N8Programs/oeis-enhanced · Datasets at Hugging Face

id stringlengths 7 11	seq listlengths 1 347	keywords listlengths 1 8 ⌀
A222994	[ 27, 222, 3510, 35845, 440451, 4336850, 45780150, 429855929, 4210077753, 38391032908, 361489077216, 3243365023189, 29888768425389, 265889740878798, 2420966073903612, 21447101527922684, 193955683695342900 ]	[ "nonn" ]
A328084	[ 1, 0, 1, 1, 0, 0, 1, 2, 1, 1, 0, 0, 0, 1, 3, 2, 3, 2, 1, 1, 0, 0, 0, 0, 1, 4, 3, 5, 5, 5, 4 ]	[ "nonn", "tabf", "more" ]
A359064	[ 2, 5, 7, 12, 20, 33, 52, 86, 137, 222, 353, 568, 900, 1433, 2260, 3574 ]	[ "nonn", "more" ]
A238867	[ 1, 1, 2, 3, 5, 7, 11, 15, 22, 30, 41, 54, 73, 95, 125, 162, 210, 268, 344, 434, 549, 688, 861, 1069, 1328, 1637, 2016, 2472, 3023, 3682, 4479, 5424, 6558, 7905, 9508, 11404, 13657, 16307, 19440, 23123, 27454, 32526, 38479, 45424, ...	[ "nonn" ]
A022356	[ 0, 22, 22, 44, 66, 110, 176, 286, 462, 748, 1210, 1958, 3168, 5126, 8294, 13420, 21714, 35134, 56848, 91982, 148830, 240812, 389642, 630454, 1020096, 1650550, 2670646, 4321196, 6991842, 11313038 ]	[ "nonn" ]
A162615	[ 1, 2, 9, 3, 29, 55, 4, 67, 130, 193, 5, 129, 253, 377, 501, 6, 221, 436, 651, 866, 1081, 7, 349, 691, 1033, 1375, 1717, 2059, 8, 519, 1030, 1541, 2052, 2563, 3074, 3585, 9, 737, 1465, 2193, 2921, 3649, 4377, 5105, 5833, 10, ...	[ "easy", "nonn", "tabl" ]
A163867	[ 1, 2, 3, 5, 5, 7, 8, 8, 10, 13, 13, 13, 15, 15, 18, 20, 20, 20, 23, 23, 23, 26, 26, 28, 30, 30, 30, 36, 36, 36, 36, 36, 39, 39, 39, 41, 45, 45, 45, 45, 45, 51, 54, 54, 54, 56, 56, 56, 59, 59, 59, 59, 59, 61, ...	[ "nonn" ]
A348249	[ 1, 2, 3, 4, 5, 10, 7, 8, 9, 10, 11, 20, 13, 24, 52, 16, 17, 18, 19, 20, 53, 22, 23, 40, 25, 48, 27, 28, 29, 30, 31, 32, 33, 34, 35, 116, 37, 72, 172, 40, 41, 42, 43, 44, 371, 46, 47, 48, 49, 50, 51, 52, 53, 54,...	[ "nonn" ]
A099885	[ 1, 2, 6, 12, 20, 40, 120, 240, 272, 544, 1632, 3264, 5440, 10880, 32640, 65280, 65792, 131584, 394752, 789504, 1315840, 2631680, 7895040, 15790080, 17895424, 35790848, 107372544, 214745088, 357908480, 715816960, 2147450880, 4294901760 ]	[ "nonn", "easy" ]
A204730	[ 171860, 10332706, 108530190, 6063334774, 72313926190, 3923500974342, 49973876676266, 2620184692100666, 35147734420956230, 1772864559414767600, 24904244389253270000, 1.2071685955611064e+21, 1.7696904425164367e+22 ]	[ "nonn" ]
A151009	[ 1, 2, 9, 39, 175, 816, 3873, 18546, 89585, 435652, 2128065, 10432329, 51295715, 252813922, 1248362621, 6174100841, 30576404553, 151594186090, 752300064451, 3736407707659, 18570435527151, 92353606575420, 459532372068109, 2287600603432482, 11392571991635032, 567571099...	[ "nonn", "walk" ]
A340904	[ 1, 1, 5, 28, 225, 2206, 26174, 361278, 5704401, 101297701, 1998893240, 43386854622, 1027353587730, 26353742447280, 728030940612638, 21548668265211776, 680330296613877800, 22821706122361385000, 810587673640374500000, 3.0390159250481752e+22 ]	[ "nonn" ]
A266597	[ 1, 0, 2, 38, 1197, 64497, 4975742, 519665920, 70425165645, 12012958306121, 2518082525423953, 636165450001831800 ]	[ "nonn" ]
A015905	[ 1, 2, 13, 14, 26, 182, 286, 2626, 2926, 8866, 10186, 57226, 62686, 118378, 185653, 187838, 284662, 396526, 689546, 792946, 927706, 1110214, 1140686, 1501526, 1943266, 2034406, 2402686, 2427706, 2759926, 3032926, 4450706, 6586426, 6849766, 7319026, ...	[ "nonn" ]
A199139	[ 0, 0, 1, 9, 122, 1701 ]	[ "nonn", "more" ]
A150704	[ 1, 2, 8, 26, 122, 448, 2152, 8472, 41392, 168744, 830394, 3472922, 17180492, 73077518, 362531322, 1562875216, 7770405164, 33836355878, 168454755496, 739701307326, 3686582838274, 16297297209366, 81281185853350, 361399338352062, 1803487228354988, 8057801216222010, 4...	[ "nonn", "walk" ]
A145557	[ 1, 5, 13, 361, 31, 1193, 31021, 34467, 5273479, 1821745, 220211, 230450795, 2880634987, 1502939987, 5896829249, 12430516053889, 1381168450513, 3271188435379, 2299645470079393, 459929094015491, 819873602375609, 810854992749436500, 311867304903633300 ]	[ "nonn", "frac", "easy" ]
A158105	[ 1, 5, 350, 349125, 6541895625, 2507423437503750, 2.026924781984868e+22, 3.527360416889445e+30, 1.3447858828542524e+40 ]	[ "nonn" ]
A233934	[ 312, 1996, 12880, 88572, 609912, 4361260, 30999664, 226112364, 1632434488, 12023904092, 87476145488, 647317646108, 4727495091576, 35056982203980, 256540627260976, 1904048129719436, 13948922790405176, 103557690225690110 ]	[ "nonn" ]
A110304	[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 121, 12, 52, 14, 30, 16, 34, 18, 38, 0, 21, 418, 23, 72, 25, 52, 27, 56, 29, 30, 341, 32, 165, 34, 70, 36, 74, 38, 78, 0, 41, 210, 43, 616, 45, 92, 47, 96, 49, 50, 561, 52, 212, 5...	[ "base", "easy", "nonn" ]
A289335	[ 0, 1, 12, 24, 125, 139, 169, 185, 1096, 1191, 1223, 1243, 1369, 1391, 1425, 1461, 10442, 10468, 10585, 10613, 10741, 10781, 10819, 10851, 11789, 11878, 11918, 12732, 12862, 12900, 12958, 12998, 101989, 102037, 102081, 102133, 102384, 102430, ...	[ "nonn", "base", "easy" ]
A181642	[ 0, 1, 0, 2, 1, 3, 4, 0, 5, 6, 2, 7, 8, 9, 10, 1, 11, 12, 3, 13, 14, 15, 16, 4, 17, 18, 0, 19, 20, 21, 22, 5, 23, 24, 25, 26, 27, 28, 6, 29, 30, 2, 31, 32, 33, 34, 35, 36, 7, 37, 38, 39, 40, 8, 41, 42, 9, ...	[ "easy", "nonn" ]
A074094	[ 1, 12, 360, 1680, 27720, 1965600, 116396280, 758696400, 18465927480, 3962129371200, 5637782470320, 546077803471200, 592841333318073900, 717574218173821000000, 66020319718147600000, 1.1130486762412543e+23 ]	[ "nonn" ]
A226575	[ 4, 24, 48, 72, 160, 168, 180, 300, 448, 504, 520, 768, 784, 900, 1080, 1152, 1176, 1320, 1584, 1620, 1920, 2200, 2232, 2268, 2548, 2904, 3108, 3744, 3784, 3808, 3840, 4416, 4680, 4732, 5508, 5880, 5880, 5928, 6624, 6720, 6732, 7600, ...	[ "nonn" ]
