id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A363080
[ 1, 7, 13, 25, 43, 61, 85, 115, 145, 181, 223, 265, 313, 367, 421, 481, 547, 613, 685, 763, 841, 925, 1015, 1105, 1201, 1303, 1405, 1513, 1627, 1741, 1861, 1987, 2113, 2245, 2383, 2521, 2665, 2815, 2965, 3121, 3283, 3445, 3613, 378...
[ "nonn", "easy" ]
A216567
[ 0, 7, 13, 19, 31, 37, 61, 79, 313, 613, 5851, 7741, 8467, 13963, 14449, 35449, 51169, 193201, 344293, 387433, 574219 ]
[ "nonn" ]
A315674
[ 1, 6, 12, 17, 21, 26, 32, 37, 41, 46, 52, 58, 64, 70, 75, 79, 84, 90, 95, 99, 104, 110, 116, 122, 128, 133, 137, 142, 148, 153, 157, 162, 168, 174, 180, 186, 191, 195, 200, 206, 211, 215, 220, 226, 232, 238, 244, 249, 25...
[ "nonn" ]
A035130
[ 1, 8, 125, 54439939 ]
[ "nonn", "base", "hard" ]
A195429
[ 5, 1, 7, 3, 5, 3, 1, 7, 6, 9, 8, 3, 7, 2, 5, 8, 2, 9, 8, 7, 7, 0, 6, 2, 9, 5, 8, 5, 1, 6, 9, 4, 5, 9, 7, 3, 6, 9, 1, 8, 7, 6, 6, 2, 8, 8, 3, 4, 7, 7, 9, 1, 4, 5, 8, 0, 7, 8, 6, 2, 8, 2, 2, 6...
[ "nonn", "cons" ]
A135919
[ 4, 11, 34, 133, 566, 2488, 11056, 49323, 220373, 985176, 4405203, 19699535, 88096982, 393978082, 1761917118, 7879521402, 35238270419, 157590299379, 704765178272, 3151805575994, 14095302829230, 63036110202947 ]
[ "easy", "nonn" ]
A048559
[ 4, 49, 49284, 4928461209, 492846120914204800000, 4.928461209142048e+42, 4.9284612091420484e+85 ]
[ "nonn", "base" ]
A197846
[ 7, 7, 3, 6, 9, 6, 1, 8, 9, 2, 4, 3, 8, 0, 9, 4, 2, 1, 7, 1, 4, 7, 3, 9, 0, 5, 3, 5, 3, 0, 4, 5, 3, 3, 3, 6, 8, 0, 5, 7, 2, 1, 2, 5, 6, 8, 2, 4, 5, 8, 2, 4, 0, 7, 9, 1, 1, 0, 4, 5, 4, 2, 4, 9...
[ "nonn", "cons" ]
A256385
[ 8, 10, 11, 15, 16, 20, 26, 27, 28, 31, 33, 36, 37, 40, 41, 43, 44, 45, 46, 49, 53, 54, 55, 57, 58, 59, 61, 64, 67, 68, 71, 73, 74, 75, 77, 78, 80, 83, 88, 89, 91, 92, 93, 95, 98, 101, 103, 105, 106, 107, 108, 111, ...
[ "nonn", "easy" ]
A355518
[ 2, 3, 5, 13, 17, 37, 61, 137 ]
[ "nonn" ]
A263269
[ 0, 2, 6, 12, 18, 22, 30, 34, 42, 46, 54, 58, 66, 70, 80, 88, 94, 102, 112, 116, 126, 124, 130, 138, 150, 148, 160, 158, 164, 184, 190, 194, 210, 214, 222, 234, 252, 246, 250, 258, 266, 272, 296, 312, 306, 320, 328, 340, ...
[ "nonn" ]
A134193
[ 1, 2, 2, 1, 2, 2, 2, 1, 1, 2, 2, 3, 2, 2, 2, 1, 2, 3, 2, 3, 2, 2, 2, 2, 1, 2, 1, 3, 2, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 2, 2, 2, 1, 3, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 3, 1...
