id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A017536
[ 1, 28561, 390625, 1874161, 5764801, 13845841, 28398241, 52200625, 88529281, 141158161, 214358881, 312900721, 442050625, 607573201, 815730721, 1073283121, 1387488001, 1766100625, 2217373921 ]
[ "nonn", "easy" ]
A058938
[ 1, 6, 8, 13, 20, 21, 34, 36, 48, 56, 63, 87, 89, 92, 94, 104, 106, 107, 111, 116, 117, 118, 120, 130, 132, 133, 141, 146, 147, 162, 170, 173, 179, 183, 185, 186, 198, 202, 203, 206, 215, 217, 219, 220, 225, 242, 248, 249, ...
[ "easy", "nonn", "base" ]
A104219
[ 1, 1, 1, 3, 2, 1, 11, 7, 3, 1, 45, 28, 12, 4, 1, 197, 121, 52, 18, 5, 1, 903, 550, 237, 84, 25, 6, 1, 4279, 2591, 1119, 403, 125, 33, 7, 1, 20793, 12536, 5424, 1976, 630, 176, 42, 8, 1, 103049, 61921, 26832, 9860, 3206...
[ "nonn", "tabl" ]
A194636
[ 0, 0, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 4, 1, 1, 1, 1, 1, 5, 3, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 1, 4, 1, 1, 1, 2, 1, 1, 1, 3, 3, 1, 3, 6, 1, 1, 1, 1, 1, 1, 2, 1, 2...
[ "sign" ]
A155130
[ 1, 6, 48, 378, 2982, 23520, 185514, 1463238, 11541264, 91031514, 718009446, 5663286720, 44669073162, 352326519174, 2778969146352, 21919069658682, 172886271635238, 1363637389057440, 10755665624848746, 84835121097343300 ]
[ "nonn" ]
A388445
[ 1, 0, 4, 9, 2, 5, 3, 4, 0, 6, 8, 1, 4, 3, 2, 9, 4, 1, 9, 7, 2, 2, 5, 5, 9, 6, 2, 5, 4, 8, 1, 7, 7, 7, 1, 1, 9, 4, 2, 6, 8, 2, 0, 9, 0, 9, 4, 3, 5, 0, 2, 3, 9, 2, 8, 5, 4, 3, 5, 4, 8, 8, 8, 0...
[ "nonn", "cons" ]
A156702
[ 1, 127, 161, 287, 289, 415, 449, 575, 577, 703, 737, 863, 865, 991, 1025, 1151, 1153, 1279, 1313, 1439, 1441, 1567, 1601, 1727, 1729, 1855, 1889, 2015, 2017, 2143, 2177, 2303, 2305, 2431, 2465, 2591, 2593, 2719, 2753, 2879, 2881, 3007...
[ "nonn", "easy" ]
A297765
[ 1, 7, 186, 1181, 7081, 73352, 759243, 6588378, 57693478, 533724767, 4922696680, 44623406796, 405152379143, 3698469278671, 33742294413274, 307321953516448, 2799705826422060, 25518781471597350, 232579566114463230 ]
[ "nonn" ]
A089340
[ 1, 4, 10, 16, 27, 36, 33, 39, 54, 63, 75, 87, 111, 194, 129, 177, 156, 147, 222, 270, 210, 309, 285, 315, 366, 294, 336, 357, 378, 375, 420, 429, 600, 546, 603, 636, 525, 624, 714, 564, 912, 609, 594, 702, 660, 756, 840, 8...
[ "base", "nonn" ]
A350436
[ 1, 2, -26, 366, -6270, 99922, -1630730, -33526706, 1685562866, -390576999182, -2936125610490, -3666605533359442, -376235732409401600, -85462222978639050000, -1.6821593963787582e+22, -3.977651379054471e+24, -1.01961779374577e+27, -2.8825235987786583e+29, -8.909612915162632e+31 ]
[ "sign" ]
A118781
[ -196, 272, -251, 149, -423, 909, -408, -452, 958, -123, -112, -460, 84, -271, -187, -162, 63, 7, 101, -483, -133, 205, -860, -46, 339, 1178, 848, 366, 1084, 719, -384, 334, -2736, -984, -1912, 214, 34, 40, -1735, -60, 64, -2263, -34...
[ "easy", "sign" ]
A278526
[ 1, 2, 4, 2, 6, 2, 4, 2, 8, 2, 12, 2, 6, 2, 16, 2, 6, 2, 6, 2, 6, 2, 6, 2, 8, 2, 24, 2, 6, 2, 6, 2, 12, 2, 12, 2, 30, 2, 4, 2, 6, 2, 6, 2, 24, 2, 6, 2, 6, 2, 24, 2, 6, 2, 36, 2, 30, 2, 6, 2, 12, ...