A036152	[ 1, 2, 4, 8, 16, 32, 64, 128, 83, 166, 159, 145, 117, 61, 122, 71, 142, 111, 49, 98, 23, 46, 92, 11, 22, 44, 88, 3, 6, 12, 24, 48, 96, 19, 38, 76, 152, 131, 89, 5, 10, 20, 40, 80, 160, 147, 121, 69, 138, 103, 33, 66...	[ "nonn", "easy" ]
A119343	[ 17, 173, 1732050807568877300 ]	[ "nonn", "base" ]
A335693	[ 0, 1, 2, 14, 82, 593, 4820, 43980, 444612, 4934721, 59661254, 780531034, 10987095718, 165586966817, 2660378564776, 45392022568024, 819716784789192, 15620010933562688, 313219935456042940, 6593238655510465000, 145364470356686270000, 3.3499760568592944e+21 ]	[ "nonn" ]
A295364	[ 1, 3, 5, 32, 79, 167, 318, 575, 1003, 1710, 2869, 4761, 7840, 12841, 20953, 34100, 55395, 89875, 145690, 236027, 382223, 618802, 1001625, 1621077, 2623404, 4245237, 6869453, 11115560, 17985943, 29102526, 47089591 ]	[ "nonn", "easy" ]
A176540	[ 1, 4, 6, 9, 10, 14, 15, 21, 22, 25, 26, 33, 34, 35, 38, 39, 46, 49, 51, 55, 57, 58, 62, 65, 69, 74, 77, 82, 85, 86, 87, 91, 93, 94, 95, 106, 111, 115, 118, 119, 121, 122, 123, 129, 133, 134, 141, 142, 143, 145, 146, ...	[ "nonn", "less" ]
A301572	[ 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 2, 3, 2, 1, 0, 0, 0, 1, 0, 0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, ...	[ "nonn", "base", "look" ]
A094863	[ 1, 2, 3, 4, 7, 10, 19, 28 ]	[ "nonn", "more", "nice", "hard" ]
A256145	[ 2, 17, 41, 257, 313, 1297, 1201, 241, 193, 73, 137, 7321, 89, 233, 14281, 937, 1489, 65537, 41761, 113, 929, 3833, 160001, 97241, 3209, 139921, 331777, 11489, 26881, 6481, 614657, 353641, 3361, 409, 1129, 61681, 97, 6113, 1336337, 750313,...	[ "nonn" ]
A018435	[ 1, 2, 4, 101, 202, 404 ]	[ "nonn", "fini", "full", "easy" ]
A112851	[ 0, 0, 3, 21, 81, 231, 546, 1134, 2142, 3762, 6237, 9867, 15015, 22113, 31668, 44268, 60588, 81396, 107559, 140049, 179949, 228459, 286902, 356730, 439530, 537030, 651105, 783783, 937251, 1113861, 1316136, 1546776, 1808664, 2104872, 2438667, 28135...	[ "nonn", "easy" ]
A116907	[ 0, 15, 6, 2, 13, 1, 3, 6, 2, 1, 1, 5, 1, 1, 1, 9, 4, 1, 1, 1, 6, 7, 1, 2, 4, 1, 2, 2, 24, 1, 2, 4, 56, 1, 1, 2, 4, 1, 75, 1, 5, 1, 2, 2, 1, 137, 2, 2, 97, 3, 16, 1, 1, 1, 1, 3, 5, 12, 1, 1, 2, 1...	[ "cofr", "easy", "nonn", "less" ]
A114287	[ 0, 512, 4608, 18432, 38115, 70883, 134883, 245475, 402939, 578555, 840699, 1213947, 1725947, 2257388, 2938860, 3823596, 4948460, 6208172, 7613100, 9341100, 11294225, 13391377, 15851752, 18367208, 21353192, 24865000, 28961000 ]	[ "easy", "nonn" ]
A248855	[ 1, 1, 1, 1, 3556, 1, 34, 3, 4, 1, 2, 1, 11285, 5, 2, 124, 569, 1, 290, 3, 1, 165, 2, 1, 1, 2, 1, 316, 1, 2, 58957, 1, 3, 58617, 522, 2, 1, 1, 4, 1, 2, 1, 1, 2, 1, 7932, 4, 1, 5875, 1679, 4, 4, 3, 3, 1, 2, ...	[ "nonn" ]
A156033	[ 0, 1, 9, 6, 25, 15, 49, 7, 9, 5, 121, 11, 169, 91, 1, 1, 289, 17, 361, 19, 1, 11, 529, 23, 1, 13, 1, 1, 841, 29, 961, 31, 1, 17, 1, 1, 1369, 703, 1, 1, 1681, 41, 1849, 43, 1, 23, 2209, 47, 1, 1, 1, 1, 2809, 53,...	[ "nonn", "frac" ]
A092219	[ 0, 0, 4, 0, 0, 12, 16, 10, 0, 28, 22, 36, 40, 12, 14, 52, 0, 6, 26, 28, 72, 18, 0, 88, 96, 62, 0, 0, 108, 112, 0, 0, 42, 128, 146, 0, 156, 0, 0, 172, 0, 180, 0, 74, 196, 0, 0, 132, 0, 228, 232, 0, 210, 126, 2...	[ "nonn" ]
A316745	[ 344373768, 30233088000000, 5777633090469888, 198077054103584770, 97261323672455430000, 5.24288e+21, 3.246253105427251e+22, 9.693259832756085e+22, 2.052627611160278e+25, 1.9584598277756993e+26, 1.631774235698698e+27 ]	[ "nonn" ]
A117150	[ 4, 5, 7, 9, 13, 8, 11, 15, 21, 29, 41, 57, 81, 48, 67, 95, 56, 79, 111, 157, 92, 54, 32, 45, 63, 89, 125, 177, 104, 147, 207, 293, 172, 243, 343, 485, 685, 969, 568, 803, 1135, 1605, 2269, 3209, 1880, 2659, 1558, 2203, 3...	[ "nonn" ]
A202271	[ 1, 4, 8, 9, 16, 49, 81, 169 ]	[ "nonn", "base", "fini", "full" ]
A247035	[ 2, 14, 22, 58, 266, 398, 1042, 4774, 7142, 18698, 85666, 128158, 335522, 1537214, 2299702, 6020698, 27584186, 41266478, 108037042, 494978134, 740496902, 1938646058, 8882022226, 13287677758, 34787592002, 159381421934, 238437702742, 624238009978 ]	[ "nonn", "easy" ]
A231815	[ 30, 51319, 3882139, 289022911, 674910259, 991523479, 1893583519, 4550912389, 9761467669, 16721570539, 28685399311, 72886214809, 77372307511, 82720376839, 98685849571, 173850108931, 220038912319, 229352039821, 240313142749, 257401051861, 428178002569 ]	[ "nonn" ]
A172050	[ 0, 4, 8, 13, 20, 30, 46, 72, 116, 191, 320, 542, 924, 1580, 2704, 4625, 7900, 13470, 22922, 38928, 65980, 111619, 188488, 317758, 534840, 898900, 1508696, 2528917, 4233956, 7080606, 11828710, 19741272, 32916164, 54835655, 91276304 ]	[ "nonn" ]
A180635	[ 5, 31, 173, 891, 4373 ]	[ "hard", "more", "nonn" ]
A138790	[ 61, 946 ]	[ "nonn", "bref", "hard", "more", "base" ]
A310935	[ 1, 4, 7, 8, 12, 16, 22, 26, 28, 28, 33, 40, 44, 46, 45, 47, 55, 64, 66, 65, 63, 68, 79, 86, 86, 82, 82, 90, 103, 108, 105, 100, 103, 114, 125, 128, 122, 119, 125, 138, 147, 147, 140, 140, 149, 160, 167, 164, 159, 162 ]	[ "nonn" ]
A126396	[ 1, 9, 39, 175, 793, 3611, 16475, 75229, 343633, 1569883, 7172423, 32769925, 149723361, 684077955, 3125520983, 14280373781, 65246447425, 298108406323, 1362045450407, 6223131628517, 28433241805745, 129910355608771 ]	[ "nonn", "base" ]
A201055	[ 6, 16, 32, 116, 123, 132, 161, 213, 231, 312, 321, 611, 1116, 1132, 1161, 1312, 1611, 3112, 3211, 6111, 11116, 11123, 11132, 11231, 11312, 11611, 12131, 12311, 13112, 13211, 21113, 21131, 21311, 23111, 31112, 31211, 32111, 61111, 111116, ...	[ "nonn", "base" ]