[ "nonn" ]
A109835
[ 3, 37, 157, 661, 877, 997, 1237, 1657, 2137, 2557, 3061, 4177, 4261, 4357, 4621, 5581, 6037, 6121, 6217, 6361, 7537, 8317, 8461, 8521, 9241, 9277, 9721, 9901, 10837, 11497, 12241, 12421, 13417, 13681, 14737, 14821, 15121, 15277, 16417, 17...
[ "nonn" ]
A346624
[ 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 2, 1, 1, 3, 38, 242, 1100, 3441, 8438, 15392, 19002, 16293, 10624, 5857, 3044, 1546, 786, 393, 198, 105, 55, 28, 14, 8, 4, 2, 1 ]
[ "nonn", "tabf", "more" ]
A378146
[ 2, 3, 17, 23, 37, 41, 53, 59, 71, 97, 127, 139, 167, 233, 263, 277, 283, 379, 389, 457, 521, 563, 571, 601, 619, 661, 691, 743, 797, 809, 811, 823, 853, 859, 877, 967, 971, 997, 1051, 1063, 1103, 1187, 1277, 1289, 1321, 1367, ...
[ "nonn" ]
A375400
[ 1, 2, 3, 4, 5, 2, 7, 8, 9, 2, 11, 4, 13, 2, 3, 16, 17, 6, 19, 4, 3, 2, 23, 8, 25, 2, 27, 4, 29, 2, 31, 32, 3, 2, 5, 12, 37, 2, 3, 8, 41, 2, 43, 4, 9, 2, 47, 16, 49, 10, 3, 4, 53, 18, 5, 8, 3, 2, 59, ...
[ "nonn" ]
A204058
[ 9876543210, 4938271605, 3291768054, 2469135780, 1975308642, 1645839027, 1409632875, 1234567890, 1097368245 ]
[ "nonn", "base", "fini", "full" ]
A357364
[ 11, 23, 41, 107, 389, 1987673, 35603983 ]
[ "nonn", "hard", "more" ]
A126267
[ 1, 6, 24, 140, 1320, 12432, 121072, 1420848, 19012320, 267512300, 4002574224, 64842612276, 1121345413552, 20409576486600, 390729145716480, 7869294632279648, 166020221631955680, 3654120873937485000 ]
[ "nonn" ]
A389262
[ 1, 2, 2, 3, 3, 4, 5, 5, 6, 6, 7, 8, 8, 9, 9, 10, 11, 11, 12, 12, 13, 14, 14, 15, 15, 16, 17, 17, 18, 18, 19, 20, 20, 21, 22, 22, 23, 23, 24, 25, 25, 26, 26, 27, 28, 28, 29, 29, 30, 31, 31, 32, 32, 33, 34, 3...
[ "nonn" ]
A027521
[ 11, 26, 121, 558, 1178, 784, 567, 397, 1166, 845, 31965, 425752, 647962, 489749, 188365, 289264, 1577216, 23292216, 18324228, 2405956350, 239597946294, 45293834608, 67720569966336, 15565112713248, 108945838021848660, 2970554302260183600, 142825624901607650000 ]
[ "nonn" ]
A177485
[ 1, 2, 3, 5, 7, 11, 15, 23, 32, 49, 69, 105, 149, 225, 321, 482, 691, 1033, 1487, 2215, 3199, 4751, 6880, 10193, 14793, 21873, 31801, 46945, 68353, 100770, 146899, 216333, 315671, 464467, 678287, 997287, 1457344, 2141473, 3131021, 4598617,...