[ "nonn" ]
A150223
[ 1, 2, 6, 21, 84, 341, 1445, 6309, 27788, 125044, 570195, 2614993, 12120861, 56615783, 265431493, 1252372891, 5937958979, 28227542252, 134746021085, 645350756373, 3096830635056, 14903561941625, 71893392943530, 347324211311272, 1681464054920885, 8154591774594199, 39...
[ "nonn", "walk" ]
A207118
[ 6, 36, 102, 289, 612, 1296, 2340, 4225, 6890, 11236, 17066, 25921, 37352, 53824, 74472, 103041, 138030, 184900, 241230, 314721, 401676, 512656, 642252, 804609, 992082, 1223236, 1487570, 1809025, 2173520, 2611456, 3104336, 3690241, 4345302 ]
[ "nonn" ]
A358819
[ 4, 5, 8, 9, 10, 11, 12, 15, 22, 23, 40, 43, 44, 46, 49, 54, 59, 60, 61, 65, 70, 76, 77, 81, 87, 90, 92, 94, 100, 105, 107, 109, 110, 112, 125, 130, 131, 135, 150, 156, 158, 167, 170, 171, 182, 184, 185, 196, 201, 203, ...
[ "nonn" ]
A135205
[ 1, 2, 3, 4, 6, 9, 10, 11, 12, 15, 18, 20, 21, 24, 25, 27, 30, 32, 33, 36, 42, 45, 46, 54, 55, 63, 72, 75, 81, 88, 90, 91, 93, 100, 101, 102, 105, 108, 111, 112, 117, 120, 121, 122, 123, 124, 126, 127, 135, 141, 144, ...
[ "easy", "nonn", "base" ]
A228114
[ -1, 0, 1, 2, 3, -34, -59, -9, 176, 1749, 490, -842, 4297, 13427, -92418, -253834, 925307, 2903111, -27385699, 28776158, 81540379, 40700461, -1160432518, 2692289572, 175794995 ]
[ "sign", "base", "less" ]
A005598
[ 1, 2, 4, 8, 14, 24, 36, 54, 76, 104, 136, 178, 224, 282, 346, 418, 498, 594, 696, 816, 944, 1084, 1234, 1406, 1586, 1786, 1998, 2228, 2470, 2740, 3018, 3326, 3650, 3994, 4354, 4738, 5134, 5566, 6016, 6490, 6980, 7510, 8052, 8636, ...
[ "nonn", "nice" ]
A279241
[ 1601, 1447, 1301, 1163, 1033, 911, 797, 691, 593, 503, 421, 347, 281, 223, 173, 131, 97, 71, 53, 43, 41, 47, 61, 83, 113, 151, 197, 251, 313, 383, 461, 547, 641, 743, 853, 971, 1097, 1231, 1373, 1523 ]
[ "fini", "nonn" ]
A359035
[ 1, 2, 6, 5, 12, 8, 21, 14, 18, 32, 15, 38, 24, 51, 28, 50, 23, 58, 36, 48, 13, 74, 62, 45, 60, 16, 92, 77, 34, 44, 11, 70, 122, 53, 142, 90, 108, 19, 182, 164, 40, 125, 86, 82, 96, 72, 25, 98, 150, 165, 54, 112, ...
[ "nonn" ]
A362799
[ 1, 1, 2, 11, 63, 542, 5183, 62211, 830252, 12900381, 220566835, 4223662522, 88001471869, 2007052809465, 49309469989666, 1306455781607975, 36973887007453310, 1116728635342926600, 35775769695237120000, 1.213704083311915e+21 ]
[ "nonn" ]
A378852
[ 1, 1, 2, 1, 4, 1, 6, 1, 8, 1, 10, 11, 5, 3, 5, 4, 6, 3, 9, 1, 20, 13, 9, 2, 16, 4, 12, 15, 7, 5, 11, 23, 12, 20, 26, 4, 18, 3, 24, 11, 32, 16, 8, 6, 14, 20, 38, 1, 48, 1, 50, 23, 24, 17, 9, 6, 20, 47, ...
[ "nonn", "base", "look" ]
A223628
[ 5, 57, 574, 5303, 45580, 371569, 2888847, 21682470, 157890604, 1122989213, 7823305028, 53616424319, 362154769507, 2417927626645, 15974816173984, 104654549193585, 680333442419474, 4395052276257145, 28227767989525124 ]
[ "nonn" ]
A325755
[ 1, 2, 9, 12, 18, 36, 40, 60, 84, 112, 120, 125, 132, 156, 180, 204, 225, 228, 250, 252, 276, 280, 336, 348, 352, 360, 372, 396, 440, 441, 444, 450, 468, 492, 516, 520, 540, 560, 564, 600, 612, 636, 675, 680, 684, 708, 732, ...
