id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A179807
[ 1, 1, 2, 3, 5, 9, 17, 34, 71, 153, 337, 755, 1713, 3925, 9064, 21065, 49213, 115477, 271961, 642495, 1521899, 3613189, 8595037, 20480600, 48874131, 116781789, 279358063, 668925263, 1603145325, 3845056065, 9228442541, 22162387821 ]
[ "nonn" ]
A252239
[ 4708, 43848, 331884, 1179792, 11206944, 84935088, 301990464, 2868905088, 21743273664, 77309413632, 734439412224, 5566277622528, 19791209309184, 188016488368128, 1424967069625344, 5066549580828672, 48132221017595900 ]
[ "nonn" ]
A252587
[ 13170, 139918, 1741670, 22094800, 278456362, 3517561890, 44483332378, 562542584596, 7113728991186, 89959705046532, 1137631021088014, 14386487475717882, 181931584022864130, 2300708140965333000 ]
[ "nonn" ]
A235278
[ 15520, 19060, 23000, 31504, 41704, 64168, 93992, 160888, 260680, 487960, 867560, 1744024, 3354184, 7125208, 14577512, 32303128, 69232840, 158470360, 351398120, 824485144, 1873576264, 4478463448, 10354825832, 25091436568, 58718701000 ]
[ "nonn" ]
A370270
[ 1, 2, 16, 110, 840, 6502, 51424, 411602, 3326600, 27082460, 221776016, 1824750424, 15073212648, 124926064460, 1038330110400, 8651387371360, 72238476287112, 604327981885262, 5064140053702240, 42500097815152940, 357157266768270850, 3005093769261481500 ]
[ "nonn" ]
A112499
[ 6, 111, 1100, 8030, 48950, 265625, 1331540, 6310976, 28719094, 126814819, 547457452, 2323131730, 9729382150, 40335953245, 165915269268, 678306115284, 2759909133030, 11187839886855, 45220188014220, 182359367356230, 734088513869846, 2950950104332001, 11849511321016340, 47...
[ "nonn", "easy" ]
A301758
[ 1, 4, 9, 16, 21, 22, 25, 32, 41, 50, 61, 72, 85, 98, 113, 128, 145, 162, 181, 200, 221, 242, 265, 288, 313, 338, 365, 392, 421, 450, 481, 512, 545, 578, 613, 648, 685, 722, 761, 800, 841, 882, 925, 968, 1013, 1058, 1105, 1...
[ "nonn", "easy" ]
A051856
[ 0, 1, 2, 3, 4, 6, 76, 2837, 6001, 7076 ]
[ "nonn", "hard", "more" ]
A024650
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 20, 21, 22, 23, 24, 25, 26, 27, 28, 40, 41, 42, 43, 44, 45, 46, 47, 48, 60, 61, 62, 63, 64, 65, 66, 67, 68, 80, 81, 82, 83, 84, 85, 86, 87, 88, 210, 211, 212, 213, 214, 215, 216, 217, ...
[ "nonn", "base", "easy" ]
A294947
[ 1, 1, -1, 1, -1, -2, 1, -1, -4, -7, 1, -1, -8, -23, -57, 1, -1, -16, -73, -229, -541, 1, -1, -32, -227, -927, -2761, -7126, 1, -1, -64, -697, -3757, -13969, -42615, -108072, 1, -1, -128, -2123, -15207, -70237, -254580, -758499, ...
[ "sign", "tabl" ]
A248735
[ 1, 2, 6, 18, 51, 140, 377, 1005, 2668, 7069, 18714, 49527, 131052, 346746, 917422, 2427289 ]
[ "nonn", "base", "more" ]
A205102
[ 1, 1, 2, 3, 3, 2, 1, 8, 3, 8, 15, 3, 2, 1, 3, 48, 3, 15, 48, 8, 48, 3840, 2, 48, 15, 1, 384, 48, 15, 15, 105, 384, 15, 3, 105, 384, 15, 2, 48, 8, 15, 48, 48, 3840, 3, 2, 1, 48, 105, 945, 3, 1, 945, 384, 3840,...
[ "nonn" ]
A011074
[ 3, 0, 1, 8, 3, 4, 9, 4, 7, 9, 2, 9, 2, 3, 3, 3, 1, 8, 6, 2, 5, 5, 9, 5, 8, 9, 6, 6, 2, 5, 8, 2, 7, 8, 6, 6, 7, 9, 7, 7, 0, 2, 3, 5, 4, 0, 0, 3, 7, 4, 9, 7, 1, 4, 2, 7, 1, 0, 3, 2, 5, 2, 7, 4...
