175001880311844e+22, 1.7654682426700823e+26, 2.7018475137935696e+30, 8.303620347588081e+34 ]
[ "nonn" ]
A008413
[ 1, 10, 50, 170, 450, 1002, 1970, 3530, 5890, 9290, 14002, 20330, 28610, 39210, 52530, 69002, 89090, 113290, 142130, 176170, 216002, 262250, 315570, 376650, 446210, 525002, 613810, 713450, 824770, 948650, 1086002, 1237770, 1404930, 1588490, 1789490, 2009002, 2248130 ]
[ "nonn", "easy" ]
A286373
[ 4, 6, 8, 13, 4, 6, 11, 11, 13, 8, 9, 9, 28, 12, 30, 12, 14, 11, 8, 6, 9, 13, 21, 12, 40, 14, 269, 42, 4, 13, 8, 14, 64, 13, 21, 12, 65, 20, 8, 21, 11, 8, 11, 8, 11, 8, 116, 20, 13, 14, 8, 65, 23, 9, 11, 13, 14, 9, 9, 11, 14, 11, 66, 85, 21, 30, 28, 11, 12, 13, 13, 42, 14, 11, 20, 14, 30, 6, 66, 9, 12, 84, 49, 11, 8, 9, 23, 8, 28, 9, 11, 8, 65, 13, 484, 11, 20 ]
[ "nonn" ]
A232310
[ 2, 24, 1202, 231454, 161243887, 400571676322, 3587649343841650, 115662789623304960000, 1.3420410026776778e+25, 5.604396268950285e+30, 8.423557107575828e+36 ]
[ "nonn" ]
A193540
[ 1, -1, 9, -153, 4977, -261009, 20039481, -2121958377, 296297348193, -52750142341281, 11662264481073128, -3134732109393169400, 1.0067347326958704e+21, -3.807184827181347e+23, 1.6745622915554363e+26, -8.47610076009118e+28 ]
[ "sign" ]
A011788
[ 0, 6, 5616, 660602880, 56653740000000000, 8.479722108192369e+26, 3.583208552536283e+40, 4.5496294945786815e+56 ]
[ "nonn" ]
A045410
[ 3, 5, 11, 17, 23, 29, 41, 47, 53, 59, 71, 83, 89, 101, 107, 113, 131, 137, 149, 167, 173, 179, 191, 197, 227, 233, 239, 251, 257, 263, 269, 281, 293, 311, 317, 347, 353, 359, 383, 389, 401, 419, 431, 443, 449, 461, 467, 479, 491, 503, 509, 521, 557, 563, 569 ]
[ "nonn", "easy" ]
A208409
[ 2, 15, 182, 2698, 41914, 658450, 10370330, 163422914, 2575668586, 40595679634, 639841707002, 10084768380770, 158949607034890, 2505261257850802, 39486313909133976, 622357842865595500, 9809203406810575000 ]
[ "nonn" ]
A011877
[ 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 36, 38, 41, 44, 46, 49, 52, 55, 58, 61, 65, 68, 71, 75, 78, 82, 86, 90, 94, 98, 102, 106, 110, 114, 119, 123, 128, 133, 137, 142, 147, 152, 157, 162, 168, 173, 178, 184, 189 ]
[ "nonn", "easy" ]
A322993
[ 0, 1, 1, 3, 1, 5, 1, 7, 3, 9, 1, 11, 1, 17, 5, 15, 1, 13, 1, 19, 9, 33, 1, 23, 3, 65, 7, 35, 1, 21, 1, 31, 17, 129, 5, 27, 1, 257, 33, 39, 1, 37, 1, 67, 11, 513, 1, 47, 3, 25, 65, 131, 1, 29, 9, 71, 129, 1025, 1, 43, 1, 2049, 19, 63, 17, 69, 1, 259, 257, 41, 1, 55, 1, 4097, 13, 515, 5, 133, 1, 79, 15, 8193, 1, 75, 33, 16385, 513, 135, 1, 45, 9 ]
[ "nonn", "base" ]
A250666
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 12, 25, 40, 57, 76, 97, 120, 145, 172, 400, 809, 1449, 2376, 3652, 5345, 7529, 10284, 13696, 21232, 35417, 60028, 100004, 161664, 252945, 383660, 565776, 813712, 1201856, 1838369, 2895233, 4629793, 7412665, 11761912, 18384420 ]