[ "nonn" ]
A362388
[ 1, 2, 5, 7, 10, 17, 29, 46, 73, 119, 194, 313, 505, 818, 1325, 2143, 3466, 5609, 9077, 14686, 23761, 38447, 62210, 100657, 162865, 263522, 426389, 689911, 1116298, 1806209, 2922509, 4728718, 7651225, 12379943, 20031170, 32411113, 52442281, 84...
[ "nonn", "easy" ]
A229745
[ 0, 0, 1, 0, 1, 1, -1, -1, 1, 1, 0, 0, 1, -2, -1, -1, 1, 1, 0, 0, 1, -1, 0, 0, 1, 0, 1, 1, 2, -2, -2, -3, 1, 1, 0, 0, 1, -1, 0, 0, 1, 0, 1, 1, 2, -1, -1, -2, 1, 0, 1, 1, 2, 0, 0, -1, 2, 1, 1, -4, -...
[ "sign" ]
A159114
[ 1, 37, 894, 18208, 342672, 6224250, 111721428, 2009540349, 36544829517, 675995682446 ]
[ "nonn" ]
A111094
[ 1, 2, 4, 6, 7, 9, 10, 11, 15, 17, 21, 22, 24, 27, 29, 30, 32, 34, 35, 41, 42, 45, 46, 49, 51, 52, 55, 56, 59, 62, 64, 65, 71, 72, 79, 81, 85, 86, 87, 90, 92, 94, 97, 99, 100, 104, 111, 112, 114, 116, 119, 120, 12...
[ "nonn", "easy" ]
A255045
[ 1, 1, 2, 1, 2, 3, 4, 1, 2, 3, 4, 3, 6, 9, 8, 1, 2, 3, 4, 3, 6, 9, 8, 3, 6, 9, 10, 11, 20, 25, 16, 1, 2, 3, 4, 3, 6, 9, 8, 3, 6, 9, 10, 11, 20, 25, 16, 3, 6, 9, 10, 11, 20, 25, 18, 11, 20, 27, 30, 41...
[ "nonn", "tabf" ]
A296711
[ 9, 18, 19, 27, 28, 29, 36, 37, 38, 39, 45, 46, 47, 48, 49, 54, 55, 56, 57, 58, 59, 63, 64, 65, 66, 67, 68, 69, 72, 73, 74, 75, 76, 77, 78, 79, 81, 90, 162, 171, 172, 180, 181, 243, 252, 253, 261, 262, 263, 270, 271, ...
[ "nonn", "base", "easy" ]
A062190
[ 1, 1, 6, 1, 14, 21, 1, 24, 84, 56, 1, 36, 216, 336, 126, 1, 50, 450, 1200, 1050, 252, 1, 66, 825, 3300, 4950, 2772, 462, 1, 84, 1386, 7700, 17325, 16632, 6468, 792, 1, 104, 2184, 16016, 50050, 72072, 48048, 13728, 1287, 1, 1...
[ "nonn", "tabl" ]
A095290
[ 1, 0, 1, 3, 5, 8, 14, 30, 40, 86, 162, 289, 541, 1017, 1881, 3527, 6652, 12641, 23855, 45455, 86753, 165844, 317363, 609942, 1171377, 2253588, 4343268, 8381084, 16198859, 31329311, 60683252, 117637523, 228259189 ]
[ "nonn" ]
A116055
[ 55, 66, 666, 2211, 222111, 339900, 1188111, 22221111, 88000011, 111221155, 553330011, 2200066611, 2222211111, 2233558866, 55666666611, 77771144466, 222222111111, 880022001111, 888000000111, 1111226666655, 5533355001111 ]
[ "nonn", "base" ]
A377521
[ 0, 0, 0, 15, 48, 115, 217, 385, 611, 945, 1366, 1947, 2650, 3575, 4663, 6045, 7637, 9605, 11836, 14535, 17556, 21147, 25125, 29785, 34903, 40825, 47282, 54675, 62686, 71775, 81571, 92597, 104425, 117645, 131768, 147455, 164152, 182595, 2021...
[ "nonn", "easy" ]
A311868
[ 1, 4, 8, 13, 17, 21, 26, 32, 34, 39, 44, 49, 54, 56, 60, 67, 70, 74, 80, 82, 88, 96, 95, 99, 108, 109, 112, 122, 121, 126, 137, 135, 138, 149, 148, 151, 162, 161, 165, 177, 174, 178, 190, 187, 190, 203, 199, 205, 218, ...