[ "nonn", "cons" ]
A085580
[ 6, 3, 1, 4, 0, 3, 1, 8, 3, 0, 3, 5, 2, 7, 6, 7, 4, 7, 9, 3, 0, 8, 9, 4, 2, 4, 1, 2, 1, 0, 7, 7, 7, 1, 2, 2, 4, 6, 0, 4, 6, 5, 7, 3, 5, 5, 7, 6, 6, 0, 7, 7, 7, 3, 8, 9, 5, 8, 4, 0, 3, 3, 1, 7...
[ "easy", "nonn", "base" ]
A245737
[ 8, 0, 7, 6, 6, 4, 8, 6, 8, 0, 4, 8, 6, 2, 6, 2, 8, 5, 2, 3, 4, 0, 9, 1, 2, 7, 6, 8, 0, 9, 5, 1, 5, 9, 8, 5, 1, 8, 0, 6, 0, 4, 6, 0, 1, 9, 5, 1, 4, 6, 7, 5, 4, 0, 3, 2, 7, 1, 7, 1, 1, 7, 5, 9...
[ "nonn", "cons", "easy" ]
A240275
[ 10, 72, 2000, 49921, 1363144, 40760821, 1277623744, 41700264862, 1401065174093, 47967535279669, 1662365159922179, 58055815885463620, 2037231165976598000, 71699030982374300000, 2.5279599427761026e+21, 8.922906392882684e+22 ]
[ "nonn" ]
A083253
[ 30, 1, 2, 3, 4, 5, 8, 7, 16, 21, 32, 11, 64, 13, 84, 27, 78, 17, 200, 19, 90, 57, 140, 23, 102, 69, 120, 435, 114, 29, 132, 31, 126, 93, 392, 81, 138, 37, 156, 49, 230, 41, 168, 43, 322, 129, 260, 47, 150, 77, 180, ...
[ "nonn" ]
A089688
[ 1, 1, 1, 1, 2, 1, 1, 4, 2, 1, 1, 6, 3, 2, 1, 1, 10, 5, 3, 2, 1, 1, 14, 7, 4, 3, 2, 1, 1, 20, 9, 6, 4, 3, 2, 1, 1, 26, 12, 8, 5, 4, 3, 2, 1, 1, 36, 15, 10, 7, 5, 4, 3, 2, 1, 1, 46, 18, 12, 9, 6, ...
[ "easy", "nonn", "tabl" ]
A160688
[ 152558869, 480575479, 550688041, 863687971, 1388856589, 1518546259, 1628566519, 2205080989, 2284848061, 2441941039, 3086181811, 3222124669, 3325371979, 3705499309, 3782535301, 5331767491, 5671038871, 5842510939 ]
[ "nonn" ]
A008541
[ 0, 1, 2, 3, 6, 7, 8, 9, 10, 11, 12, 13, 16, 17, 18, 19, 20, 21, 22, 23, 26, 27, 28, 29, 30, 31, 32, 33, 36, 37, 38, 39, 60, 61, 62, 63, 66, 67, 68, 69, 70, 71, 72, 73, 76, 77, 78, 79, 80, 81, 82, 83, 86, 87, ...
[ "nonn", "word" ]
A038182
[ 6, 28, 3024, 6552, 27578880, 49266240, 49095705098695680 ]
[ "nonn", "nice", "more" ]
A100391
[ 4, 8, 16, 27, 32, 64, 81, 125, 128, 243, 256, 343, 512, 625, 729, 1024, 1331, 2048, 2187, 2197, 3125, 4096, 6561, 8192, 14641, 15625, 16384, 16807, 19683, 24389, 28561, 32768, 50653, 59049, 65536, 68921, 78125, 79507, 83521, 103823, 117...
[ "nonn" ]
A189270
[ 256, 65536, 1581428, 25556548, 613358776, 14861981162, 379055775099, 9421503162646, 237111028617224, 5881683652328127, 146596745490804540, 3628217307431587000, 89988166151883030000, 2.2243770757345876e+21 ]
[ "nonn" ]
A009899
[ 1, 4, 11, 23, 38, 58, 86, 114, 148, 189, 234, 280, 332, 390, 453, 520, 591, 668, 751, 833, 917, 1013, 1121, 1225, 1327, 1439, 1554, 1681, 1811, 1935, 2080, 2214, 2349, 2510, 2668, 2829, 2985, 3143, 3329, 3507, 3688, 3870, 4060, 42...