[ "nonn", "easy" ]
A172909
[ 0, 85, 18852138, 160367559138277, 2.829598597836112e+22, 6.757241126248808e+31, 1.5692725152896386e+42 ]
[ "nonn" ]
A352210
[ 1, 1, 1, 4, 10, 20, 35, 56, 97 ]
[ "nonn", "more" ]
A180565
[ 5, 9, 17, 29, 77, 197, 689, 44537, 159617, 374249, 695957, 4343237, 8439595349, 196119836669, 45036059849537, 108841069412237, 505069584287297 ]
[ "nonn", "more" ]
A351143
[ 1, 0, 1, 2, 5, 16, 61, 258, 1177, 5776, 30537, 173394, 1050045, 6732608, 45459493, 322141106, 2390075249, 18525967328, 149684238801, 1257802518754, 10969260208565, 99100423076912, 926030783479629, 8937741026924450, 88988433270106260, 912906193294356000 ]
[ "nonn" ]
A221967
[ 3, 5, 9, 7, 25, 15, 9, 49, 65, 33, 11, 81, 175, 225, 63, 13, 121, 369, 833, 705, 129, 15, 169, 671, 2241, 3647, 2305, 255, 17, 225, 1105, 4961, 12609, 16513, 7425, 513, 19, 289, 1695, 9633, 34111, 73089, 73983, 24065, 1023, 21, 361, 2465, 17025, 78273, 241153 ]
[ "nonn", "tabl" ]
A357475
[ 1, -1, 0, -2, 0, -3, 0, -4, 2, -5, 8, 0, 26, 19, 74, 74, 195, 221, 464, 560, 1042, 1258, 2154, 2536, 3997, 4341, 6152, 5204, 5447, -1617, -10790, -39710, -83915, -181639, -336564, -633844, -1108334, -1952371, -3293590, -5568202, -9148916, -15017471, -24144556, -38697396, -61005748, -95708150 ]
[ "sign" ]
A276023
[ 3, 2, 9, 8, 5, 0, 8, 9, 0, 2, 7, 3, 8, 7, 0, 6, 8, 6, 9, 3, 8, 2, 1, 0, 6, 5, 0, 3, 7, 4, 4, 5, 1, 1, 7, 0, 3, 6, 9, 4, 4, 7, 9, 0, 9, 1, 5, 6, 1, 8, 3, 4, 3, 8, 5, 3, 1, 9, 5, 4, 6, 5, 6, 1, 3, 5, 3, 5, 1, 0, 4, 4, 9, 3, 3, 1, 7, 1, 4, 5, 7, 9, 9, 8, 2, 9, 6, 2, 7, 0, 0, 0, 1, 2, 7, 9, 9, 7, 4, 7, 7, 5, 7, 6, 8, 6, 2, 9, 0, 0, 0, 5, 4, 6, 3, 5, 9, 5, 9, 3 ]
[ "nonn", "cons" ]
A283683
[ 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1 ]
[ "nonn", "tabl", "nice" ]
A162833
[ 1, 30, 870, 24795, 706440, 20121360, 573111630, 16323709080, 464941707720, 13242748348620, 377187895691040, 10743291699776160, 305996872843541900, 8715586321562342000, 248242553013255670000, 7.070593171000426e+21 ]
[ "nonn" ]
A247378
[ 1, -2, 1, 1, -1, 1, 2, -3, -1, -11, 17, 46, 217, -143, 2383, 10797, 19054, 497689, 2407303, -18692747, -184111831, -1592624618, 26447728169, 396185367129, -372098609569, 104735294255689, 1574163501502418, -29166210748027548, 1549967994300724200 ]
[ "sign" ]
A007972
[ 2, 15, 52, 129, 266, 487, 820, 1297, 1954, 2831, 3972, 5425, 7242, 9479, 12196, 15457, 19330, 23887, 29204, 35361, 42442, 50535, 59732, 70129, 81826, 94927, 109540, 125777, 143754, 163591, 185412, 209345, 235522, 264079, 295156, 328897, 365450, 404967, 447604 ]
[ "nonn" ]
A253986
[ 512, 2736, 11872, 51856, 222400, 914112, 3644672, 14254784, 54856896, 208045808, 779267488, 2888373904, 10608724864, 38652879616, 139832334592, 502668749632, 1796764701568, 6389654104112, 22617698170848, 79723311240208 ]