[ "nonn" ]
A298248
[ 1, 1, 1, 0, 1, 1, 0, 4, 0, 1, 1, 0, 10, 2, 10, 0, 1, 1, 0, 20, 12, 54, 12, 20, 0, 1, 1, 0, 35, 42, 212, 140, 212, 42, 35, 0, 1, 1, 0, 56, 112, 675, 880, 1592, 880, 675, 112, 56, 0, 1, 1, 0, 84, 252, 1845, 3...
[ "nonn", "tabf" ]
A225426
[ 1, 8, 9, 5, 27, 32, 1, 48, 49, 1, 63, 64, 1, 80, 81, 32, 49, 81, 4, 121, 125, 3, 125, 128, 1, 224, 225, 1, 242, 243, 2, 243, 245, 7, 243, 250, 13, 243, 256, 81, 175, 256, 1, 288, 289, 100, 243, 343, 32, 343, 375, 5...
[ "nonn" ]
A015466
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,...
[ "sign" ]
A195797
[ 1, 1, 4, 125, 5052, 5828215, 479534519840 ]
[ "nonn" ]
A145515
[ 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 4, 1, 1, 1, 2, 5, 10, 1, 1, 1, 2, 6, 23, 36, 1, 1, 1, 2, 7, 46, 239, 202, 1, 1, 1, 2, 8, 82, 1086, 5828, 1828, 1, 1, 1, 2, 9, 134, 3707, 79326, 342383, 27338, 1, 1, 1, ...
[ "nonn", "tabl" ]
A374787
[ 1, 4, 6, 8, 10, 24, 14, 32, 18, 8, 22, 16, 26, 56, 60, 32, 34, 72, 38, 80, 4, 88, 46, 64, 50, 104, 108, 112, 58, 48, 62, 128, 132, 136, 28, 16, 74, 152, 52, 64, 82, 16, 86, 176, 180, 184, 94, 64, 98, 40, 204, 208, ...
[ "nonn", "easy", "frac" ]
A069186
[ 1, 8, 12, 63, 224, 240, 575, 1224, 1260, 2303, 3968, 6399, 14399, 20448, 20592, 28223, 38024, 38220, 50175, 65024, 65280, 82943, 104328, 104652, 129599, 159200, 159600, 193599, 233288, 233772, 278783, 330624, 389375, 455624 ]
[ "easy", "nonn" ]
A288118
[ 2, 1, 3, 4, 5, 6, 7, 8, 10, 9, 11, 13, 12, 14, 16, 15, 17, 19, 18, 21, 20, 22, 23, 25, 24, 26, 27, 29, 28, 31, 30, 33, 32, 34, 36, 35, 37, 38, 39, 41, 40, 43, 42, 45, 44, 46, 47, 49, 48, 50, 52, 51, 53, 54, 5...
[ "nonn" ]
A204755
[ 1175, 38553, 833401, 306477369, 27008204541, 88406706477089, 30627642821922196 ]
[ "nonn" ]
A318993
[ 1, 2, 4, 3, 8, 7, 16, 5, 9, 19, 32, 17, 64, 53, 11, 128, 23, 256, 67, 49, 131, 512, 59, 27, 311, 25, 241, 1024, 2048, 31, 719, 83, 4096, 1619, 361, 331, 8192, 227, 16384, 739, 3671, 32768, 277, 81, 103, 2063, 65536, 97, ...
[ "nonn" ]
A359813
[ 3, 12, 45, 171, 619, 2560, 10774, 46708, 202635, 904603, 4073767, 18604618, 85445767, 395944114, 1837763447, 8600149593 ]
[ "base", "nonn", "more" ]
A043865
[ 4369, 4370, 4371, 4376, 4377, 4379, 4380, 4381, 4382, 4385, 4386, 4387, 4388, 4390, 4391, 4396, 4397, 4398, 4401, 4402, 4403, 4404, 4406, 4407, 4408, 4409, 4411, 4484, 4486, 4487, 4488, 4489, 4491, 4492, 4493, 4494 ]
[ "nonn", "base" ]
A388384
[ 1, 0, 4, 5, 1, 6, 9, 5, 0, 8, 0, 4, 2, 7, 2, 9, 6, 3, 3, 8, 9, 4, 3, 1, 1, 9, 8, 8, 0, 1, 3, 3, 2, 2, 1, 7, 8, 5, 0, 6, 5, 8, 0, 2, 1, 2, 8, 7, 1, 2, 4, 7, 8, 1, 0, 4, 4, 4, 2, 2, 4, 6, 0, 2...