[ "nonn" ]
A002132
[ 1, 2, 4, 8, 14, 18, 28, 40, 52, 70, 88, 104, 140, 168, 196, 240, 278, 320, 380, 440, 504, 562, 644, 720, 808, 910, 1000, 1120, 1240, 1360, 1488, 1600, 1789, 1938, 2100, 2296, 2452, 2660, 2880, 3080, 3292, 3542, 3784, 4048, 4400,...
[ "nonn", "easy" ]
A112185
[ 1, -1, 0, 1, 1, 1, 0, 0, 1, 0, 1, -1, 0, 1, 1, 2, -2, 0, 1, 1, 3, -1, 0, 2, 1, 3, -2, 0, 2, 1, 5, -4, 0, 4, 3, 6, -3, 0, 4, 2, 7, -5, 0, 5, 4, 10, -7, 0, 7, 5, 12, -7, 0, 9, 5, 14, -9, 0, 10, 6, 2...
[ "sign" ]
A156104
[ 5, 7, 11, 17, 23, 31, 37, 43, 47, 53, 61, 67, 71, 73, 101, 103, 113, 127, 131, 137, 157, 163, 191, 193, 197, 227, 233, 241, 257, 271, 277, 281, 311, 313, 317, 331, 337, 347, 353, 373, 383, 397, 421, 431, 443, 463, 467, 487...
[ "nonn", "easy" ]
A285259
[ 2, 3, 6, 7, 10, 12, 13, 16, 18, 19, 22, 24, 26, 27, 30, 31, 34, 36, 38, 39, 42, 43, 46, 48, 49, 52, 54, 55, 58, 60, 62, 63, 66, 67, 70, 72, 74, 75, 78, 79, 82, 84, 85, 88, 90, 92, 93, 96, 97, 100, 102, 103, 106, ...
[ "nonn", "easy" ]
A047914
[ 1, 5, 8, 7, 4, 0, 1, 0, 5, 1, 9, 6, 8, 1, 9, 9, 4, 7, 4, 7, 5, 1, 7, 0, 5, 6, 3, 9, 2, 7, 2, 3, 0, 8, 2, 6 ]
[ "dead" ]
A283642
[ 1, 3, 5, 11, 21, 43, 85, 171, 341, 683, 1365, 2731, 5461, 10923, 21845, 43691, 87381, 174763, 349525, 699051, 1398101, 2796203, 5592405, 11184811, 22369621, 44739243, 89478485, 178956971, 357913941, 715827883, 1431655765, 2863311531, 5726623061, 1145...
[ "nonn", "easy" ]
A253165
[ 1, 8, 256, 17408, 2031616, 362283008, 91620376576, 31191159799808, 13753735117275136, 7625476699018232000, 5.192022022552652e+21, 4.258996468871237e+24, 4.1426550081908404e+27, 4.714505177821257e+30, 6.206008749802659e+33 ]
[ "nonn" ]
A365424
[ 1, 2, 3, 5, 2, 2, 2, 2, 3, 7, 7, 5, 5, 5, 2, 5, 2, 2, 5, 2, 2, 5, 2, 2, 2, 2, 3, 11, 11, 7, 11, 11, 7, 7, 7, 5, 7, 7, 5, 7, 7, 5, 5, 5, 2, 7, 7, 5, 5, 5, 2, 5, 2, 2, 7, 5, 5, 5, 2, 2, 5, 2, 2,...
[ "nonn" ]
A192746
[ 1, 5, 9, 17, 29, 49, 81, 133, 217, 353, 573, 929, 1505, 2437, 3945, 6385, 10333, 16721, 27057, 43781, 70841, 114625, 185469, 300097, 485569, 785669, 1271241, 2056913, 3328157, 5385073, 8713233, 14098309, 22811545, 36909857, 59721405, 96631265 ]
[ "nonn" ]
A214220
[ 273, 1995, 356235, 6768465, 215561445, 8381978605, 889577580507, 9176928067615, 977229739621135, 159778696591499740, 12961232730855705000, 5.1332269841355e+21, 5.273035553257241e+23, 3.6714792413117114e+25, 9.636942248070536e+28 ]
[ "nonn" ]
A133888
[ 1, 1, 5, 5, 7, 7, 3, 3, 6, 6, 6, 6, 2, 2, 2, 2, 7, 7, 3, 3, 1, 1, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 1, 1, 3, 3, 7, 7, 2, 2, 2, 2, 6, 6, 6, 6, 3, 3, 7, 7, 5, 5, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0...
[ "nonn" ]
A148138
[ 1, 1, 2, 4, 11, 28, 90, 268, 915, 2932, 10533, 35993, 133691, 474722, 1807930, 6638026, 25794275, 97001870, 382848116, 1469545267, 5877102305, 22926929344, 92687064938, 366654371191, 1496182410466, 5987580859882, 24628481175790, 99564544617860, 412404734561672...