[ "nonn" ]
A105969
[ 1, 2, 3, 2, 1, 2, 3, 4, 5, 2, 1, 2, 1, 2, 3, 2, 1, 2, 3, 4, 5, 4, 3, 4, 5, 6, 1, 2, 1, 2, 1, 2, 3, 2, 1, 2, 1, 2, 3, 2, 1, 2, 3, 4, 5, 2, 1, 2, 1, 2, 3, 2, 1, 2, 3, 4, 5, 4, 3, 4, 5, 6, 1, 4, 3, 4, 3, 4, 5, 4, 3, 4, 5, 6, 1, 6, 5, 6, 1, 2, 3, 2, 1, 2, 1, 2, 3, 2, 1, 2, 1, 2, 3, 2, 1, 2, 3, 4, 5, 2, 1, 2, 1, 2, 3 ]
[ "nonn" ]
A297474
[ 1, 2, 14, 92, 844, 9304, 121288, 1822736, 31030928, 590248736, 12406395616, 285558273472, 7143371664064, 192972180052352, 5598713198048384, 173627942889668860, 5731684010612724000, 200669613102747220000, 7.426773564495662e+21, 2.8971395851545142e+23 ]
[ "nonn" ]
A166928
[ 2, 4, 7, 8, 0, 5, 2, 6, 8, 0, 2, 8, 8, 3, 0, 2, 4, 1, 1, 8, 9, 3, 7, 3, 6, 5, 1, 6, 8, 9, 4, 6, 9, 0, 3, 0, 7, 8, 6, 8, 1, 4, 2, 3, 1, 2, 6, 8, 9, 0, 9, 9, 1, 6, 3, 5, 9, 1, 2, 6, 3, 8, 1, 0, 0, 8, 7, 1, 1, 2, 5, 2, 2, 1, 6, 7, 0, 1, 4, 6, 4, 0, 5, 1, 4, 7, 3, 2, 1, 8, 3, 4, 8, 6, 9, 3, 6, 6, 9, 3, 6, 9, 2, 0, 1 ]
[ "cons", "nonn" ]
A360334
[ 1, 1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 2, 4, 5, 1, 1, 2, 5, 7, 8, 1, 1, 2, 5, 12, 13, 13, 1, 1, 2, 5, 15, 25, 24, 21, 1, 1, 2, 5, 15, 35, 56, 44, 34, 1, 1, 2, 5, 15, 46, 84, 126, 81, 55, 1, 1, 2, 5, 15, 55, 129, 211, 281, 149, 89, 1, 1, 2, 5, 15, 55, 185, 346, 537, 625, 274, 144, 1 ]
[ "nonn", "tabl" ]
A008018
[ 1, 4, 12, 23, 37, 55, 82, 118, 155, 189, 232, 282, 334, 390, 456, 523, 587, 660, 750, 845, 933, 1015, 1112, 1224, 1334, 1446, 1572, 1691, 1801, 1925, 2074, 2234, 2379, 2513, 2668, 2834, 2994, 3158, 3340, 3519, 3683, 3864, 4078, 4295, 4489, 4667, 4872, 5102 ]
[ "nonn" ]
A217128
[ 4, 5, 6, 7, 9, 11, 13, 15, 16, 18, 19, 20, 21, 22, 25, 26, 29, 30, 31, 32, 33, 34, 35, 36, 38, 39, 42, 43, 46, 47, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, 65, 67, 68, 69, 72, 73, 74, 75, 76, 78, 79, 81, 83, 84, 85, 86, 88, 89, 91, 92, 93, 94, 95, 96, 98, 100 ]
[ "nonn", "easy" ]
A354479
[ 1, 1, 6, 33, 4200, 4192200, 5115600, 545250747888, 10086416728304194000, 1.2655618827583636e+23, 4.5153589956692326e+26, 2.5060647990565598e+38, 1.493469115548888e+42, 4.7083781674990644e+52 ]
[ "nonn", "frac" ]
A026421
[ 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 16, 17, 19, 22, 23, 25, 26, 29, 31, 34, 37, 38, 41, 43, 46, 47, 49, 53, 58, 59, 61, 62, 67, 71, 73, 74, 79, 81, 82, 83, 86, 89, 94, 97, 101, 103, 105, 106, 107, 108, 109, 113, 118, 120, 121, 122, 127, 131 ]
[ "nonn" ]
A366717
[ 11, 11, 11, 5, 11, 7, 11, 5, 11, 11, 11, 5, 11, 11, 11, 5, 11, 7, 11, 5, 11, 11, 11, 5, 11, 11, 11, 5, 11, 7, 11, 5, 11, 11, 11, 5, 11, 11, 11, 5, 11, 7, 11, 5, 11, 11, 11, 5, 11, 11, 11, 5, 11, 7, 11, 5, 11, 11, 11, 5, 11, 11, 11, 5, 11, 7, 11, 5, 11, 11, 11 ]