[ "nonn" ]
A365226
[ 1, 1, 4, 20, 107, 577, 3010, 14429, 56640, 98020, -1297568, -21901213, -232421636, -2081040375, -16862259358, -126674303915, -887771735205, -5768588276072, -33971373570320, -170393703586467, -576946353425125, 1101490168511323, 47657979846612680 ]
[ "sign" ]
A033195
[ 3, 4, 7, 8, 11, 16, 19, 27, 28, 43, 67, 163 ]
[ "dead" ]
A305789
[ 1, 2, 2, 3, 4, 5, 2, 6, 7, 8, 2, 9, 2, 5, 10, 11, 12, 13, 2, 14, 15, 5, 16, 17, 18, 5, 19, 9, 16, 20, 2, 21, 5, 22, 5, 23, 2, 5, 8, 24, 2, 25, 16, 9, 26, 27, 2, 28, 7, 29, 30, 9, 16, 31, 32, 17, 8, 27, ...
[ "nonn" ]
A030814
[ 1, 3, 11, 46, 230, 1382, 9675, 77402, 696624, 6966242, 76628663, 919543959, 11954071471, 167357000594, 2510355008911, 40165680142590, 682816562424042, 12290698123632756, 233523264349022370, 4670465286980447000 ]
[ "nonn", "easy" ]
A237406
[ 322, 1632, 8236, 44186, 238640, 1260486, 6627450, 35198148, 187296514, 992298282, 5252792268, 27863022136, 147844066586, 783716212410, 4153931543322, 22027680104792, 116814804478526, 619329438394524, 3283506981597222 ]
[ "nonn" ]
A022342
[ 0, 2, 3, 5, 7, 8, 10, 11, 13, 15, 16, 18, 20, 21, 23, 24, 26, 28, 29, 31, 32, 34, 36, 37, 39, 41, 42, 44, 45, 47, 49, 50, 52, 54, 55, 57, 58, 60, 62, 63, 65, 66, 68, 70, 71, 73, 75, 76, 78, 79, 81, 83, 84, 86, ...
[ "nonn", "nice", "easy" ]
A036597
[ 0, 0, 0, 0, 0, 0, 0, 0, 1, 7, 27, 81, 213, 516, 1183, 2610, 5597, 11737, 24154, 48934, 97729, 192777, 375859, 725259, 1385706, 2623894, 4925791, 9173476, 16952955, 31103472, 56666571, 102552641, 184396932, 329502786, 585240171, 1033392428 ]
[ "nonn", "fini", "full" ]
A313806
[ 1, 5, 10, 15, 22, 23, 31, 38, 41, 49, 48, 55, 65, 68, 73, 75, 82, 87, 97, 100, 95, 113, 114, 117, 131, 120, 133, 147, 144, 149, 151, 160, 165, 179, 176, 165, 195, 192, 195, 213, 190, 209, 229, 222, 227, 227, 236, 241, 26...
[ "nonn" ]
A212667
[ 2, 3, 5, 7, 2401, 4913, 655360, 3906250, 6553600, 39062500, 41943040, 65536000, 390625000, 419430400, 655360000, 3906250000, 4194304000, 6553600000, 27512614111, 39062500000, 41943040000, 65536000000, 271818611107, 390625000000, 419430400000 ]
[ "nonn", "base" ]
A138519
[ 1, -2, 3, -6, 11, -16, 24, -38, 57, -82, 117, -168, 238, -328, 448, -614, 834, -1114, 1480, -1966, 2592, -3384, 4398, -5704, 7361, -9436, 12045, -15344, 19470, -24576, 30922, -38822, 48576, -60548, 75259, -93342, 115454, -142360, 175104, ...