[ "nonn", "cons" ]
A281250
[ 2, 1222, 105368, 3291920, 76670685, 1545796513, 28420462973, 491401215701, 8126888074239, 129958666983361, 2024165699180711, 30866308386890564, 462552108806872500, 6831420125251082000, 99653407647500370000 ]
[ "nonn" ]
A300176
[ 1, 8, 255, 32321, 16288960, 32640586945, 260070240849459, 8239275981240122000, 1.0378946413155989e+24, 5.198563446659327e+29, 1.0353311467096873e+36 ]
[ "nonn" ]
A127981
[ 1, 4, 13, 34, 85, 202, 469, 1066, 2389, 5290, 11605, 25258, 54613, 117418, 251221, 535210, 1135957, 2402986, 5068117, 10660522, 22369621, 46836394, 97867093, 204122794, 425022805, 883600042, 1834308949, 3802835626, 7874106709 ]
[ "nonn", "easy" ]
A361652
[ 1, 1, 0, 1, 0, 0, 1, 0, 2, 0, 1, 0, 4, 3, 0, 1, 0, 6, 6, 16, 0, 1, 0, 8, 9, 56, 65, 0, 1, 0, 10, 12, 120, 250, 336, 0, 1, 0, 12, 15, 208, 555, 1812, 1897, 0, 1, 0, 14, 18, 320, 980, 5148, 12614, 11824, 0, 1...
[ "nonn", "tabl" ]
A146717
[ 1, 1, 1, 1, 1, 5, 17, 39, 155, 745, 4705, 39573, 369483, 3970963, 54943873, 950039207, 20417177215, 545483266919, 17663079620537, 695250063366563, 33778790635375372 ]
[ "nonn" ]
A161082
[ 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 3, 3, 3, 5, 4, 5, 6, 7, 7, 9, 9, 10, 11, 12, 14, 14, 15, 16, 17, 19, 19, 22, 23, 25, 28, 29, 32, 35, 39, 41, 44, 47, 51, 55, 59, 66, 69, 74, ...
[ "nonn" ]
A295505
[ 1, 3, 15, 60, 255, 1005, 4095, 16320, 65520, 261885, 1048575, 4193220, 16777215, 67104765, 268435185, 1073725440, 4294967295, 17179802640, 68719476735, 274877644740, 1099511623665, 4398045462525, 17592186044415, 70368739967040, 281474976710400 ]
[ "nonn" ]
A244813
[ 1, 5, 2, 0, 1, 5, 2, 2, 3, 1, 4, 1, 1, 1, 7, 2, 9, 1, 3, 0, 3, 4, 2, 3, 6, 7, 1, 7, 3, 7, 9, 0, 3, 2, 1, 2, 8, 3, 3, 4, 7, 8, 6, 6, 0, 7, 8, 9, 7, 0, 1, 2, 8, 7, 4, 5, 3, 8, 8, 9, 2, 3, 1, 2...
[ "nonn", "easy" ]
A261288
[ 166, 233, 504, 1147, 2586, 6034, 14106, 32496, 75202, 175008, 405940, 940390, 2182098, 5064284, 11745648, 27244774, 63209588, 146635614, 340152614, 789099398, 1830590414, 4246594798, 9851282946, 22853254768, 53015328992 ]
[ "nonn" ]
A096460
[ 1, 2, 4, 6, 11, 22, 35, 47, 94, 143, 167, 334, 503, 1006, 1511, 3022, 4535, 5447, 5879, 11758, 17639, 18239, 18336, 18532, 18688, 18763, 19439, 22223, 22607, 22704, 22763, 22896, 22954, 23478, 23546, 23802, 27774, 29322, 29508, 31972, 3...
[ "nonn", "nice" ]
A252907
[ 5567, 42647, 361750, 3321526, 31101826, 293166855, 2779386634, 26422127321, 251365182149, 2393376335753, 22799665288410, 217194895643722, 2069420807703495, 19719401115769840, 187896935466387360 ]
[ "nonn" ]
A277031
[ 1, 0, 1, 0, 1, 1, 0, 5, 0, 1, 0, 20, 3, 0, 1, 0, 109, 10, 0, 0, 1, 0, 668, 44, 7, 0, 0, 1, 0, 4801, 210, 28, 0, 0, 0, 1, 0, 38894, 1320, 90, 15, 0, 0, 0, 1, 0, 353811, 8439, 554, 75, 0, 0, 0, 0, 1, 0, 356...
[ "nonn", "tabl" ]
A296408
[ 1, 1, 1, 3, 20, 900, 530530 ]
[ "nonn", "more" ]
A051652
[ 2, 1, 0, 26, 23, 118, 53, 120, 409, 532, 293, 1140, 211, 1340, 1341, 1342, 1343, 1344, 2179, 15702, 3967, 15704, 15705, 19632, 16033, 19634, 19635, 31424, 31425, 31426, 24281, 31428, 31429, 31430, 31431, 31432, 31433, 155958, 155959, 1559...