A370218	[ 1, 3, 15, 93, 639, 4578, 33423, 246816, 1838367, 13788399, 104011140, 788315124, 5998380543, 45794787678, 350619595614, 2691082393818, 20699166876831, 159515321712480, 1231354153215123, 9519556856284218, 73694926944160160, 571201080979318460 ]	[ "nonn" ]
A101713	[ 0, 2, 6, 9, 39, 418, 448, 1736, 2244, 3130, 3812, 5344, 5658, 5680, 8409, 9096, 11292, 21060 ]	[ "nonn", "hard", "more" ]
A307454	[ 1, 3, 9, 33, 123, 513, 2077, 8759, 37184, 159508, 688446, 2993451, 13082724 ]	[ "nonn", "more" ]
A048094	[ 0, 0, 1, 2, 6, 13, 25, 45, 91, 175, 322, 570, 975, 1617, 2607, 7425, 12753, 21385, 35065, 56302, 88638, 136986, 208050, 310840, 1251606, 1973706, 3065931, 4694921, 7092211, 10575635, 15576535, 22674015, 32637675, 46480475 ]	[ "nonn" ]
A142731	[ 181, 653, 1361, 1597, 1951, 2069, 2423, 2659, 2777, 4547, 4783, 6199, 6317, 6553, 6907, 8087, 8677, 9739, 9857, 10093, 10211, 11273, 11863, 11981, 12689, 13043, 13397, 13633, 13751, 14341, 14813, 16111, 16229, 16937, 17291, 17881, 18353, 2012...	[ "nonn", "easy" ]
A102603	[ 21, 45, 69, 93, 117, 141, 165, 189, 213, 237, 261, 285, 309, 333, 357, 381, 405, 429, 453, 477, 501, 525, 549, 573, 597, 621, 645, 669, 693, 717, 741, 765, 789, 813, 837, 861, 885, 909, 933, 957, 981, 1005, 1029, 1053, 1077, 1...	[ "easy", "nonn" ]
A247940	[ 5, 5, 15, 5, 19, 30, 17, 19, 15, 13, 13, 24, 35, 236, 33, 34, 31, 90, 29, 23, 27, 25, 25, 84, 47, 80, 45, 190, 43, 54, 41, 35, 39, 1216, 37, 72, 59, 212, 57, 43, 55, 66, 53, 86, 51, 76, 49, 60, 71, 53, 69, 55, 67...	[ "nonn" ]
A374455	[ 1, 5, 35, 235, 1580, 10626, 71460, 480570, 3231845, 21734235, 146163251, 982951365, 6610371480, 44454906580, 298960311840, 2010515259876, 13520763292345, 90927457083265, 611489327404315, 4112280377388895, 27655184063541876, 185981775414350140, 1250731895575163400 ]	[ "nonn", "easy" ]
A014383	[ 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, 0, 0, 0, 0, 0, 0, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...	[ "sign" ]
A152462	[ 1, 1, -1, 2, -1, 1, 3, -2, 1, -1, 5, -3, 3, -1, -1, 8, -5, 5, -4, -1, 7, 13, -8, 9, -7, 4, 7, -27, 21, -13, 15, -13, 9, -1, -27, 83, 34, -21, 25, -22, 19, -9, -14, 83, -239, 55, -34, 41, -37, 34, -25, -1, 62, -...	[ "tabl", "uned", "obsc", "less", "sign" ]
A252508	[ 1515, 1644, 3980, 9277, 25197, 76113, 231372, 698936, 2121821, 6483996, 19881260, 61024374, 187473423, 576442523, 1773336035, 5457204006, 16797726720, 51712080105, 159214729408, 490238324306, 1509560349792, 4648472850677 ]	[ "nonn" ]
A220753	[ 1, 4, 8, 11, 22, 25, 50, 53, 106, 109, 218, 221, 442, 445, 890, 893, 1786, 1789, 3578, 3581, 7162, 7165, 14330, 14333, 28666, 28669, 57338, 57341, 114682, 114685, 229370, 229373, 458746, 458749, 917498, 917501, 1835002, 1835005, 3670010, ...	[ "nonn", "easy" ]
A357464	[ 5, 9, 8, 1, 9, 3, 4, 9, 8, 1, 1, 0, 8, 5, 5, 3, 3, 0, 4, 2, 7, 8, 3, 7, 9, 0, 6, 2, 1, 0, 0, 4, 9, 4, 4, 6, 7, 3, 3, 9, 8, 4, 2, 4, 7, 1, 5, 0, 5, 6, 1, 0, 6, 8, 0, 3, 2, 3, 5, 9, 8, 9, 0, 5...	[ "nonn", "cons", "easy" ]
A000612	[ 1, 2, 6, 40, 1992, 18666624, 12813206169137152, 3.375817148659299e+34, 1.4359138050262425e+72 ]	[ "nonn", "easy", "nice", "core" ]
A257095	[ 1, 6, 0, 8, 3, 5, 9, 4, 2, 1, 9, 8, 5, 5, 4, 5, 6, 5, 9, 2, 3, 1, 9, 4, 1, 5, 2, 3, 1, 6, 3, 7, 9, 3, 8, 1, 6, 4, 9, 2, 2, 5, 1, 5, 1, 3, 1, 4, 1, 8, 4, 2, 6, 7, 7, 2, 3, 9, 5, 3, 1, 1, 0, 6...	[ "nonn", "cons", "easy" ]
A026066	[ 105, 168, 246, 340, 451, 580, 728, 896, 1085, 1296, 1530, 1788, 2071, 2380, 2716, 3080, 3473, 3896, 4350, 4836, 5355, 5908, 6496, 7120, 7781, 8480, 9218, 9996, 10815, 11676, 12580, 13528, 14521, 15560, 16646, 17780, 18963, 20196, 21480, 2...	[ "nonn", "easy" ]
A288840	[ 1, 984, 574488, 307081056, 164453203992, 88062998451984, 47157008244215900, 25252184242734326000, 1.3522333949728177e+22, 7.241096993206804e+24, 3.8775470167098334e+27, 2.0763940713530123e+30 ]	[ "nonn" ]
A083979	[ 181, 18181, 78887, 1880881, 9888889, 188868881, 188888881, 18888588881, 1488888888841, 7888886888887, 3888888888883, 188888858888881, 188888888888881, 38888888088888880, 1688888888888888800, 3888888882888889000, 128888888888888890000 ]	[ "base", "nonn" ]
A386248	[ 1, 2, 4, 8, 3, 16, 32, 6, 64, 128, 12, 256, 512, 24, 3, 1024, 2048, 48, 4096, 8192, 96, 16384, 32768, 192, 6, 65536, 131072, 384, 262144, 524288, 768, 1048576, 2097152, 1536, 12, 4194304, 3, 8388608, 3072, 3, 16777216, 33554432, 614...	[ "nonn", "base" ]
A347025	[ 0, 1, 2, 4, 7, 13, 24 ]	[ "nonn", "hard", "more" ]
A131905	[ 7, 26, 35, 47, 77, 91, 119, 130, 133, 141, 157, 161, 175, 182, 203, 215, 217, 249, 259, 282, 286, 287, 301, 329, 371, 385, 413, 423, 427, 434, 442, 455, 469, 471, 494, 497, 511, 517, 553, 581, 595, 598, 611, 623, 650, 651, 6...	[ "easy", "nonn" ]
A129156	[ 0, 1, 3, 10, 36, 136, 532, 2139, 8796, 36859, 156946, 677514, 2959669, 13063493, 58184838, 261230814, 1181144792, 5374078726, 24588562675, 113067256235, 522270436044, 2422244159067, 11275548912967, 52663412854571 ]	[ "nonn" ]
A188678	[ 1, 0, 3, 9, 46, 227, 1201, 6551, 36712, 209963, 1220752, 7193888, 42873220, 257957352, 1564809168, 9559946496, 58768808463, 363261736872, 2256369305793, 14076552984507, 88163556913188, 554148894304557, 3494365949734563 ]	[ "nonn", "easy" ]
A308909	[ 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 6, 8, 14, 15, 23, 28, 39, 43, 62, 70, 98, 115, 152, 175, 227, 253, 319, 356, 441, 485, 599, 656, 793, 864, 1026, 1121, 1344, 1453, 1709, 1865, 2184, 2357, 2747, 2964, 3449, 3719, 4289, 4618, ...	[ "nonn" ]
A302812	[ 32, 2048, 36456, 773520, 15904814, 327603711, 6769884156, 139698154211, 2883341313830, 59516238963785, 1228442020230904, 25355878798281360, 523363128022737540, 10802567596406245000, 222972375306077500000 ]	[ "nonn" ]