[ "sign" ]
A045133
[ 22015, 22399, 22495, 22519, 22525, 23935, 24031, 24055, 24061, 24415, 24439, 24445, 24535, 24541, 24565, 30079, 30175, 30199, 30205, 30559, 30583, 30589, 30679, 30685, 30709, 32095, 32119, 32125, 32215, 32221 ]
[ "nonn", "base" ]
A030970
[ 2, 4, 13, 53, 267, 1602, 11216, 89733, 807604, 8076042, 88836472, 1066037665, 13858489652, 194018855141, 2910282827124, 46564525233992, 791596928977869, 14248744721601652, 270726149710431420, 5414522994208629000 ]
[ "nonn" ]
A206812
[ 1, 3, 5, 7, 10, 11, 14, 16, 17, 20, 21, 24, 26, 28, 30, 32, 34, 36, 38, 40, 43, 44, 46, 49, 50, 53, 55, 57, 59, 60, 63, 65, 67, 69, 72, 73, 75, 77, 79, 82, 83, 86, 88, 89, 92, 94, 96, 98, 100, 102, 104, 106, 108,...
[ "nonn" ]
A383895
[ 1, 1, 2, 4, 9, 20, 47, 111, 267, 646, 1582, 3892, 9636, 23961, 59871, 150128, 377738, 953029, 2410626, 6111055, 15524013, 39508683, 100719223, 257150952, 657454544, 1683042629, 4313582090, 11067748352, 28426813910, 73082880708, 188059428289, 484330230117...
[ "nonn" ]
A092243
[ 0, 1, 1, 2, 1, 2, 1, 2, 3, 2, 3, 2, 1, 2, 3, 3, 2, 3, 2, 1, 2, 1, 2, 3, 2, 1, 2, 1, 2, 3, 2, 3, 2, 3, 2, 3, 3, 2, 3, 3, 2, 3, 2, 3, 2, 3, 3, 2, 1, 2, 3, 2, 3, 2, 2, 2, 1, 2, 1, 0, 1, 2, 1, 0...
[ "sign" ]
A269586
[ 64, 659, 3680, 14239, 43184, 110339, 248464, 507935, 962144, 1713619, 2900864, 4705919, 7362640, 11165699, 16480304, 23752639, 33521024, 46427795, 63231904, 84822239, 112231664, 146651779, 189448400, 242177759, 306603424, 384713939 ]
[ "nonn" ]
A305122
[ 0, 0, 1, 2, 4, 8, 16, 28, 47, 78, 126, 198, 306, 464, 694, 1024, 1490, 2146, 3061, 4322, 6052, 8408, 11592, 15872, 21592, 29192, 39242, 52468, 69788, 92376, 121716, 159664, 208569, 271372, 351732, 454228, 584546, 749720, 958472, 1221560, ...
[ "nonn" ]
A381678
[ 0, 1, 5, 11, 21, 26, 31, 41, 51, 55, 58, 54, 72, 73, 91, 113, 116, 107, 150, 147, 103, 152, 158, 199, 181, 202, 165, 186, 215, 218, 238, 231, 273, 255, 266, 232, 302, 317, 297, 294, 327, 320, 293, 398, 339, 340, 350, 356, ...
[ "base", "easy", "sign" ]
A109859
[ 1, 2, 2, 6, 6, 20, 20, 70, 70, 251, 251, 918, 917, 3404, 3396, 12750, 12705, 48125, 47905, 182735, 181743, 697193, 692924, 2670538, 2652676, 10263255, 10189830, 39554920, 39256570, 152819066, 151616215, 591672286, 586848959, 2295096732 ]
[ "base", "hard", "nonn" ]
A241311
[ 129, 28, 869, 4499, 41336, 490486, 5098814, 41458261, 447396605, 4122362491, 31003207359 ]
[ "nonn" ]
A059838
[ 0, 0, 1, 3, 15, 75, 495, 3465, 29295, 263655, 2735775, 30093525, 370945575, 4822292475, 68916822975, 1033752344625, 16813959537375, 285837312135375, 5214921734397375, 99083512953550130, 2004231846526284300, 42088868777051970000, 934957186489800900000 ]
[ "nonn", "nice" ]
A257914
[ 3076521984, 1342968750, 3718250496, 6398410752, 1304296875, 1437890625, 3142968750, 1824609375, 3649218750, 9123046875, 1542389760, 1923046875, 1683947520, 1384906752, 2769813504, 2845310976, 1578369024, 3104296875, 1269843750, 6349218750, 1074659328 ]
[ "nonn", "base", "fini" ]
A149534
[ 1, 1, 5, 13, 49, 177, 667, 2511, 10009, 39187, 155965, 634409, 2572311, 10467813, 43375789, 178967139, 740636461, 3103154817, 12965474087, 54264996479, 229254996155, 966417702403, 4079049705641, 17340341569785, 73594562906139, 312632789194025, 1335568546118335, ...