[ "nonn", "easy", "changed" ]
A270514
[ 14220, 47829828, 22383193638, 4560833505432, 332450685760224, 14156156843376732, 342379234166696600, 5782237511907430000, 69687752498560970000, 656635477063987200000, 4.97779411148223e+21 ]
[ "nonn" ]
A248145
[ 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 3, 1, 1, 2, 1, 1, 1, 7, 1, 1, 1, 2, 1, 1, 1, 2, 6, 1, 5, 11, 7, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 348, 2, 20, 30, 453, 2, 1, 2, 3, 17, 1, 219, 1, 2, 4, 10, 1, 2, 1, 1, 46, 1303, 4, 2, 1, 2, 2, 1 ]
[ "nonn", "base" ]
A074097
[ 2, 4, 13, 15, 21, 22, 23, 27, 29, 34, 36, 40, 42, 50, 75, 81 ]
[ "nonn", "more" ]
A373923
[ 1, 0, 2, 1, 0, 0, 2, 2, 3, 0, 0, 0, 2, 2, 2, 3, 0, 0, 2, 2, 4, 0, 0, 0, -1, 0, 2, 2, 2, 2, 0, 2, 0, -2, 0, -1, 2, 2, 4, 4, 0, 2, 2, 2, 4, 0, 0, 0, 1, -2, 0, 0, 2, 0, 0, 4, 4, 2, 0, 2, 2, 0, 6, 3, 2, 0, 0, -2, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 2, 6, 3, 0, 0, 0, -2, 0, 2, 2 ]
[ "sign" ]
A302209
[ 1, 34, 32, 111, 448, 1725, 6423, 24927, 96909, 373007, 1440865, 5580691, 21589993, 83526057, 323320869, 1251515211, 4844117367, 18751251811, 72587463435, 280991282231, 1087753936319, 4210898294795, 16301265698437, 63105914070197 ]
[ "nonn" ]
A062440
[ 1, 5, 73, 1569, 108833, 4036801, 314563713, 15846654977, 1480518105601, 327498647221249, 26675231740370944, 5516343830694027000, 864423963230785500000, 8.67998980849593e+22 ]
[ "easy", "nonn" ]
A151123
[ 1, 3, 11, 45, 194, 856, 3890, 17830, 82971, 388477, 1834877, 8703169, 41528349, 198727147, 955077237, 4599930984, 22224771699, 107562167514, 521828866882, 2535060981541, 12338785839885, 60123105686473, 293408365114900, 1433209427910397, 7009518045684075, 34309310516310840, 168106935864842940 ]
[ "nonn", "walk" ]
A305120
[ 0, 0, 1, 6, 21, 60, 148, 334, 702, 1396, 2660, 4880, 8687, 15044, 25470, 42212, 68724, 110000, 173522, 269930, 414812, 630032, 947007, 1409266, 2078335, 3038540, 4407334, 6344176, 9068278, 12874676, 18164356, 25472626, 35519617, 49259628, 67964527, 93308202 ]
[ "nonn" ]
A204282
[ 14141, 735, 778, 982, 996, 1496, 2860, 5500, 13636, 35860, 94404, 256196, 698212, 1901476, 5192548, 14183908, 38740068, 105836132, 289145956, 789940324, 2158150756, 5896171108, 16108597860, 44009496164, 120236167780, 328491237988 ]
[ "nonn" ]
A328545
[ 1, 1, 2, 3, 5, 7, 11, 15, 22, 30, 42, 55, 76, 99, 132, 171, 224, 286, 370, 468, 597, 750, 945, 1177, 1472, 1820, 2255, 2772, 3410, 4165, 5092, 6185, 7515, 9085, 10978, 13207, 15884, 19025, 22774, 27170, 32388, 38489, 45705, 54120, 64030, 75569, 89100 ]
[ "nonn" ]
A214788
[ 7, 8, 17, 23, 37, 53, 67, 73, 83, 97, 127, 157, 163, 167, 173, 197, 223, 227, 257, 277, 293, 313, 317, 337, 367, 373, 383, 433, 443, 457, 463, 467, 487, 523, 577, 593, 607, 613, 617, 643, 647, 653, 673, 683, 727, 733 ]