A139567	[ 8, 512, 33554432, 137438953472, 2.658455991569832e+36 ]	[ "nonn" ]
A306643	[ 123, 234, 345, 456, 8910, 101112, 230231232 ]	[ "nonn", "base", "more" ]
A240712	[ 0, 0, 0, 0, 1, 1, 1, 1, 2, 1, 2, 3, 2, 2, 3, 1, 3, 4, 2, 2, 4, 2, 3, 5, 3, 3, 5, 2, 4, 6, 2, 4, 6, 2, 4, 6, 4, 4, 7, 4, 4, 8, 4, 4, 9, 3, 5, 7, 3, 5, 8, 4, 5, 8, 5, 6, 10, 5, 6, 12, 4, 5, 10, ...	[ "nonn", "easy" ]
A058858	[ 1, 2, 8, 18, 42, 66, 69, 84, 1138, 1935, 3828, 9464, 130936, 150910, 261132, 1406536, 2877311, 5118856, 5497690, 5872385, 6009938, 6777062 ]	[ "nonn" ]
A360531	[ 2, 4, 5, 7, 9, 10, 12, 15, 17, 18, 20, 25, 28, 30, 31, 33, 41, 46, 49, 51, 52, 54, 67, 75, 80, 83, 85, 86, 88, 109, 122, 130, 135, 138, 140, 141, 143, 177, 198, 211, 219, 224, 227, 229, 230, 232, 287, 321, 342, 355, ...	[ "nonn" ]
A143762	[ 1, 3, 19, 427, 184053, 33876427099, 1.14761231319712e+21, 1.3170140214016449e+42, 1.7345259325685324e+84 ]	[ "nonn" ]
A346466	[ 1, 1, 2, 1, 4, 1, 6, 1, 2, 1, 10, 1, 12, 1, 2, 1, 16, 1, 18, 1, 2, 1, 22, 1, 4, 1, 2, 1, 28, 1, 30, 1, 2, 1, 1, 1, 36, 1, 2, 1, 40, 1, 42, 1, 4, 1, 46, 1, 6, 1, 2, 1, 52, 1, 1, 1, 2, 1, 58, 1, 60,...	[ "nonn" ]
A251696	[ 1, 5, 324, 44928, 9716112, 2870090496, 1077194894400, 490873123897344, 263285585800098050, 162505400851637000000, 1.1346391625363656e+23, 8.842366487628508e+25, 7.608682023130999e+28, 7.165152126831191e+31, 7.329807104989991e+34 ]	[ "nonn" ]
A249068	[ 0, 1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 7, 1, 8, 2, 2, 3, 2, 4, 2, 5, 2, 6, 2, 7, 2, 8, 3, 3, 4, 3, 5, 3, 6, 3, 7, 3, 8, 4, 4, 5, 4, 6, 4, 7, 4, 8, 5, 5, 6, 5, 7, 5, 8, 6, 6, 7, 6, 8, 7, 7, 8...	[ "nonn", "base" ]
A363766	[ 1, 9, 7, 3, 2, 6, 9, 8, 0, 4, 5, 9, 3, 0, 2, 4, 6, 5, 8, 9, 0, 8, 9, 4, 4, 0, 8, 1, 8, 6, 7, 2, 1, 1, 0, 3, 7, 2, 7, 2, 7, 2, 7, 0, 3, 5, 5, 6, 3, 1, 6, 4, 0, 0, 5, 9, 6, 2, 6, 7, 4, 3, 3, 9...	[ "cons", "nonn", "easy" ]
A360168	[ 1, 2, 6, 21, 78, 297, 1145, 4447, 17358, 68001, 267141, 1051767, 4148281, 16385111, 64797543, 256515731, 1016368078, 4030114641, 15990813773, 63485616391, 252175202373, 1002136689071, 3984080489263, 15844839393411, 63036297959993, 250855287692647 ]	[ "nonn" ]
A338504	[ 0, 0, 1, 0, 2, 0, 3, 0, 0, 0, 4, 0, 5, 0, 0, 0, 6, 0, 7, 0, 0, 0, 8, 0, 1, 1, 0, 0, 9, 0, 10, 0, 1, 0, 1, 0, 11, 1, 0, 0, 12, 0, 13, 0, 0, 0, 14, 0, 1, 0, 1, 0, 15, 0, 1, 0, 0, 0, 16, 0, 17, 0, ...	[ "nonn" ]
A268020	[ 3, 29, 299, 2177, 10482, 41348 ]	[ "nonn", "more" ]
A128829	[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 20, 21, 23, 25, 26, 27, 28, 30, 31, 33, 36, 37, 38, 41, 42, 44, 46, 48, 49, 50, 53, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 72, 73, 75, 76, 77, 79, 81...	[ "nonn", "less", "easy" ]
A042347	[ 1, 2, 11, 24, 35, 59, 94, 153, 1930, 2083, 4013, 6096, 10109, 26314, 141679, 309672, 16244623, 32798918, 180239213, 393277344, 573516557, 966793901, 1540310458, 2507104359, 31625562766, 34132667125, 65758229891, 99890897016, 165649126907, 431189150830 ]	[ "nonn", "frac", "easy" ]
A135409	[ 0, 244, 939, 38842, 399158, 3185054, 8997888, 89003533, 380705305, 0, 120958456566, 909738914355, 10691161155707, 215413743487843, 1146359095715014, 11741086634604568, 186260344930883650, 586697640742218000, 22434377949474656000, 86030233471862780000 ]	[ "nonn", "base" ]
A357508	[ -1, -2, 14, 484, 9230, 153748, 2434964, 37748520, 580043790, 8886848740, 136151207764, 2088760285456, 32108266614164, 494648505828904, 7637081136832840, 118158193386475980, 1831647087068431400, 28444051172077724000, 442429676097305640000 ]	[ "sign", "easy" ]
A018133	[ 1, 1, 2, 3, 5, 7, 10, 15, 22, 33, 49, 72, 107, 157, 232, 343, 506, 747, 1102, 1627, 2401, 3543, 5229, 7717, 11389, 16807, 24803, 36604, 54019, 79720, 117649, 173623, 256229, 378135, 558042, 823543 ]	[ "nonn" ]
A239120	[ 1, 0, 7, 3, 0, 0, 9, 1, 8, 3, 0, 1, 2, 7, 5, 8, 4, 5, 1, 9, 2, 1, 6, 9, 5, 7, 7, 0, 9, 0, 0, 6, 2, 1, 3, 9, 4, 7, 5, 3, 5, 3, 8, 2, 5, 0, 7, 8, 1, 1, 1, 7, 7, 2, 3, 7, 8, 1, 3, 1, 9, 2, 5, 9...	[ "nonn", "cons" ]
A198420	[ 1, 6, 1, 7, 5, 4, 5, 2, 8, 6, 0, 6, 2, 2, 5, 4, 7, 5, 3, 0, 2, 7, 4, 2, 8, 8, 1, 3, 8, 2, 0, 5, 2, 5, 2, 8, 0, 1, 7, 6, 9, 9, 4, 7, 6, 1, 9, 0, 7, 9, 5, 9, 6, 1, 2, 7, 9, 9, 7, 8, 3, 0, 3, 8...	[ "nonn", "cons" ]
A365342	[ 2, 5, 10, 82, 284, 680, 1322, 68104, 149795, 213895, 1023127, 3775307, 25396927, 36254395, 53343289, 68677522, 266888359, 366901277, 558829814, 1576699732, 8527370677, 11616255230, 16948492520, 167299409017, 222801579737, 2001199132825, 5024272986979, 7880897129...	[ "nonn" ]
A305127	[ 1, 1, 5, 23, 179, 1279, 13699, 135085, 1764377, 22527521, 344625461, 5283739471, 94562354875, 1685808248383, 33947023942259, 694786150879829, 15613612524749488, 357353282848083260, 8880505496901812000, 224851013929747740000, 6.106205671049245e+21, 1.6952351538117378e+23 ]	[ "nonn" ]
A283965	[ 1, 3, 5, 6, 8, 10, 11, 13, 15, 17, 19, 20, 22, 24, 25, 27, 29, 31, 33, 34, 36, 38, 39, 41, 43, 44, 46, 48, 49, 51, 53, 55, 57, 58, 60, 62, 63, 65, 67, 69, 71, 72, 74, 76, 77, 79, 81, 82, 84, 86, 87, 89, 91, 93,...	[ "nonn", "easy" ]
A019114	[ 0, 0, 5, 1, 2, 32, 39, 85, 333, 595, 1284, 3951, 9281, 22166, 60247, 152990, 381931, 999142, 2613381, 6784949, 17834632, 47199686, 124739534, 330693220, 881375746, 2352511702, 6288618559, 16865035451 ]	[ "nonn", "more" ]
A170528	[ 1, 39, 1482, 56316, 2140008, 81320304, 3090171552, 117426518976, 4462207721088, 169563893401344, 6443427949251072, 244850262071540740, 9304309958718548000, 353563778431304800000, 1.3435423580389584e+22 ]	[ "nonn" ]