[ "nonn", "walk" ]
A238508
[ 0, 5, 13, 50, 213, 536, 536, 4582, 63202, 163984 ]
[ "nonn", "base", "fini", "full" ]
A290096
[ 2, 4, 12, 8, 8, 12, 60, 36, 24, 16, 16, 24, 24, 16, 60, 24, 36, 16, 16, 24, 24, 60, 16, 36, 420, 180, 180, 72, 72, 180, 120, 72, 48, 32, 32, 48, 48, 32, 120, 48, 72, 32, 32, 48, 48, 120, 32, 72, 120, 72, 48, 32, ...
[ "nonn" ]
A171299
[ 25, 625, 15597, 388427, 9698513, 241922034, 6031981433, 150477447625 ]
[ "nonn" ]
A134830
[ 1, 1, 0, 1, 0, 1, 2, 1, 1, 2, 6, 4, 3, 2, 9, 24, 18, 14, 11, 9, 44, 120, 96, 78, 64, 53, 44, 265, 720, 600, 504, 426, 362, 309, 265, 1854, 5040, 4320, 3720, 3216, 2790, 2428, 2119, 1854, 14833, 40320, 35280, 30960, 27240...
[ "nonn", "easy", "tabl" ]
A377151
[ 1, 2, 3, 4, 6, 9, 12, 8, 16, 18, 24, 27, 36, 48, 60, 32, 40, 64, 80, 54, 72, 96, 120, 81, 108, 144, 180, 192, 240, 5, 10, 128, 160, 20, 200, 256, 320, 400, 480, 162, 216, 288, 360, 384, 576, 15, 30, 243, 324, 432, 54...
[ "nonn" ]
A110340
[ 1, 2, 3, 8, 5, 6, 7, 40, 27, 10, 11, 60, 13, 14, 45, 176, 17, 54, 19, 200, 21, 22, 23, 264, 125, 26, 243, 280, 29, 30, 31, 544, 33, 34, 245, 612, 37, 38, 39, 1000, 41, 42, 43, 1012, 315, 46, 47, 1056, 343, 250, 51, ...
[ "easy", "nonn" ]
A286189
[ 1, 13, 397, 55933, 31450861, 67253507293, 559182556492477, 18408476382988290000, 2.416307646576709e+24, 1.2674044184540773e+30, 2.6583010803747937e+36, 2.2300360304310795e+43 ]
[ "nonn" ]
A077492
[ 2, 4, 6, 8, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 39, 59, 79, 99, 119, 139, 159, 179, 199, 399, 599, 799, 999, 1199, 1399, 1599, 1799, 1999, 3999, 5999, 7999, 9999, 11999, 13999, 15999, 17999, 19999, 39999, 59999, 79999, 99999, 1...
[ "base", "nonn", "easy" ]
A057807
[ 13, 204, 3120, 7804, 6552, 20532, 137280, 123552, 1268088 ]
[ "nonn", "fini", "full", "nice" ]
A114806
[ 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 22, 36, 52, 70, 90, 112, 136, 162, 190, 440, 756, 1144, 1610, 2160, 2800, 3536, 4374, 5320, 12760, 22680, 35464, 51520, 71280, 95200, 123760, 157464, 196840, 484880, 884520, 1418560, 2112320, 299376...