[ "nonn" ]
A376361
[ 0, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 1, 2, 1, 2, 2, 2, 2, 1, 1, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 2, 2, 1, 2, 3, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 2, 3, 3, 1, 2, 2, 2, 2, 1, 2, 1, 1, 1, 2, 2, 1, 2, 2, 2, 3, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2 ]
[ "nonn", "easy" ]
A027278
[ 2, 8, 60, 312, 2030, 11752, 74174, 450292, 2829898, 17572000, 110733420, 695885000, 4403631638, 27874477216, 177101756296, 1126506215424, 7182056699722, 45847087891480, 293141734241436, 1876495434801400, 12026885684352138, 77161051350902460, 495534832203481150 ]
[ "nonn" ]
A153782
[ 24, 300, 300, 2, 17996, 2, 2, 314998, 314998, 2, 2, 317660, 24564676, 317660, 2, 2, 321102, 566678896, 566678896, 321102, 2, 2, 325424, 1253145598, 54193057952, 1253145598, 325424, 2, 2, 330726, 2104391322, 1557145277950, 1557145277950 ]
[ "nonn", "tabl", "uned" ]
A134177
[ 1, 1, -2, -2, 1, 2, 0, -2, 0, 0, -2, 0, 3, 1, -2, -2, 2, 4, 0, 0, 0, 0, -2, 0, 3, 0, -2, -4, 0, 2, 0, -2, 0, 0, 0, 0, 2, 3, -4, -2, 1, 2, 0, -2, 0, 0, -2, 0, 2, 2, -2, -2, 4, 2, 0, 0, 0, 0, 0, 0, 3, 0, -4, -2, 0, 2, 0, -2, 0, 0, 0, 0, 4, 3, -2, -2, 0, 4, 0 ]
[ "sign" ]
A250089
[ 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 100, 104, 112, 115, 120, 121, 130, 136, 140, 148, 200, 205, 208, 215, 224, 230, 240, 242, 300, 312, 320, 336, 345, 400, 403, 410, 416, 430, 448, 500, 520, 524, 600 ]
[ "nonn", "base" ]
A265585
[ 1, 2, 79, 2194, 142675, 7604426, 451816635, 25239520503, 3036006671645, 285945150234342, 28992125588332052, 2716076278306796500, 290648033962717220000, 2.8977699859149137e+22, 2.924647093592212e+24 ]
[ "nonn" ]
A208988
[ 1, 2, 5, 16, 59, 253, 1111, 5067, 23483, 110772, 529201, 2557073, 12471501, 61328336, 303723367, 1513583006, 7584498891, 38192683192, 193171464383, 980903632155 ]
[ "nonn" ]
A007951
[ 1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 19, 20, 22, 23, 25, 28, 29, 31, 32, 34, 35, 37, 38, 41, 43, 46, 47, 49, 50, 52, 55, 56, 58, 59, 61, 62, 64, 65, 68, 70, 71, 73, 74, 76, 77, 79, 82, 83, 85, 86, 88, 91, 92, 95, 97, 98, 100, 101, 103, 104, 106, 109, 110, 112, 113, 115, 116, 118 ]
[ "nonn" ]
A226256
[ 1, 1, 77, 17017, 52055003, 1509595087, 3603403472669, 10151817126357908, 20516822412369330000, 9.057971926836935e+23, 1.1169385182982625e+28, 5.636477922794231e+30, 6.166926860108397e+35, 2.666484298513023e+38 ]
[ "nonn", "frac" ]
A027841
[ 1, 31, 301, 6491, 151711, 6673555, 362072313, 26375525171, 2384038557346, 264381564291841, 35133143655949284, 5515729547285230000, 1.0093734924493794e+21, 2.1299791109825366e+23, 5.1337590023914005e+25, 1.401661681468125e+28 ]