A222994

[ 27, 222, 3510, 35845, 440451, 4336850, 45780150, 429855929, 4210077753, 38391032908, 361489077216, 3243365023189, 29888768425389, 265889740878798, 2420966073903612, 21447101527922684, 193955683695342900 ]

[ "nonn" ]

A328084

[ 1, 0, 1, 1, 0, 0, 1, 2, 1, 1, 0, 0, 0, 1, 3, 2, 3, 2, 1, 1, 0, 0, 0, 0, 1, 4, 3, 5, 5, 5, 4 ]

[ "nonn", "tabf", "more" ]

A359064

[ 2, 5, 7, 12, 20, 33, 52, 86, 137, 222, 353, 568, 900, 1433, 2260, 3574 ]

[ "nonn", "more" ]

A238867

[ 1, 1, 2, 3, 5, 7, 11, 15, 22, 30, 41, 54, 73, 95, 125, 162, 210, 268, 344, 434, 549, 688, 861, 1069, 1328, 1637, 2016, 2472, 3023, 3682, 4479, 5424, 6558, 7905, 9508, 11404, 13657, 16307, 19440, 23123, 27454, 32526, 38479, 45424, ...

[ "nonn" ]

A022356

[ 0, 22, 22, 44, 66, 110, 176, 286, 462, 748, 1210, 1958, 3168, 5126, 8294, 13420, 21714, 35134, 56848, 91982, 148830, 240812, 389642, 630454, 1020096, 1650550, 2670646, 4321196, 6991842, 11313038 ]

[ "nonn" ]

A162615

[ 1, 2, 9, 3, 29, 55, 4, 67, 130, 193, 5, 129, 253, 377, 501, 6, 221, 436, 651, 866, 1081, 7, 349, 691, 1033, 1375, 1717, 2059, 8, 519, 1030, 1541, 2052, 2563, 3074, 3585, 9, 737, 1465, 2193, 2921, 3649, 4377, 5105, 5833, 10, ...

[ "easy", "nonn", "tabl" ]

A163867

[ 1, 2, 3, 5, 5, 7, 8, 8, 10, 13, 13, 13, 15, 15, 18, 20, 20, 20, 23, 23, 23, 26, 26, 28, 30, 30, 30, 36, 36, 36, 36, 36, 39, 39, 39, 41, 45, 45, 45, 45, 45, 51, 54, 54, 54, 56, 56, 56, 59, 59, 59, 59, 59, 61, ...

[ "nonn" ]

A348249

[ 1, 2, 3, 4, 5, 10, 7, 8, 9, 10, 11, 20, 13, 24, 52, 16, 17, 18, 19, 20, 53, 22, 23, 40, 25, 48, 27, 28, 29, 30, 31, 32, 33, 34, 35, 116, 37, 72, 172, 40, 41, 42, 43, 44, 371, 46, 47, 48, 49, 50, 51, 52, 53, 54,...

[ "nonn" ]

A099885

[ 1, 2, 6, 12, 20, 40, 120, 240, 272, 544, 1632, 3264, 5440, 10880, 32640, 65280, 65792, 131584, 394752, 789504, 1315840, 2631680, 7895040, 15790080, 17895424, 35790848, 107372544, 214745088, 357908480, 715816960, 2147450880, 4294901760 ]

[ "nonn", "easy" ]

A204730

[ 171860, 10332706, 108530190, 6063334774, 72313926190, 3923500974342, 49973876676266, 2620184692100666, 35147734420956230, 1772864559414767600, 24904244389253270000, 1.2071685955611064e+21, 1.7696904425164367e+22 ]

[ "nonn" ]

A151009

[ 1, 2, 9, 39, 175, 816, 3873, 18546, 89585, 435652, 2128065, 10432329, 51295715, 252813922, 1248362621, 6174100841, 30576404553, 151594186090, 752300064451, 3736407707659, 18570435527151, 92353606575420, 459532372068109, 2287600603432482, 11392571991635032, 567571099...