[ "nonn", "nice" ]
A192093
[ 1, 21, 357, 406, 490, 584, 827, 1090, 1914, 3262, 6228, 10226, 17114, 25534, 41034, 61778, 102644, 163334, 278554, 446898, 747274, 1175494, 1926612, 3021594, 4960170, 7880334, 13028058, 20841466, 34355316, 54835150, 89785130 ]
[ "nonn" ]
A387237
[ 1, 15, 145, 1155, 8260, 55188, 351960, 2170080, 13042095, 76827465, 445335891, 2547479025, 14412134100, 80773641900, 449065521300, 2479190589180, 13603361708775, 74238475926825, 403197150223175, 2180369322394725, 11744998515662720, 63044308615576200, 337323759106291100 ]
[ "nonn" ]
A313608
[ 1, 5, 10, 14, 20, 24, 28, 30, 34, 41, 48, 53, 56, 60, 66, 72, 76, 76, 78, 87, 94, 101, 102, 106, 114, 118, 124, 122, 124, 133, 140, 147, 148, 152, 162, 166, 170, 168, 170, 181, 186, 193, 192, 198, 210, 214, 218, 212, 216...
[ "nonn" ]
A263428
[ 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1...
[ "nonn", "tabf", "easy" ]
A245779
[ 1, 2, 3, 4, 6, 8, 10, 12, 18, 24 ]
[ "nonn", "fini", "full" ]
A086755
[ 2, 20, 92, 292, 742, 1624, 3192, 5784, 9834, 15884, 24596, 36764, 53326, 75376, 104176, 141168, 187986, 246468, 318668, 406868, 513590, 641608, 793960, 973960, 1185210, 1431612, 1717380, 2047052, 2425502, 2857952, 3349984, 3907552 ]
[ "nonn", "easy" ]
A330020
[ 1, 3, 7, 49, 121, 2161, 5041, 127681, 725761, 12852001, 39916801, 2917918081, 6227020801, 392423391361, 4740319584001, 122053759027201, 355687428096001, 57808258040332800, 121645100408832000, 18854997267794690000, 289799177540640770000, 7.306005040298918e+21 ]
[ "nonn" ]
A338299
[ 19, 61, 127, 331, 631, 1801, 3169, 3571, 5419, 8269, 13267, 16651, 19441, 24571, 55897, 59221, 145861, 151201, 176419, 246247, 260191, 292969, 347821, 360187, 368551, 377011, 398581, 698419, 733591, 863497, 915769, 929077, 990151, 1024921, 1155061,...
[ "nonn" ]
A022765
[ 1, 2, 5, 7, 14, 19, 20, 40, 51, 54, 109, 140, 146, 147, 148, 296, 382, 399, 401, 402, 403, 806, 1038, 1084, 1091, 1093, 1095, 1096, 2193, 2824, 2948, 2968, 2972, 2977, 2979, 2980, 5961, 7676, 8014, 8068, 8080, 8094, 8098, 8100, ...
[ "nonn" ]
A106053
[ 0, 0, 1, 2, 8, 22, 72, 218, 691, 2158, 6833, 21612, 68726, 218892, 699197, 2237450, 7174018, 23038582, 74097134, 238625222, 769407486, 2483532218, 8024499657, 25951580444, 83999410292, 272098963300, 882045339733, 2861184745710, 9286923094550, 30161343633746 ...
[ "nonn" ]
A303004
[ 1, 1, 3, 10, 39, 186, 962, 5587, 35367, 241216, 1771052, 13827925, 114558314, 1001769237, 9208116647, 88737108635, 893505145271, 9379190223746, 102402586369892, 1160487000658679, 13627075242031720, 165524499516422460, 2076762033563394600, 26877177548737580000 ]
[ "nonn" ]
A300730
[ 3, 5, 6, 8, 10, 12, 13, 17, 19, 20, 22, 27, 32, 34, 36, 37, 41, 43, 44, 46, 61, 67, 68, 82, 84, 91, 95, 107, 119, 126, 129, 131, 153, 167, 204, 211, 214, 252, 261, 416, 452, 489, 499, 537, 6006, 6265, 6266, 6312, 190852,...
[ "nonn" ]
A125830
[ 5, 13, 23, 31, 47, 53, 73, 157, 173, 211, 233, 257, 263, 353, 373, 563, 593, 607, 619, 647, 653, 733, 947, 977, 1069, 1097, 1103, 1123, 1187, 1223, 1283, 1367, 1433, 1453, 1459, 1493, 1499, 1511, 1613, 1709, 1747, 1753, 1759, 1789...