[ "nonn", "walk" ]
A079876
[ 1, 54, 1431, 24804, 316251, 3162510, 25827165, 177100560, 1040446486, 5317168916, 23913642226, 95457369144, 339930538185, 1080757481134, 3053070032511, 7576816216796, 16233040500987, 29396466092822, 44029343202869, 53442675203992, 51578158468634, 38836356522788, 223506161...
[ "nonn", "fini", "full" ]
A185840
[ 3249, 222003, 10670517, 560733777, 29306445165, 1532963751183, 80217651167325, 4197053176231149, 219601118427318750, 11490030204820183000, 601185773584255300000, 3.1455455893650114e+22, 1.64582376293851e+24 ]
[ "nonn" ]
A151020
[ 1, 2, 10, 36, 168, 720, 3304, 15088, 69904, 326624, 1535040, 7251968, 34448064, 164071424, 784830976, 3762710272, 18090215424, 87167033856, 420815500544, 2035432822272, 9860443239424, 47839254740992, 232412062604288, 1130458029407232, 5504894214334464, 2683412792194...
[ "nonn", "walk" ]
A046523
[ 1, 2, 2, 4, 2, 6, 2, 8, 4, 6, 2, 12, 2, 6, 6, 16, 2, 12, 2, 12, 6, 6, 2, 24, 4, 6, 8, 12, 2, 30, 2, 32, 6, 6, 6, 36, 2, 6, 6, 24, 2, 30, 2, 12, 12, 6, 2, 48, 4, 12, 6, 12, 2, 24, 6, 24, 6, 6, 2, 60,...
[ "nonn", "easy", "nice" ]
A325576
[ 1, 1, 1, 2, 6, 25, 127, 768, 5336, 41830, 365564, 3523994, 37211298, 427690058, 5323477520, 71439183538, 1029536703806, 15877641368514, 261207628779438, 4570716270028400, 84845989571133600, 1666752634306700000, 34572557287327797000, 755638909056315200000, 1.7369522342...
[ "nonn" ]
A148453
[ 1, 1, 2, 6, 17, 53, 181, 629, 2273, 8442, 31903, 123276, 482016, 1909749, 7671004, 31041259, 126847637, 522862741, 2167729171, 9053158292, 38026043662, 160503188086, 681190257778, 2902953020464, 12422813296300, 53381627069382, 230129554758325, 995583076288227, ...
[ "nonn", "walk" ]
A002129
[ 1, -1, 4, -5, 6, -4, 8, -13, 13, -6, 12, -20, 14, -8, 24, -29, 18, -13, 20, -30, 32, -12, 24, -52, 31, -14, 40, -40, 30, -24, 32, -61, 48, -18, 48, -65, 38, -20, 56, -78, 42, -32, 44, -60, 78, -24, 48, -116, 57, -31, ...
[ "sign", "easy", "nice", "mult" ]
A311266
[ 1, 4, 8, 12, 16, 21, 25, 30, 35, 39, 44, 48, 52, 56, 59, 64, 67, 72, 78, 81, 87, 92, 96, 100, 104, 105, 112, 113, 118, 126, 127, 135, 140, 144, 148, 152, 151, 160, 159, 164, 174, 173, 183, 188, 192, 196, 200, 197, 208, ...
[ "nonn" ]
A080142
[ 1, 2, 22, 44, 66, 88, 110, 355, 710, 1065, 1420, 1775, 2130, 2485, 2840, 3195, 3550, 3905, 4260, 4615, 4970, 5325, 5680, 6035, 6390, 6745, 7100, 7455, 7810, 8165, 104348, 104703, 105058, 105413, 105768, 208696, 209051, 312689, 313044, 417...
[ "nonn" ]
A226186
[ 12, 21, 34, 57, 75, 115, 232, 299, 322, 371, 376, 398, 511, 579, 597, 637, 713, 731, 736, 759, 763, 795, 893, 938, 957, 975, 992, 1112, 1121, 1137, 1157, 1173, 1175, 1211, 1299, 1317, 1355, 1371, 1389, 1398, 1469, 1474, 1496, 1517...
[ "nonn", "base" ]
A012831
[ 1, 1, 9, 225, 6993, 467745, 29529753, 4297350785, 378759492257, 122599030798017, 8002975063348265, 9354851201922232000, -686072407102337400000, 1.787263355638656e+24 ]
[ "sign" ]
A010079
[ 1, 16, 104, 344, 792, 1528, 2632, 4152, 6200, 8792, 12072, 16024, 20824, 26424, 33032, 40568, 49272, 59032, 70120, 82392, 96152, 111224, 127944, 146104, 166072, 187608, 211112, 236312, 263640, 292792, 324232, 357624, 393464, 431384, 471912, 51464...