[ "nonn", "walk" ]

A340904

[ 1, 1, 5, 28, 225, 2206, 26174, 361278, 5704401, 101297701, 1998893240, 43386854622, 1027353587730, 26353742447280, 728030940612638, 21548668265211776, 680330296613877800, 22821706122361385000, 810587673640374500000, 3.0390159250481752e+22 ]

[ "nonn" ]

A266597

[ 1, 0, 2, 38, 1197, 64497, 4975742, 519665920, 70425165645, 12012958306121, 2518082525423953, 636165450001831800 ]

[ "nonn" ]

A015905

[ 1, 2, 13, 14, 26, 182, 286, 2626, 2926, 8866, 10186, 57226, 62686, 118378, 185653, 187838, 284662, 396526, 689546, 792946, 927706, 1110214, 1140686, 1501526, 1943266, 2034406, 2402686, 2427706, 2759926, 3032926, 4450706, 6586426, 6849766, 7319026, ...

[ "nonn" ]

A199139

[ 0, 0, 1, 9, 122, 1701 ]

[ "nonn", "more" ]

A150704

[ 1, 2, 8, 26, 122, 448, 2152, 8472, 41392, 168744, 830394, 3472922, 17180492, 73077518, 362531322, 1562875216, 7770405164, 33836355878, 168454755496, 739701307326, 3686582838274, 16297297209366, 81281185853350, 361399338352062, 1803487228354988, 8057801216222010, 4...

[ "nonn", "walk" ]

A145557

[ 1, 5, 13, 361, 31, 1193, 31021, 34467, 5273479, 1821745, 220211, 230450795, 2880634987, 1502939987, 5896829249, 12430516053889, 1381168450513, 3271188435379, 2299645470079393, 459929094015491, 819873602375609, 810854992749436500, 311867304903633300 ]

[ "nonn", "frac", "easy" ]

A158105

[ 1, 5, 350, 349125, 6541895625, 2507423437503750, 2.026924781984868e+22, 3.527360416889445e+30, 1.3447858828542524e+40 ]

[ "nonn" ]

A233934

[ 312, 1996, 12880, 88572, 609912, 4361260, 30999664, 226112364, 1632434488, 12023904092, 87476145488, 647317646108, 4727495091576, 35056982203980, 256540627260976, 1904048129719436, 13948922790405176, 103557690225690110 ]

[ "nonn" ]

A110304

[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 121, 12, 52, 14, 30, 16, 34, 18, 38, 0, 21, 418, 23, 72, 25, 52, 27, 56, 29, 30, 341, 32, 165, 34, 70, 36, 74, 38, 78, 0, 41, 210, 43, 616, 45, 92, 47, 96, 49, 50, 561, 52, 212, 5...

[ "base", "easy", "nonn" ]

A289335

[ 0, 1, 12, 24, 125, 139, 169, 185, 1096, 1191, 1223, 1243, 1369, 1391, 1425, 1461, 10442, 10468, 10585, 10613, 10741, 10781, 10819, 10851, 11789, 11878, 11918, 12732, 12862, 12900, 12958, 12998, 101989, 102037, 102081, 102133, 102384, 102430, ...

[ "nonn", "base", "easy" ]

A181642

[ 0, 1, 0, 2, 1, 3, 4, 0, 5, 6, 2, 7, 8, 9, 10, 1, 11, 12, 3, 13, 14, 15, 16, 4, 17, 18, 0, 19, 20, 21, 22, 5, 23, 24, 25, 26, 27, 28, 6, 29, 30, 2, 31, 32, 33, 34, 35, 36, 7, 37, 38, 39, 40, 8, 41, 42, 9, ...

[ "easy", "nonn" ]

A074094

[ 1, 12, 360, 1680, 27720, 1965600, 116396280, 758696400, 18465927480, 3962129371200, 5637782470320, 546077803471200, 592841333318073900, 717574218173821000000, 66020319718147600000, 1.1130486762412543e+23 ]

[ "nonn" ]

A226575

[ 4, 24, 48, 72, 160, 168, 180, 300, 448, 504, 520, 768, 784, 900, 1080, 1152, 1176, 1320, 1584, 1620, 1920, 2200, 2232, 2268, 2548, 2904, 3108, 3744, 3784, 3808, 3840, 4416, 4680, 4732, 5508, 5880, 5880, 5928, 6624, 6720, 6732, 7600, ...

[ "nonn" ]

A036152

[ 1, 2, 4, 8, 16, 32, 64, 128, 83, 166, 159, 145, 117, 61, 122, 71, 142, 111, 49, 98, 23, 46, 92, 11, 22, 44, 88, 3, 6, 12, 24, 48, 96, 19, 38, 76, 152, 131, 89, 5, 10, 20, 40, 80, 160, 147, 121, 69, 138, 103, 33, 66...

[ "nonn", "easy" ]

A119343

[ 17, 173, 1732050807568877300 ]

[ "nonn", "base" ]

A335693

[ 0, 1, 2, 14, 82, 593, 4820, 43980, 444612, 4934721, 59661254, 780531034, 10987095718, 165586966817, 2660378564776, 45392022568024, 819716784789192, 15620010933562688, 313219935456042940, 6593238655510465000, 145364470356686270000, 3.3499760568592944e+21 ]

[ "nonn" ]

A295364

[ 1, 3, 5, 32, 79, 167, 318, 575, 1003, 1710, 2869, 4761, 7840, 12841, 20953, 34100, 55395, 89875, 145690, 236027, 382223, 618802, 1001625, 1621077, 2623404, 4245237, 6869453, 11115560, 17985943, 29102526, 47089591 ]

[ "nonn", "easy" ]

A176540

[ 1, 4, 6, 9, 10, 14, 15, 21, 22, 25, 26, 33, 34, 35, 38, 39, 46, 49, 51, 55, 57, 58, 62, 65, 69, 74, 77, 82, 85, 86, 87, 91, 93, 94, 95, 106, 111, 115, 118, 119, 121, 122, 123, 129, 133, 134, 141, 142, 143, 145, 146, ...

[ "nonn", "less" ]

A301572

[ 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 2, 3, 2, 1, 0, 0, 0, 1, 0, 0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, ...

[ "nonn", "base", "look" ]

A094863

[ 1, 2, 3, 4, 7, 10, 19, 28 ]

[ "nonn", "more", "nice", "hard" ]

A256145

[ 2, 17, 41, 257, 313, 1297, 1201, 241, 193, 73, 137, 7321, 89, 233, 14281, 937, 1489, 65537, 41761, 113, 929, 3833, 160001, 97241, 3209, 139921, 331777, 11489, 26881, 6481, 614657, 353641, 3361, 409, 1129, 61681, 97, 6113, 1336337, 750313,...

[ "nonn" ]

A018435

[ 1, 2, 4, 101, 202, 404 ]

[ "nonn", "fini", "full", "easy" ]

A112851

[ 0, 0, 3, 21, 81, 231, 546, 1134, 2142, 3762, 6237, 9867, 15015, 22113, 31668, 44268, 60588, 81396, 107559, 140049, 179949, 228459, 286902, 356730, 439530, 537030, 651105, 783783, 937251, 1113861, 1316136, 1546776, 1808664, 2104872, 2438667, 28135...

[ "nonn", "easy" ]

A116907

[ 0, 15, 6, 2, 13, 1, 3, 6, 2, 1, 1, 5, 1, 1, 1, 9, 4, 1, 1, 1, 6, 7, 1, 2, 4, 1, 2, 2, 24, 1, 2, 4, 56, 1, 1, 2, 4, 1, 75, 1, 5, 1, 2, 2, 1, 137, 2, 2, 97, 3, 16, 1, 1, 1, 1, 3, 5, 12, 1, 1, 2, 1...