[ "easy", "nonn" ]
A089409
[ 1, 1, 2, 4, 5, 11, 11, 17, 22, 24, 36 ]
[ "nonn" ]
A240802
[ 2, 3, 6, 10, 18, 33 ]
[ "nonn", "more" ]
A121601
[ 2, 6, 1, 3, 1, 2, 5, 9, 2, 9, 7, 5, 2, 7, 5, 3, 0, 5, 5, 7, 1, 3, 2, 8, 6, 3, 4, 6, 8, 5, 4, 3, 7, 4, 3, 0, 7, 1, 6, 7, 5, 2, 2, 3, 7, 6, 6, 9, 8, 5, 3, 9, 0, 5, 5, 0, 9, 7, 7, 9, 6, 7, 3, 3...
[ "cons", "nonn" ]
A359837
[ 1, 8, 4, 7, 9, 2, 5, 3, 0, 9, 0, 4, 0, 9, 5, 3, 7, 2, 7, 0, 1, 3, 5, 2, 0, 4, 7, 5, 7, 2, 2, 0, 3, 7, 5, 5, 8, 7, 0, 9, 1, 3, 5, 5, 9, 7, 9, 2, 6, 5, 1, 7, 1, 7, 2, 3, 5, 6, 0, 7, 8, 1, 3, 0...
[ "easy", "nonn", "cons" ]
A100577
[ 1, 2, 2, 4, 2, 8, 2, 8, 4, 8, 2, 32, 2, 8, 8, 16, 2, 32, 2, 32, 8, 8, 2, 128, 4, 8, 8, 32, 2, 128, 2, 32, 8, 8, 8, 256, 2, 8, 8, 128, 2, 128, 2, 32, 32, 8, 2, 512, 4, 32, 8, 32, 2, 128, 8, 128, 8, 8, ...
[ "nonn", "easy" ]
A095152
[ 1, 32, 321, 2560, 18881, 135072, 954241, 6705920, 47020161, 329377312, 2306349761, 16146574080, 113032395841, 791245902752, 5538778714881, 38771623191040, 271401878897921, 1899814701967392, 13298707562817600, 93090966886860800, 651636810049438500 ]
[ "easy", "nonn" ]
A168517
[ 1, 1, 1, 1, 7, 1, 1, 27, 27, 1, 1, 87, 260, 87, 1, 1, 263, 1828, 1828, 263, 1, 1, 779, 11131, 24746, 11131, 779, 1, 1, 2299, 62793, 267515, 267515, 62793, 2299, 1, 1, 6799, 338902, 2529377, 4753074, 2529377, 338902, 6799, 1, 1...
[ "nonn", "tabl" ]
A331177
[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 1, 3, 3, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 3, 1, 1, 4, 1, 1, 1, 2, 1, 2, 1, 2, 1, 4, 1, 2, 3, 2, 3, 2, 1, 4, 1, 2, 1, 1...
[ "nonn" ]
A119335
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 5, 5, 1, 1, 1, 1, 1, 1, 11, 17, 11, 1, 1, 1, 1, 1, 1, 21, 41, 41, 21, 1, 1, 1, 1, 1, 1, 36, 81, 101, ...
[ "easy", "nonn", "tabl" ]
A334096
[ 283, 347, 379, 383, 419, 431, 463, 487, 491, 509, 523, 547, 557, 571, 599, 631, 643, 653, 683, 691, 709, 719, 727, 743, 757, 787, 797, 811, 829, 853, 859, 907, 911, 941, 991, 1013, 1033, 1051, 1087, 1091, 1093, 1109, 1117, 1129, ...