[ "nonn" ]
A323376
[ 0, 1, 2, 1, 0, 4, 1, 2, 4, 3, 1, 1, 0, 6, 10, 1, 2, 4, 6, 5, 12, 1, 1, 1, 0, 5, 3, 8, 1, 2, 4, 3, 10, 4, 16, 18, 1, 1, 4, 2, 0, 12, 16, 18, 11, 1, 2, 2, 6, 10, 12, 16, 9, 11, 28, 1, 2, 4, 6, 10, 0, 16, 3, 22, 28, 5, 1, 1, 2, 3, 10, 6, 4, 3, 22, 14, 30, 36 ]
[ "nonn", "tabl" ]
A373290
[ 1, 9, 4, 3, 6, 5, 8, 7, 2, 11, 10, 13, 12, 17, 19, 23, 14, 29, 15, 31, 37, 41, 16, 43, 47, 53, 59, 61, 18, 67, 20, 71, 73, 79, 83, 89, 21, 97, 101, 103, 22, 107, 24, 109, 113, 127, 25, 131, 137, 139, 149, 151, 26, 157, 163, 167, 173, 179, 27, 181, 28, 191, 193 ]
[ "nonn" ]
A383380
[ 1, 2, 8, 40, 248, 1808, 15136, 142784, 1496960, 17254144, 216740864, 2945973248, 43065951232, 673626675200, 11224114860032, 198447384666112, 3710328985124864, 73136238041563140, 1515739708283945000, 32947698735175172000, 749499782353468500000, 1.7806903161183315e+22 ]
[ "nonn", "easy" ]
A003127
[ 0, 1, 4, 17, 70, 282, 1136, 4583, 18457, 74131, 296945, 1190344, 4773949, 19145523, 76751393, 307503585, 1231182078, 4929075135, 19736248104, 79031964989, 316476142454, 1267191674419, 5073155081395, 20306187559891, 81265371486027 ]
[ "nonn" ]
A070966
[ 1, 1, 1, 2, 1, 2, 1, 2, 3, 2, 1, 4, 1, 2, 3, 4, 1, 4, 1, 4, 3, 2, 1, 6, 5, 2, 3, 4, 1, 8, 1, 4, 3, 2, 5, 8, 1, 2, 3, 8, 1, 6, 1, 4, 7, 2, 1, 8, 7, 6, 3, 4, 1, 6, 5, 10, 3, 2, 1, 12, 1, 2, 9, 8, 5, 6, 1, 4, 3, 12, 1, 12, 1, 2, 7, 4, 7, 6, 1, 12, 9, 2, 1, 14, 5, 2, 3, 8, 1, 16, 7, 4, 3, 2, 5, 12, 1, 8, 9, 12 ]
[ "nonn" ]
A072863
[ 1, 3, 9, 26, 72, 192, 496, 1248, 3072, 7424, 17664, 41472, 96256, 221184, 503808, 1138688, 2555904, 5701632, 12648448, 27918336, 61341696, 134217728, 292552704, 635437056, 1375731712, 2969567232, 6392119296, 13723762688 ]
[ "nonn", "easy" ]
A209574
[ 1, 2, 3, 3, 7, 5, 4, 14, 20, 7, 5, 24, 52, 45, 9, 6, 37, 110, 155, 86, 11, 7, 53, 203, 403, 389, 147, 13, 8, 72, 340, 882, 1240, 856, 232, 15, 9, 94, 530, 1712, 3204, 3322, 1702, 345, 17, 10, 119, 782, 3040, 7170, 10088, 7962, 3125, 490, 19, 11, 147, 1105 ]
[ "nonn", "tabl" ]
A056389
[ 0, 0, 0, 0, 30, 900, 2800, 32010, 139080, 1276170, 2960940, 41625330, 75086430, 801519500, 3162262140, 16463761470, 42395689530, 579164323020, 983928850100, 11241276012750, 37913042832500 ]
[ "nonn" ]
A017463
[ 216, 4913, 21952, 59319, 125000, 226981, 373248, 571787, 830584, 1157625, 1560896, 2048383, 2628072, 3307949, 4096000, 5000211, 6028568, 7189057, 8489664, 9938375, 11543176, 13312053, 15252992, 17373979, 19683000, 22188041, 24897088, 27818127, 30959144 ]
[ "nonn", "easy" ]
A084021
[ 0, 8, 14, 18, 20, 20, 18, 14, 8, 0, 890, 968, 1044, 1118, 1190, 1260, 1328, 1394, 1458, 1520, 1580, 1638, 1694, 1748, 1800, 1850, 1898, 1944, 1988, 2030, 2070, 2108, 2144, 2178, 2210, 2240, 2268, 2294, 2318, 2340, 2360, 2378, 2394, 2408, 2420, 2430, 2438 ]