[ "cofr", "easy", "nonn", "less" ]

A114287

[ 0, 512, 4608, 18432, 38115, 70883, 134883, 245475, 402939, 578555, 840699, 1213947, 1725947, 2257388, 2938860, 3823596, 4948460, 6208172, 7613100, 9341100, 11294225, 13391377, 15851752, 18367208, 21353192, 24865000, 28961000 ]

[ "easy", "nonn" ]

A248855

[ 1, 1, 1, 1, 3556, 1, 34, 3, 4, 1, 2, 1, 11285, 5, 2, 124, 569, 1, 290, 3, 1, 165, 2, 1, 1, 2, 1, 316, 1, 2, 58957, 1, 3, 58617, 522, 2, 1, 1, 4, 1, 2, 1, 1, 2, 1, 7932, 4, 1, 5875, 1679, 4, 4, 3, 3, 1, 2, ...

[ "nonn" ]

A156033

[ 0, 1, 9, 6, 25, 15, 49, 7, 9, 5, 121, 11, 169, 91, 1, 1, 289, 17, 361, 19, 1, 11, 529, 23, 1, 13, 1, 1, 841, 29, 961, 31, 1, 17, 1, 1, 1369, 703, 1, 1, 1681, 41, 1849, 43, 1, 23, 2209, 47, 1, 1, 1, 1, 2809, 53,...

[ "nonn", "frac" ]

A092219

[ 0, 0, 4, 0, 0, 12, 16, 10, 0, 28, 22, 36, 40, 12, 14, 52, 0, 6, 26, 28, 72, 18, 0, 88, 96, 62, 0, 0, 108, 112, 0, 0, 42, 128, 146, 0, 156, 0, 0, 172, 0, 180, 0, 74, 196, 0, 0, 132, 0, 228, 232, 0, 210, 126, 2...

[ "nonn" ]

A316745

[ 344373768, 30233088000000, 5777633090469888, 198077054103584770, 97261323672455430000, 5.24288e+21, 3.246253105427251e+22, 9.693259832756085e+22, 2.052627611160278e+25, 1.9584598277756993e+26, 1.631774235698698e+27 ]

[ "nonn" ]

A117150

[ 4, 5, 7, 9, 13, 8, 11, 15, 21, 29, 41, 57, 81, 48, 67, 95, 56, 79, 111, 157, 92, 54, 32, 45, 63, 89, 125, 177, 104, 147, 207, 293, 172, 243, 343, 485, 685, 969, 568, 803, 1135, 1605, 2269, 3209, 1880, 2659, 1558, 2203, 3...

[ "nonn" ]

A202271

[ 1, 4, 8, 9, 16, 49, 81, 169 ]

[ "nonn", "base", "fini", "full" ]

A247035

[ 2, 14, 22, 58, 266, 398, 1042, 4774, 7142, 18698, 85666, 128158, 335522, 1537214, 2299702, 6020698, 27584186, 41266478, 108037042, 494978134, 740496902, 1938646058, 8882022226, 13287677758, 34787592002, 159381421934, 238437702742, 624238009978 ]

[ "nonn", "easy" ]

A231815

[ 30, 51319, 3882139, 289022911, 674910259, 991523479, 1893583519, 4550912389, 9761467669, 16721570539, 28685399311, 72886214809, 77372307511, 82720376839, 98685849571, 173850108931, 220038912319, 229352039821, 240313142749, 257401051861, 428178002569 ]

[ "nonn" ]

A172050

[ 0, 4, 8, 13, 20, 30, 46, 72, 116, 191, 320, 542, 924, 1580, 2704, 4625, 7900, 13470, 22922, 38928, 65980, 111619, 188488, 317758, 534840, 898900, 1508696, 2528917, 4233956, 7080606, 11828710, 19741272, 32916164, 54835655, 91276304 ]

[ "nonn" ]

A180635

[ 5, 31, 173, 891, 4373 ]

[ "hard", "more", "nonn" ]

A138790

[ 61, 946 ]

[ "nonn", "bref", "hard", "more", "base" ]

A310935

[ 1, 4, 7, 8, 12, 16, 22, 26, 28, 28, 33, 40, 44, 46, 45, 47, 55, 64, 66, 65, 63, 68, 79, 86, 86, 82, 82, 90, 103, 108, 105, 100, 103, 114, 125, 128, 122, 119, 125, 138, 147, 147, 140, 140, 149, 160, 167, 164, 159, 162 ]

[ "nonn" ]

A126396

[ 1, 9, 39, 175, 793, 3611, 16475, 75229, 343633, 1569883, 7172423, 32769925, 149723361, 684077955, 3125520983, 14280373781, 65246447425, 298108406323, 1362045450407, 6223131628517, 28433241805745, 129910355608771 ]

[ "nonn", "base" ]

A201055

[ 6, 16, 32, 116, 123, 132, 161, 213, 231, 312, 321, 611, 1116, 1132, 1161, 1312, 1611, 3112, 3211, 6111, 11116, 11123, 11132, 11231, 11312, 11611, 12131, 12311, 13112, 13211, 21113, 21131, 21311, 23111, 31112, 31211, 32111, 61111, 111116, ...

[ "nonn", "base" ]

A370218

[ 1, 3, 15, 93, 639, 4578, 33423, 246816, 1838367, 13788399, 104011140, 788315124, 5998380543, 45794787678, 350619595614, 2691082393818, 20699166876831, 159515321712480, 1231354153215123, 9519556856284218, 73694926944160160, 571201080979318460 ]

[ "nonn" ]

A101713

[ 0, 2, 6, 9, 39, 418, 448, 1736, 2244, 3130, 3812, 5344, 5658, 5680, 8409, 9096, 11292, 21060 ]

[ "nonn", "hard", "more" ]

A307454

[ 1, 3, 9, 33, 123, 513, 2077, 8759, 37184, 159508, 688446, 2993451, 13082724 ]

[ "nonn", "more" ]

A048094

[ 0, 0, 1, 2, 6, 13, 25, 45, 91, 175, 322, 570, 975, 1617, 2607, 7425, 12753, 21385, 35065, 56302, 88638, 136986, 208050, 310840, 1251606, 1973706, 3065931, 4694921, 7092211, 10575635, 15576535, 22674015, 32637675, 46480475 ]

[ "nonn" ]

A142731

[ 181, 653, 1361, 1597, 1951, 2069, 2423, 2659, 2777, 4547, 4783, 6199, 6317, 6553, 6907, 8087, 8677, 9739, 9857, 10093, 10211, 11273, 11863, 11981, 12689, 13043, 13397, 13633, 13751, 14341, 14813, 16111, 16229, 16937, 17291, 17881, 18353, 2012...

[ "nonn", "easy" ]

A102603

[ 21, 45, 69, 93, 117, 141, 165, 189, 213, 237, 261, 285, 309, 333, 357, 381, 405, 429, 453, 477, 501, 525, 549, 573, 597, 621, 645, 669, 693, 717, 741, 765, 789, 813, 837, 861, 885, 909, 933, 957, 981, 1005, 1029, 1053, 1077, 1...

[ "easy", "nonn" ]

A247940

[ 5, 5, 15, 5, 19, 30, 17, 19, 15, 13, 13, 24, 35, 236, 33, 34, 31, 90, 29, 23, 27, 25, 25, 84, 47, 80, 45, 190, 43, 54, 41, 35, 39, 1216, 37, 72, 59, 212, 57, 43, 55, 66, 53, 86, 51, 76, 49, 60, 71, 53, 69, 55, 67...