[ "nonn", "easy" ]
A064088
[ 1, 1, 6, 61, 766, 10746, 161376, 2537781, 41260086, 687927166, 11698135396, 202104763026, 3537486504556, 62595852983236, 1117926476207316, 20124876291104420, 364797768048805950, 6652740911381353000, 121975721251036500000, 2.2470648732455904e+21, 4.157307164751807e+22 ]
[ "nonn", "easy" ]
A148612
[ 1, 1, 3, 6, 21, 53, 202, 573, 2294, 7006, 28944, 93034, 391864, 1309196, 5593893, 19242110, 83177233, 292817279, 1277239439, 4583036003, 20135459495, 73405731065, 324465065173, 1198819650283, 5326177488325, 19907188328591, 88831157902685, 335362062137753, 1502...
[ "nonn", "walk" ]
A260225
[ 3, 5, 53, 353, 563, 653, 3533, 5333, 5563, 5653, 6353, 6553, 6563, 6653, 33353, 33533, 33563, 35353, 35363, 35533, 36353, 36563, 36653, 53353, 53633, 53653, 55333, 55633, 55663, 56333, 56533, 56633, 56663, 63353, 63533, 65353, 65563, 65633, ...
[ "nonn", "base" ]
A231766
[ 16, 136, 625, 2976, 15625, 84817, 440896, 2280000, 11902500, 62359187, 325513764, 1697812287, 8864034201, 46293362688, 241690224400, 1261713925692, 6587266165489, 34392457554368, 179559008401369, 937448116348715 ]
[ "nonn" ]
A237796
[ 11379, 966177, 28037763, 1960866081, 56866100931, 3478843172865, 104417246304003, 5801957602781985, 181426770605072260, 9384553005544995000, 304697204581444600000 ]
[ "nonn" ]
A118096
[ 0, 0, 1, 1, 2, 3, 3, 4, 6, 6, 6, 10, 9, 11, 13, 14, 15, 20, 18, 23, 25, 27, 27, 37, 35, 39, 43, 48, 49, 61, 57, 68, 72, 78, 81, 97, 95, 107, 114, 127, 128, 150, 148, 168, 179, 191, 198, 229, 230, 254, 266, 291, 3...
[ "nonn" ]
A059955
[ 1, 2, 5, 10, 3, 10, 4, 3, 28, 17, 18, 30, 20, 41, 42, 14, 19, 30, 37, 63, 50, 7, 12, 83, 30, 91, 19, 69, 91, 97, 56, 22, 80, 39, 137, 44, 9, 154, 19, 37, 141, 141, 168, 126, 183, 200, 205, 136, 55, 95, 204, 126, ...
[ "nonn" ]
A040794
[ 28, 1, 2, 4, 1, 7, 2, 1, 1, 1, 1, 8, 1, 18, 4, 2, 1, 3, 2, 2, 5, 1, 27, 1, 5, 2, 2, 3, 1, 2, 4, 18, 1, 8, 1, 1, 1, 1, 2, 7, 1, 4, 2, 1, 56, 1, 2, 4, 1, 7, 2, 1, 1, 1, 1, 8, 1, 18, 4, 2, 1, 3, ...
[ "nonn", "cofr", "easy" ]
A175808
[ 1, 2, 3, 4, 6, 6, 7, 8, 11, 11, 13, 13, 14, 14, 15, 16, 20, 20, 23, 23, 25, 25, 28, 28, 28, 28, 29, 29, 30, 30, 31, 32, 37, 37, 41, 41, 44, 44, 48, 48, 50, 50, 52, 52, 55, 55, 59, 59, 59, 59, 59, 59, 59, 59, ...
[ "nonn", "base" ]
A136339
[ 1, 2, 4, 6, 12, 24, 48, 60, 120, 240, 360, 720, 1260, 1680, 2520, 5040, 10080, 15120, 25200, 27720, 55440, 110880, 166320, 277200, 554400, 720720, 1441440, 2162160, 3603600, 7207200, 10810800, 21621600, 43243200, 73513440, 122522400 ]
[ "nonn" ]
A276244
[ 6, 72, 279, 1447, 7316, 36744, 188696, 966555, 4951790, 25428687, 130544436, 670268288, 3442454805, 17679508687, 90799294877, 466351655607, 2395200182414, 12301874919271, 63183522824553, 324515866624876, 1666740802461017 ]
[ "nonn" ]
A066196
[ 2, 37, 41, 139, 149, 163, 197, 541, 557, 563, 569, 587, 601, 613, 617, 647, 653, 659, 661, 677, 709, 787, 809, 929, 2141, 2203, 2221, 2251, 2281, 2333, 2347, 2357, 2381, 2389, 2393, 2417, 2467, 2473, 2617, 2659, 2699, 2707, 2713, ...