[ "nonn" ]
A258656
[ 1, 1, 3, 5, 2, 10, 13, 23, 43, 57, 66, 96, 183, 229, 375, 509, 619, 883, 1395, 1947, 2487, 3603, 4627, 6273, 8934, 12432, 15637, 20943, 29147, 37613, 50296, 67870, 88542, 113240, 153682, 201900, 257125, 338397, 446354, 570098, 734576, ...
[ "nonn" ]
A034727
[ 1, 18, 198, 1098, 10989, 109888, 1078999, 10998988, 109989999, 1078999989, 10999999989, 108999999989, 1098999999999, 10899899999998, 104999999999999, 1018899999999999, 10199998999999998, 100999999999999980 ]
[ "nonn", "base" ]
A086413
[ 0, 1, 1, 2, 2, 3, 2, 3, 4, 3, 4, 3, 5, 4, 5, 4, 6, 5, 4, 6, 5, 7, 6, 5, 7, 6, 5, 8, 7, 6, 8, 7, 6, 9, 8 ]
[ "dead" ]
A175686
[ 0, 1, 1, 2, 3, 4, 7, 7, 14, 11, 25, 16, 41, 22, 63, 29, 92, 37, 129, 46, 175, 56, 231, 67, 298, 79, 377, 92, 469, 106, 575, 121, 696, 137, 833, 154, 987, 172, 1159, 191, 1350, 211, 1561, 232, 1793, 254, 2047, 277, 2324, ...
[ "nonn", "easy" ]
A132690
[ 1, 1, 1, -1, 1, 1, 5, -2, 1, 1, -43, 12, -3, 1, 1, 527, -118, 22, -4, 1, 1, -8396, 1605, -250, 35, -5, 1, 1, 164672, -27816, 3810, -455, 51, -6, 1, 1, -3835910, 585046, -72492, 7735, -749, 70, -7, 1, 1, 103464895, -14459138,...
[ "tabl", "sign" ]
A083598
[ 13390, 17534, 17535, 37322, 49055, 51217, 54936, 63456, 93041, 102313, 119629, 129328, 130642, 145266, 154373, 168318, 171928, 196073, 202377, 204243, 211058, 211059, 213051, 215287, 215288, 235900, 237791, 254228, 254524, 275491, 293800 ]
[ "nonn", "base" ]
A252053
[ 1552, 2440, 2440, 2812, 2454, 2812, 3494, 2552, 2552, 3494, 5192, 3030, 2674, 3030, 5192, 7642, 6136, 4390, 4390, 6136, 7642, 10084, 10324, 10114, 6562, 10114, 10324, 10084, 15096, 14924, 17166, 16536, 16536, 17166, 14924, 15096, 22090, 28990...
[ "nonn", "tabl" ]
A026814
[ 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 5, 7, 11, 15, 22, 29, 40, 52, 70, 89, 116, 146, 186, 230, 288, 352, 434, 525, 638, 764, 919, 1090, 1297, 1527, 1801, 2104, 2462, 2857, 3319, 3828, 4417, 5066, 5812, 6630, 7564, 8588, 9...
[ "nonn", "easy" ]
A327650
[ 0, 1, 1, 3, 4, 3, 6, 3, 3, 9, 9, 9, 9, 13, 12, 11, 16, 9, 18, 9, 18, 15, 18, 9, 24, 9, 9, 27, 28, 27, 30, 27, 27, 33, 33, 27, 36, 37, 27, 27, 40, 39, 42, 37, 36, 41, 42, 33, 48, 49, 48, 35, 52, 27, 53, 27, ...
[ "nonn" ]
A320526
[ 0, 0, 0, 2, 10, 40, 141, 464, 1480, 4600, 14145, 43052, 130480, 393820, 1186521, 3568784, 10725760, 32213200, 96714465, 290284052, 871142800, 2613981700, 7843080201, 23531425304, 70598731840, 211804847800, 635432109585, 1906330676252, 5719061512720, 17157321...
[ "nonn", "easy" ]
A085260
[ 1, 12, 155, 2003, 25884, 334489, 4322473, 55857660, 721827107, 9327894731, 120540804396, 1557702562417, 20129592507025, 260127000028908, 3361521407868779, 43439651302265220, 561353945521579100 ]
[ "nonn" ]
A079811
[ 1, 2, 2, 6, 7, 10, 10, 18, 19, 24, 24, 36, 37, 44, 44, 60, 61, 70, 70, 90, 91, 102, 102, 126, 127, 140, 140, 168, 169, 184, 184, 216, 217, 234, 234, 270, 271, 290, 290, 330, 331, 352, 352, 396, 397, 420, 420, 468, 469, ...