[ "base", "easy", "nonn" ]
A333473
[ 1, 2, 12, 92, 752, 6352, 54768, 478928, 4231424, 37680320, 337622912, 3040354176, 27492359936, 249463806464, 2270319909632, 20714443816192, 189418898063360, 1735482632719360, 15928224355854336, 146414296847992830, 1347721096376574000, 12421053168197722000 ]
[ "nonn", "easy" ]
A109391
[ 0, 1, 12, 162, 2560, 46875, 979776, 23059204, 603979776, 17433922005, 550000000000, 18830570260326, 695455834963968, 27561634699895024, 1166760716683591700, 52547266845703130000, 2.508757194024499e+21 ]
[ "nonn" ]
A029564
[ 1886, 50711, 149171, 222101, 628421, 766931, 1105646, 1778621, 2523902, 5430047, 5836181, 6265805, 9306986, 10671881, 12450371, 21817715, 24953666, 32029934, 34836791, 38697746, 48807671, 55252571, 57264161, 63697721, 69300086, 74157926 ]
[ "nonn" ]
A089930
[ 3, 13, 47, 73, 83, 269, 349, 359, 487, 569, 787, 859, 929, 941, 1171, 1237, 1297, 1307, 1429, 1549, 1553, 1607, 1877, 2011, 2083, 2111, 2113, 2389, 2399, 2557, 2579, 2633, 2659, 2677, 2749, 2777, 2837, 2969, 3001, 3019, 3067, 3119, 3169, 3203, 3301, 3347, 3413, 3533, 3541, 3637, 3701, 3797, 3833, 3853, 3923, 4001, 4079, 4133, 4217, 4243, 4283, 4363 ]
[ "easy", "nonn" ]
A084856
[ 21, 40, 96, 120, 168, 192, 240, 480, 432, 528, 720, 480, 528, 960, 1272, 912, 1008, 1320, 840, 1200, 1560, 1680, 2520, 2280, 1200, 1248, 1272, 1320, 4248, 4392, 2640, 2160, 3432, 3480, 2448, 3768, 3240, 3360, 4152, 2832, 4440, 4488, 2328, 2352, 5712 ]
[ "nonn" ]
A108826
[ 283, 28888883, 88888888888889, 88888888888888900, 2.888888888888889e+28, 6.888888888888889e+33, 8.888888888888888e+34, 6.888888888888889e+72, 2.888888888888889e+73 ]
[ "easy", "nonn", "base" ]
A087178
[ 1, 4, 106, 630, 26185, 178666, 8991709, 3678166249, 28031525940, 13143231877116, 824038411943548, 6585233816779471, 427212999940414400, 230740449590738880000, 1.2869675838700062e+23, 1.0657637228157932e+24, 6.1467548507946965e+26 ]
[ "nonn" ]
A070868
[ 1, 1, 2, 2, 2, 3, 3, 4, 3, 4, 4, 4, 5, 4, 6, 5, 6, 6, 7, 6, 7, 6, 7, 7, 7, 8, 8, 9, 7, 9, 7, 10, 8, 11, 8, 11, 9, 10, 10, 11, 10, 11, 10, 11, 11, 11, 12, 11, 13, 12, 13, 13, 14, 12, 14, 11, 15, 13, 16, 12, 14, 12, 15, 14, 14, 14, 15, 16, 15, 16, 16, 15, 17, 16, 16, 16, 16, 17, 17, 18 ]
[ "nonn", "easy" ]
A134463
[ 1, 4, 5, 565, 475081, 4565455, 4639740, 4623988479, 5760242508141202000 ]
[ "more", "nonn", "base" ]
A249860
[ 4, 5, 0, 7, 8, 9, 20, 55, 12, 91, 56, 45, 80, 187, 36, 247, 140, 105, 176, 391, 72, 475, 260, 189, 308, 667, 120, 775, 416, 297, 476, 1015, 180, 1147, 608, 429, 680, 1435, 252, 1591, 836, 585, 920, 1927, 336, 2107, 1100, 765, 1196, 2491, 432, 2695, 1400, 969 ]
[ "nonn", "easy" ]
A194298