[ "nonn", "base" ]
A054520
[ 1, 25, 45, 65, 81, 85, 105, 117, 125, 145, 153, 165, 169, 185, 189, 205, 221, 225, 245, 261, 265, 273, 285, 289, 297, 305, 325, 333, 345, 357, 365, 369, 377, 385, 405, 425, 429, 441, 445, 465, 477, 481, 485, 493, 505, 513, 5...
[ "nonn", "nice", "easy" ]
A273653
[ 5, 40, 220, 1040, 4550, 19040, 77448, 308640, 1209450, 4668400, 17766892, 66718288, 247397150, 906584000, 3285842960, 11788924992, 41902786770, 147668053200, 516315206260, 1792304871280, 6180666260230, 21184488791840, 72205377800600, 244837696095200 ]
[ "nonn" ]
A052611
[ 1, 2, 12, 96, 1056, 14400, 236160, 4515840, 98703360, 2426941440, 66305433600, 1992646656000, 65328154214400, 2320237766246400, 88746105588940800, 3636883029491712000, 158978387626426370000, 7.383729547341988e+21 ]
[ "easy", "nonn" ]
A076691
[ 12, 78732, 200126180395998820, 2.958041645949681e+55, 8.597019785631206e+170 ]
[ "nonn" ]
A210088
[ 0, 9, 90, 657, 4230, 25533, 148410, 842265, 4704750, 25994709, 142528770, 777216177, 4221470070, 22863109293, 123563792970, 666766408905, 3593844532350, 19354295087109, 104165322930450, 560359838547297 ]
[ "nonn" ]
A092999
[ 2, 3, 4, 5, 7, 9, 10, 11, 15, 17, 19, 21, 22, 23, 26, 28, 29, 31, 33, 34, 36, 39, 40, 41, 45, 47 ]
[ "dead" ]
A133397
[ 1, 1, 3, 1, 5, 75, 1, 7, 245, 42875, 1, 11, 847, 456533, 1722499009, 1, 13, 1859, 2924207, 50597553721, 9630384192379092, 1, 17, 3757, 10793861, 403139914489, 195739344661245600, 1.2355030244542335e+24, 1, 19, 6137, 33698267 ]
[ "nonn", "tabl" ]
A037354
[ 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 19, 20, 21, 24, 25, 26, 32, 33, 34, 38, 39, 40, 41, 42, 43, 46, 47, 48, 60, 62, 63, 116, 117, 150, 153, 160, 204, 207, 212, 215, 228, 229, 230, 231, 232, 235, 236, 237, 238, 239, 2...
[ "nonn", "base" ]
A186523
[ 2, 6, 14, 34, 82, 206, 526, 1378, 3674, 9950, 27278, 75514, 210634, 591054, 1666406, 4716186, 13389434, 38113462, 108737894, 310851770, 890244546, 2553782246, 7337143110, 21110531858, 60823037522, 175471424214, 506862346750, 1465875933394, 4244315841666, 123...
[ "nonn", "base" ]
A359580
[ 1, 2, 9, 18, 25, 49, 50, 98, 121, 169, 225, 242, 289, 338, 361, 441, 450, 529, 578, 722, 841, 882, 961, 1058, 1089, 1225, 1369, 1521, 1681, 1682, 1849, 1922, 2178, 2209, 2450, 2601, 2738, 2809, 3025, 3042, 3249, 3362, 3481, 3698, ...
[ "nonn" ]
A012335
[ 2, 0, -200, 1344, 367648, -7504640, -2587904384, 253284677632, 79392079655424, -6850403676839936, -2011786530842634200, 1.982840495232732e+21, 8.554197921480946e+23 ]
[ "sign" ]
A259810
[ 2, 2, 6, 14, 54, 150, 622, 1882, 7978, 25898, 111298, 379798, 1649502, 5845638, 25600082, 93459726, 412071226, 1540777002 ]
[ "nonn" ]
A320074
[ 1, 8, 80, 720, 6560, 58960, 531440, 4782240, 43046640, 387413920, 3486784400, 31380999840, 282429536480, 2541865296880, 22876792448320, 205891127311680, 1853020188851840, 16677181656560880, 150094635296999100, 1350851717285570800, 12157665459056396000 ]
[ "nonn" ]
A252997
[ 218, 189648, 720240, 119967120, 129705984, 517941905, 707902440, 1321744320, 98890370304, 99080219520, 119922568640, 139834382688, 347612467648, 580542318720, 952717920000, 1064902900320, 1153644808680, 2255573174400, 3903820736256, 6859688278905, 10944640212480, 1442419686...