[ "nonn" ]
A384730
[ 1, 2, 6, 16, 48, 132, 388, 1084, 3148, 8876, 25596, 72556, 208380, 592524, 1697692, 4836076, 13837180, 39458252, 112809180, 321884332, 919822908, 2625510540, 7500679324, 21414096748, 61167151612, 174650373452, 498825089628, 1424393027116, 4068042817980 ]
[ "nonn", "easy", "walk" ]
A318114
[ 1, 1, 3, 10, 35, 126, 462, 1709, 6371, 23905, 90178, 341705, 1299662, 4958968, 18973111, 72763785, 279636451, 1076635399, 4151948115, 16035014604, 62009441410, 240083933750, 930547077155, 3610295962089, 14019766334990, 54487995870126, 211931334450696 ]
[ "nonn" ]
A283668
[ 1, 3, 6, 11, 22, 25, 31, 35, 36, 39, 49, 51, 58, 65, 67, 69, 81, 85, 86, 92, 97, 99, 100, 110, 115, 119, 125, 126, 133, 135, 142, 144, 149, 150, 153, 161, 164, 165, 167, 169, 172, 174, 175, 176, 186, 194, 199, 201, 206, ...
[ "nonn" ]
A368084
[ 1, 13, 21, 57, 73, 133, 157, 273, 381, 421, 553, 601, 757, 813, 993, 1261, 1333, 1561, 1641, 1893, 1981, 2257, 2353, 2653, 2757, 3081, 3193, 3541, 3661, 4033, 4161, 5113, 5257, 5701, 5853, 6481, 6973, 7141, 7657, 7833, 8373, 8557, 9...
[ "nonn", "easy" ]
A155743
[ 1, 4, 0, 6, 7, 9, 4, 0, 4, 6, 1, 0, 7, 7, 9, 7, 7, 5, 9, 0, 7, 4, 2, 5, 3, 7, 6, 4, 5, 3, 7, 3, 4, 4, 8, 8, 8, 9, 2, 1, 2, 7, 3, 5, 8, 2, 6, 6, 6, 4, 1, 2, 3, 9, 4, 0, 5, 3, 9, 7, 3, 9, 7, 7...
[ "nonn", "cons" ]
A067501
[ 1, 4, 68719476736, 9.578097130411805e+52, 2.5108406941546723e+58, 1.6069380442589903e+60 ]
[ "nonn", "base" ]
A006678
[ 0, 1, 1, 6, 39, 390, 4815, 73080, 1304415, 26847450, 625528575, 16279193700, 468022452975, 14731683916950, 503880434632575, 18609309606888000, 738057377647965300, 31286068076704690000, 1.4116024390037474e+21, 6.754369496649469e+22, 3.416288904242387e+24 ]
[ "nonn" ]
A203853
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[ "nonn" ]
A098552
[ 1, 2, 3, 4, 5, 14, 7, 16, 9, 8, 26, 12, 34, 10, 15, 6, 39, 22, 28, 11, 30, 25, 35, 24, 45, 95, 51, 23, 85, 21, 20, 123, 33, 75, 55, 64, 65, 88, 17, 69, 91, 58, 27, 63, 78, 42, 81, 49, 54, 50, 13, 40, 102, 48, ...
[ "nonn" ]
A208991
[ 1, 4, 15, 95, 683, 5404, 44209, 371893, 3189719, 27799922, 245493567, 2192108831, 19760508059, 179591215329 ]
[ "nonn" ]
A359717
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[ "nonn" ]
A011892
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[ "nonn", "easy" ]
A003242
[ 1, 1, 1, 3, 4, 7, 14, 23, 39, 71, 124, 214, 378, 661, 1152, 2024, 3542, 6189, 10843, 18978, 33202, 58130, 101742, 178045, 311648, 545470, 954658, 1670919, 2924536, 5118559, 8958772, 15680073, 27443763, 48033284, 84069952, 147142465, 257534928, ...
[ "nonn", "nice" ]
A341722
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[ "nonn", "base", "easy" ]
A184151
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[ "nonn" ]
A300879
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[ "nonn" ]
A091057
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[ "nonn" ]
A267147
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[ "nonn", "easy" ]
A156504
[ 2, 0, 32, 114, 16570, 196824, 116949508, 3753914276, 4711859922047 ]
[ "nonn" ]
A381530
[ 1, 2, 2, 3, 3, 4, 4, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 1, 3, 3, 3, 3, 3, 3, 3, 3, 4, 1, 2, 2, 3...