[ "easy", "nonn" ]
A104130
[ 10, 130, 140, 160, 170, 250, 290, 310, 340, 490, 500, 640, 650, 670, 910, 920, 940, 1040, 1060, 1070, 1180, 1190, 1220, 1270, 1280, 1330, 1340, 1360, 1390, 1460, 1490, 1600, 1610, 1670, 1790, 1910, 1960, 1970, 1990, 2000, 2050, 2060, ...
[ "base", "nonn" ]
A127118
[ 2, 12, 30, 56, 99, 130, 204, 266, 345, 464, 558, 740, 861, 946, 1128, 1325, 1534, 1647, 1876, 2130, 2336, 2607, 2822, 3115, 3492, 3838, 4017, 4280, 4578, 4972, 5715, 6026, 6576, 6811, 7450, 7701, 8164, 8802, 9185, 9688, 10203, 10498, ...
[ "nonn", "easy" ]
A159265
[ 379009, 379000009, 37900000009, 379000000009, 3.79e+39, 3.79e+46, 3.79e+69 ]
[ "nonn", "word" ]
A382825
[ 1, 1, 1, 2, 4, 2, 6, 11, 11, 6, 24, 39, 55, 39, 24, 120, 174, 255, 255, 174, 120, 720, 942, 1338, 1623, 1338, 942, 720, 5040, 6012, 8106, 10434, 10434, 8106, 6012, 5040, 40320, 44244, 56292, 72762, 82116, 72762, 56292, 44244, 40...
[ "nonn", "tabl" ]
A376874
[ 6, 20, 28, 88, 104, 272, 304, 550, 650, 368, 464, 496, 1184, 1312, 1376, 1504, 1696, 1888, 1952, 11132, 4288, 4544, 4672, 5056, 5312, 5696, 6208, 6464, 6592, 6848, 6976, 7232, 8128, 16768, 17536, 17792, 19072, 19328, 20096, 20864, 21376...
[ "nonn" ]
A217714
[ 1, 0, -2, -3, 4, 15, -62, -273, 1384, 7935, -50522, -353793, 2702764, 22368255, -199360982, -1903757313, 19391512144, 209865342975, -2404879675442, -29088885112833, 370371188237524, 4951498053124095, -69348874393137900, -1015423886506852400, 15514534163557087000, 24...
[ "sign" ]
A281955
[ 1, 2, 2, 4, 8, 4, 8, 30, 30, 8, 16, 112, 133, 112, 16, 32, 420, 587, 587, 420, 32, 64, 1576, 2559, 3389, 2559, 1576, 64, 128, 5912, 11251, 19089, 19089, 11251, 5912, 128, 256, 22176, 49293, 111354, 130416, 111354, 49293, 22176, ...
[ "nonn", "tabl" ]
A144055
[ 1, 4, 13, 75, 765, 12167, 294579, 11514473, 740527130, 74320148705, 11850151989347, 3053892893918393, 1251352342040855000, 814829245618611600000, 8.497145055822402e+23 ]
[ "nonn" ]
A224384
[ 2, 18, 290, 4914, 83522, 1419858, 24137570, 410338674, 6975757442, 118587876498, 2015993900450, 34271896307634, 582622237229762, 9904578032905938, 168377826559400930, 2862423051509816000, 48661191875666870000, 827240261886336800000, 1.4063084452067724e+22 ]
[ "nonn", "easy" ]
A375612
[ 1, 1, 3, 2, 7, 25, 6, 22, 81, 299, 24, 90, 338, 1271, 4785, 120, 456, 1734, 6598, 25121, 95699, 720, 2760, 10584, 40602, 155810, 598119, 2296777, 5040, 19440, 75000, 289416, 1117062, 4312438, 16651633, 64309755, 40320, 156240, 605520, 234...
[ "nonn", "tabl" ]
A135855
[ 1, 5, 1, 10, 6, 1, 16, 16, 7, 1, 23, 32, 23, 8, 1, 31, 55, 55, 31, 9, 1, 40, 86, 110, 86, 40, 10, 1, 50, 126, 196, 196, 126, 50, 11, 1, 61, 176, 322, 392, 322, 176, 61, 12, 1, 73, 237, 498, 714, 714, 498, 237, 73...
[ "nonn", "tabl" ]
A057173
[ 3, 17, 23, 29, 47, 61, 1619, 18251, 106187, 201653, 1178033, 1321757, 1827773, 3417779 ]
[ "nonn", "more", "hard", "changed" ]
A371878
[ 1, 63, 727, 4031, 15621, 45801, 117643, 257983, 529981, 984123, 1771551, 2930537, 4826797, 7411509, 11356467, 16510911, 24137553, 33388803, 47045863, 62968251, 85526461, 111607713, 148035867, 187553641, 244078121, 304088211, 386356147, 474218933, 594823293, ...
[ "nonn", "mult" ]