[ "nonn" ]
A097206
[ 800, 30375, 9765625, 1313046875, 7863818359375, 453238525390625, 1083264923095703200, 47227840423583980000, 7.672718763351441e+22, 3.8204992190003395e+27, 1.333148730918765e+29 ]
[ "nonn" ]
A342017
[ 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2...
[ "nonn" ]
A179757
[ 56, 228, 932, 3736, 15512, 62040, 242264, 969136, 3985840, 15943080, 62096808, 248388496, 1021909904, 4087635248, 15883066672, 63532285248, 261545377088, 1046181434696, 4065904153928, 16263616920064, 66960253254144 ]
[ "nonn" ]
A182453
[ 1, 3, 8, 24, 75, 233, 714, 2166, 6533, 19647, 59004, 177092, 531375, 1594245, 4782878, 14348802, 43046601, 129140027, 387420336, 1162261296, 3486784211, 10460352993, 31381059378, 94143178574, 282429536205, 847288609143, 2541865828004, 7625597484636, 2287679245...
[ "nonn", "easy" ]
A104726
[ 1, 1, 1, 2, 2, 1, 3, 3, 3, 1, 5, 5, 5, 4, 1, 8, 8, 8, 8, 5, 1, 13, 13, 13, 13, 12, 6, 1, 21, 21, 21, 21, 21, 17, 7, 1, 34, 34, 34, 34, 34, 33, 23, 8, 1, 55, 55, 55, 55, 55, 55, 50, 30, 9, 1, 89, 89, 89,...
[ "nonn", "easy", "tabl" ]
A156913
[ 2, 4, 6, 11, 14, 21, 37, 75, 81, 176, 194, 310, 324, 332, 345, 399, 447, 612, 1122, 1209, 1614, 1874, 1921, 2186, 2329, 2482, 2509, 2874, 2940, 2975, 3230, 3611, 4185, 4650, 4923, 5172, 5248, 5543, 5587, 5673, 5714, 5764, 6038, 60...
[ "nonn" ]
A179552
[ 3, 0, 1, 5, 0, 2, 8, 3, 2, 3, 9, 5, 8, 2, 4, 5, 7, 0, 6, 8, 3, 7, 1, 5, 5, 6, 9, 5, 3, 0, 4, 6, 9, 8, 4, 3, 1, 4, 3, 3, 5, 9, 0, 9, 8, 3, 1, 7, 1, 4, 6, 9, 0, 5, 1, 7, 7, 9, 5, 4, 0, 5, 1, 8...
[ "nonn", "cons", "easy" ]
A287963
[ 1, 1, 1, 2, 5, 10, 28, 71, 194, 532, 1495, 4256, 12176, 35251, 102664, 300260, 881909, 2599948, 7688164, 22788527, 67676144, 201308938, 599676445, 1788564038, 5339905904, 15956230705, 47713265536, 142763240666, 427390085963, 1280058256294, 3835332884686 ]
[ "nonn" ]
A209169
[ 1, 2, 3, 3, 7, 7, 5, 16, 23, 17, 8, 33, 65, 70, 41, 13, 65, 159, 233, 204, 99, 21, 124, 362, 654, 776, 577, 239, 34, 231, 782, 1676, 2447, 2461, 1597, 577, 55, 423, 1627, 4018, 6937, 8586, 7534, 4348, 1393, 89, 764, 3289, ...
[ "nonn", "tabl" ]
A336709
[ 1, 1, 1, 1, 1, -2, 1, 1, -1, 2, 1, 1, 0, -1, 4, 1, 1, 1, -1, 5, -24, 1, 1, 2, 2, 0, -3, 48, 1, 1, 3, 8, 5, 2, -21, 24, 1, 1, 4, 17, 36, 13, 0, 51, -464, 1, 1, 5, 29, 109, 177, 36, -5, 41, 1376, 1, 1, 6,...
[ "sign", "tabl" ]
A150053
[ 1, 2, 6, 18, 62, 210, 758, 2714, 10054, 37090, 139614, 524498, 1995606, 7587258, 29089670, 111524322, 430033118, 1658717458, 6424179254, 24893373562, 96748946886, 376241540642, 1466424281790, 5719018497394, 22342446655478, 87338376774970, 341874710908710, 133900...