[ "nonn", "base" ]
A243765
[ 1, 3, 7, 13, 31, 39, 91, 93, 127, 217, 307, 381, 403, 921, 961, 1093, 1209, 1651, 1723, 2149, 2801, 2821, 3279, 3541, 3937, 3991, 4953, 5113, 5169, 7651, 8011, 8191, 8403, 9517, 10303, 10623, 11811, 11973, 12061, 12493, 15339, 17293, ...
[ "nonn" ]
A065236
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[ "nonn" ]
A035838
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[ "nonn", "easy" ]
A273527
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[ "nonn", "easy", "base" ]
A117549
[ 1, 3, 6, 10, 13, 16 ]
[ "nonn", "more" ]
A354025
[ 2, 5, 6, 13, 14, 15, 16, 18, 37, 38, 39, 40, 42, 45, 48, 54, 109, 110, 111, 112, 114, 117, 120, 126, 128, 135, 144, 162, 325, 326, 327, 328, 330, 333, 336, 342, 351, 360, 378, 384, 405, 432, 486, 973, 974, 975, 976, 978, ...
[ "easy", "nonn" ]
A375011
[ 0, 1, 1, 1, 1, 3, 1, 1, 1, 4, 1, 5, 1, 4, 3, 1, 1, 6, 1, 5, 3, 5, 1, 6, 1, 5, 1, 5, 1, 11, 1, 1, 4, 5, 3, 8, 1, 5, 4, 7, 1, 12, 1, 6, 5, 6, 1, 8, 1, 7, 4, 6, 1, 8, 3, 7, 4, 6, 1, 17, 1, 6, 5, ...
[ "nonn" ]
A130332
[ 1, 1, 21, 1485, 6144, 225225, 17694720, 59520825, 6539968512, 24325703325, 145332633600, 14230536445125, 2596962041856000, 11288163762500624, 78354054748569600, 11665426077721040000, 86068915523813380000 ]
[ "easy", "nonn" ]
A374045
[ 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0...
[ "nonn" ]
A110457
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[ "base", "nonn" ]
A209778
[ 1, 1, 1, 3, 5, 19, 49, 203, 733, 3315, 15241, 76731, 419973, 2375027, 14842721, 94159595, 655550445, 4632480883, 35405788601, 276183156827, 2295741573013, 19588533436019, 175928886218769, 1628494746863243, 15721340742796028, 156753433757122050, 1619488446357906400...
[ "nonn" ]
A388884
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[ "nonn", "cons" ]
A169751
[ 1, 3, 6, 2, 7, 4, 10, 17, 9, 18, 8, 19, 13, 25, 12, 26, 11, 27, 44, 35, 23, 5, 24, 44, 29, 50, 28, 51, 33, 57, 32, 58, 31, 59, 30, 60, 39, 15, 46, 14, 47, 20, 54, 89, 53, 16, 54, 93, 63, 103, 62, 104, 61, 105, ...
[ "nonn" ]
A348705
[ 4, 8, 12, 16, 18, 24, 24, 32, 34, 40, 36, 48, 42, 54, 56, 64, 54, 72, 60, 80, 78, 82, 72, 96, 84, 96, 98, 112, 90, 120, 96, 128 ]
[ "nonn", "more" ]
A369706
[ 1, 1, 1, 1, 1, 2, 3, 4, 7, 12, 20, 35, 62, 112, 199, 361, 657, 1206, 2221, 4110, 7636, 14234, 26618, 49910, 93846, 176906, 334184, 632602, 1199892, 2280164, 4340064, 8273610, 15796439, 30202620, 57820648, 110826888, 212681976, 408610024, 78...
[ "nonn" ]