[ 2, 3, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 1, 3, 1, 3, 2, 1, 3, 1, 3, 1, 2, 3, 1, 2, 3, 1, 2, 2, 2, 2, 2, 3, 2, 2, 1, 2, 2, 2, 3, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 1, 2, 2, 3, 1, 2, 2, 3, 2, 1, 2, 2, 3, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 3, 2, 2 ]
[ "nonn", "tabl" ]
A242432
[ 1, 6, 24, 92, 363, 1483, 6191, 26077, 109987, 462900, 1941613, 8115138, 33805905, 140413073, 581694265, 2404314784, 9917782935, 40837958578, 167889571658, 689231516287, 2825851058202, 11572537702747, 47342211484912, 193485587828057, 790066214186999, 3223470297388819, 13141840760544208, 53540833421980510 ]
[ "nonn" ]
A375114
[ 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 4, 6, 6, 7, 7, 8, 8, 9, 6, 8, 10, 10, 11, 10, 12, 8, 12, 9, 9, 12, 12, 13, 12, 14, 14, 15, 10, 15, 14, 16, 16, 17, 16, 18, 12, 15, 15, 18, 18, 19, 18, 20, 16, 20, 20, 21, 14, 21, 20, 22, 11, 22, 22, 23, 22, 24, 16, 24, 18, 21 ]
[ "nonn" ]
A274255
[ 7, 13, 15, 23, 25, 28, 31, 37, 39, 47, 52, 55, 58, 60, 63, 71, 79, 85, 87, 92, 95, 100, 103, 111, 112, 119, 124, 127, 130, 135, 143, 148, 151, 156, 159, 167, 175, 183, 188, 191, 199, 207, 208, 215, 220, 223, 231, 232, 239, 240, 247, 252, 255, 263, 271, 279, 284 ]
[ "nonn", "easy" ]
A006657
[ 2, 12, 84, 640, 5236, 45164, 406012, 3772008, 35994184, 351173328, 3490681428, 35253449296, 360946635312, 3739935635756, 39159200588780, 413836299216608, 4409705753032648, 47337525317450820, 511563350415103000 ]
[ "nonn", "nice" ]
A345077
[ 1, 6, 48, 414, 3876, 38946, 416808, 4722774, 56379756, 706236426, 9250945008, 126342991614, 1794459834036, 26445918969906, 403610795535288, 6367606516836774, 103683034842400000, 1739933892930545000, 30052751213767045000, 533635421576480800000, 9.730601644306626e+21 ]
[ "nonn" ]
A237234
[ 81, 268, 268, 928, 984, 928, 2784, 3284, 3284, 2784, 9628, 10888, 12014, 10888, 9628, 28912, 36180, 29456, 29456, 36180, 28912, 100008, 120540, 97862, 83436, 97862, 120540, 100008, 300256, 401520, 269844, 233536, 233536, 269844, 401520, 300256 ]
[ "nonn", "tabl" ]
A079469
[ 1, 1, 2, 6, 18, 63, 213, 763, 2716, 9874, 36162, 134328, 503500, 1905675, 7267269, 27906062 ]
[ "more", "nonn" ]
A040890
[ 30, 2, 1, 6, 1, 11, 3, 1, 2, 2, 3, 1, 1, 1, 1, 1, 8, 20, 8, 1, 1, 1, 1, 1, 3, 2, 2, 1, 3, 11, 1, 6, 1, 2, 60, 2, 1, 6, 1, 11, 3, 1, 2, 2, 3, 1, 1, 1, 1, 1, 8, 20, 8, 1, 1, 1, 1, 1, 3, 2, 2, 1, 3, 11, 1, 6, 1, 2, 60, 2, 1, 6, 1, 11, 3, 1, 2, 2, 3, 1, 1, 1, 1, 1, 8, 20, 8, 1, 1 ]
[ "nonn", "cofr", "easy" ]
A132979
[ 1, -3, 6, -12, 24, -45, 78, -132, 222, -363, 576, -900, 1392, -2121, 3180, -4716, 6936, -10098, 14550, -20796, 29520, -41595, 58176, -80856, 111750, -153561, 209820, -285240, 385968, -519840, 696960, -930516, 1237470, -1639314, 2163456, -2845080, 3728904, -4871211 ]
[ "sign" ]