[ "nonn", "walk" ]
A298753
[ 1, 0, 1, 0, 1, 1, 0, 2, 3, 1, 0, 5, 8, 7, 1, 0, 14, 23, 26, 15, 1, 0, 42, 70, 89, 80, 31, 1, 0, 132, 222, 302, 335, 242, 63, 1, 0, 429, 726, 1032, 1294, 1265, 728, 127, 1, 0, 1430, 2431, 3564, 4842, 5654, 4823, 2...
[ "nonn", "tabl" ]
A295172
[ 1, 2, 73, 1872172 ]
[ "nonn", "more" ]
A245647
[ 4, 12, 105, 2625 ]
[ "nonn", "more", "hard" ]
A304127
[ 1, 5, 9, 44, 176, 651, 2945, 14708, 79188, 495071, 3628565, 29134749, 265855219, 2732640025, 30998016185, 398665350465 ]
[ "nonn" ]
A375162
[ 18, 24, 30, 36, 40, 42, 48, 54, 56, 60, 66, 72, 78, 80, 84, 88, 96, 100, 102, 104, 108, 112, 114, 120, 132, 136, 138, 140, 144, 150, 152, 156, 160, 162, 168, 174, 176, 180, 184, 186, 192, 200, 204, 208, 210, 216, 220, 222,...
[ "nonn" ]
A252699
[ 0, 6, 30, 150, 870, 5070, 30270, 180750, 1083630, 6496710, 38975190, 233820870, 1402894950, 8417188950, 50502952950, 303016634070, 1818098720790, 10908585828030, 65451508471470, 392709011853630, 2356254032146590, 14137523959058670, 84825143520531150 ]
[ "easy", "nonn", "walk" ]
A318334
[ 7, 7, 3, 9, 0, 6, 9, 9, 5, 9, 8, 3, 9, 6, 6, 8, 5, 7, 0, 7, 9, 5, 1, 7, 5, 8, 0, 9, 0, 9, 5, 6, 0, 8, 1, 0, 3, 3, 7, 6, 5, 7, 4, 5, 4, 6, 2, 1, 7, 3, 7, 4, 7, 2, 5, 4, 6, 9, 3, 4, 0, 0, 0, 4...
[ "nonn", "base" ]
A271851
[ 1, 3, 23, 426, 21010, 2422412, 656536622, 403782014944, 553766164923422 ]
[ "nonn" ]
A092001
[ 1560, 2640, 3120, 4200, 5928, 6072, 6840, 7560, 7800, 10080, 10560, 11400, 11760, 12240, 12600, 13440, 15288, 15600, 15840, 17808, 20592, 20832, 21120, 21528, 21912, 22848, 25680, 25872, 26208, 27840, 29232, 29400, 29640, 30192, 30240 ]
[ "nonn" ]
A216943
[ 27224, 278398992, 1419691311304, 4096557367365808, 7251826449700700000, 8.365565750024648e+21, 6.599849499864662e+24, 3.706056375338247e+27 ]
[ "nonn" ]
A051470
[ 1, 906150258, 906150259, 906150260, 906150263, 906150264, 906150331, 906150334, 906150337, 906150338, 906150339, 906150358, 906150359, 906150362, 906150363, 906150368, 906150387, 906150388, 906150389, 906150406, 906150407 ]
[ "nonn" ]
A289713
[ 1, 2, 9, 61, 449, 3161, 21145, 136529, 862209, 5369617, 33133481, 203119577, 1239049729, 7528608985, 45596026169, 275385806881, 1659295498241, 9977108934689, 59881303252297, 358815987469673, 2146943650081281, 12829239786138216, 76571416493573860, 456525052642949700 ]
[ "nonn", "easy" ]
A018585
[ 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672 ]
[ "nonn", "fini", "full" ]
A102855
[ 1, -1, -1, 1, 2, -1, -1, -1, -1, 1, 2, -1, -1, 2, 3, -1, -1, -1, -1, 1, 2, -1, -1, 2, 3, -1, -1, -1, -1, 2, 3, -1, -1, 3, 1, 2, -1, -1, 2, 3, -1, -1, -1, -1, 2, 3, -1, -1, 3, 4, -1, -1, -1, -1, 2, 1, 2, ...
[ "sign" ]
A080244
[ 1, -2, 7, -26, 107, -468, 2141, -10124, 49101, -242934, 1221427, -6222838, 32056215, -166690696, 873798681, -4612654808, 24499322137, -130830894666, 702037771647, -3783431872018, 20469182526595, -111133368084892, 605312629105205, -3306633429423460, 18111655081108452 ]
[ "sign", "easy", "changed" ]