[ "nonn" ]

A374455

[ 1, 5, 35, 235, 1580, 10626, 71460, 480570, 3231845, 21734235, 146163251, 982951365, 6610371480, 44454906580, 298960311840, 2010515259876, 13520763292345, 90927457083265, 611489327404315, 4112280377388895, 27655184063541876, 185981775414350140, 1250731895575163400 ]

[ "nonn", "easy" ]

A014383

[ 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, 0, 0, 0, 0, 0, 0, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...

[ "sign" ]

A152462

[ 1, 1, -1, 2, -1, 1, 3, -2, 1, -1, 5, -3, 3, -1, -1, 8, -5, 5, -4, -1, 7, 13, -8, 9, -7, 4, 7, -27, 21, -13, 15, -13, 9, -1, -27, 83, 34, -21, 25, -22, 19, -9, -14, 83, -239, 55, -34, 41, -37, 34, -25, -1, 62, -...

[ "tabl", "uned", "obsc", "less", "sign" ]

A252508

[ 1515, 1644, 3980, 9277, 25197, 76113, 231372, 698936, 2121821, 6483996, 19881260, 61024374, 187473423, 576442523, 1773336035, 5457204006, 16797726720, 51712080105, 159214729408, 490238324306, 1509560349792, 4648472850677 ]

[ "nonn" ]

A220753

[ 1, 4, 8, 11, 22, 25, 50, 53, 106, 109, 218, 221, 442, 445, 890, 893, 1786, 1789, 3578, 3581, 7162, 7165, 14330, 14333, 28666, 28669, 57338, 57341, 114682, 114685, 229370, 229373, 458746, 458749, 917498, 917501, 1835002, 1835005, 3670010, ...

[ "nonn", "easy" ]

A357464

[ 5, 9, 8, 1, 9, 3, 4, 9, 8, 1, 1, 0, 8, 5, 5, 3, 3, 0, 4, 2, 7, 8, 3, 7, 9, 0, 6, 2, 1, 0, 0, 4, 9, 4, 4, 6, 7, 3, 3, 9, 8, 4, 2, 4, 7, 1, 5, 0, 5, 6, 1, 0, 6, 8, 0, 3, 2, 3, 5, 9, 8, 9, 0, 5...

[ "nonn", "cons", "easy" ]

A000612

[ 1, 2, 6, 40, 1992, 18666624, 12813206169137152, 3.375817148659299e+34, 1.4359138050262425e+72 ]

[ "nonn", "easy", "nice", "core" ]

A257095

[ 1, 6, 0, 8, 3, 5, 9, 4, 2, 1, 9, 8, 5, 5, 4, 5, 6, 5, 9, 2, 3, 1, 9, 4, 1, 5, 2, 3, 1, 6, 3, 7, 9, 3, 8, 1, 6, 4, 9, 2, 2, 5, 1, 5, 1, 3, 1, 4, 1, 8, 4, 2, 6, 7, 7, 2, 3, 9, 5, 3, 1, 1, 0, 6...

[ "nonn", "cons", "easy" ]

A026066

[ 105, 168, 246, 340, 451, 580, 728, 896, 1085, 1296, 1530, 1788, 2071, 2380, 2716, 3080, 3473, 3896, 4350, 4836, 5355, 5908, 6496, 7120, 7781, 8480, 9218, 9996, 10815, 11676, 12580, 13528, 14521, 15560, 16646, 17780, 18963, 20196, 21480, 2...

[ "nonn", "easy" ]

A288840

[ 1, 984, 574488, 307081056, 164453203992, 88062998451984, 47157008244215900, 25252184242734326000, 1.3522333949728177e+22, 7.241096993206804e+24, 3.8775470167098334e+27, 2.0763940713530123e+30 ]

[ "nonn" ]

A083979

[ 181, 18181, 78887, 1880881, 9888889, 188868881, 188888881, 18888588881, 1488888888841, 7888886888887, 3888888888883, 188888858888881, 188888888888881, 38888888088888880, 1688888888888888800, 3888888882888889000, 128888888888888890000 ]

[ "base", "nonn" ]

A386248

[ 1, 2, 4, 8, 3, 16, 32, 6, 64, 128, 12, 256, 512, 24, 3, 1024, 2048, 48, 4096, 8192, 96, 16384, 32768, 192, 6, 65536, 131072, 384, 262144, 524288, 768, 1048576, 2097152, 1536, 12, 4194304, 3, 8388608, 3072, 3, 16777216, 33554432, 614...

[ "nonn", "base" ]

A347025

[ 0, 1, 2, 4, 7, 13, 24 ]

[ "nonn", "hard", "more" ]

A131905

[ 7, 26, 35, 47, 77, 91, 119, 130, 133, 141, 157, 161, 175, 182, 203, 215, 217, 249, 259, 282, 286, 287, 301, 329, 371, 385, 413, 423, 427, 434, 442, 455, 469, 471, 494, 497, 511, 517, 553, 581, 595, 598, 611, 623, 650, 651, 6...

[ "easy", "nonn" ]

A129156

[ 0, 1, 3, 10, 36, 136, 532, 2139, 8796, 36859, 156946, 677514, 2959669, 13063493, 58184838, 261230814, 1181144792, 5374078726, 24588562675, 113067256235, 522270436044, 2422244159067, 11275548912967, 52663412854571 ]

[ "nonn" ]

A188678

[ 1, 0, 3, 9, 46, 227, 1201, 6551, 36712, 209963, 1220752, 7193888, 42873220, 257957352, 1564809168, 9559946496, 58768808463, 363261736872, 2256369305793, 14076552984507, 88163556913188, 554148894304557, 3494365949734563 ]

[ "nonn", "easy" ]

A308909

[ 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 6, 8, 14, 15, 23, 28, 39, 43, 62, 70, 98, 115, 152, 175, 227, 253, 319, 356, 441, 485, 599, 656, 793, 864, 1026, 1121, 1344, 1453, 1709, 1865, 2184, 2357, 2747, 2964, 3449, 3719, 4289, 4618, ...

[ "nonn" ]

A302812

[ 32, 2048, 36456, 773520, 15904814, 327603711, 6769884156, 139698154211, 2883341313830, 59516238963785, 1228442020230904, 25355878798281360, 523363128022737540, 10802567596406245000, 222972375306077500000 ]

[ "nonn" ]

A139567

[ 8, 512, 33554432, 137438953472, 2.658455991569832e+36 ]

[ "nonn" ]

A306643

[ 123, 234, 345, 456, 8910, 101112, 230231232 ]

[ "nonn", "base", "more" ]

A240712

[ 0, 0, 0, 0, 1, 1, 1, 1, 2, 1, 2, 3, 2, 2, 3, 1, 3, 4, 2, 2, 4, 2, 3, 5, 3, 3, 5, 2, 4, 6, 2, 4, 6, 2, 4, 6, 4, 4, 7, 4, 4, 8, 4, 4, 9, 3, 5, 7, 3, 5, 8, 4, 5, 8, 5, 6, 10, 5, 6, 12, 4, 5, 10, ...

[ "nonn", "easy" ]

A058858

[ 1, 2, 8, 18, 42, 66, 69, 84, 1138, 1935, 3828, 9464, 130936, 150910, 261132, 1406536, 2877311, 5118856, 5497690, 5872385, 6009938, 6777062 ]

[ "nonn" ]

A360531

[ 2, 4, 5, 7, 9, 10, 12, 15, 17, 18, 20, 25, 28, 30, 31, 33, 41, 46, 49, 51, 52, 54, 67, 75, 80, 83, 85, 86, 88, 109, 122, 130, 135, 138, 140, 141, 143, 177, 198, 211, 219, 224, 227, 229, 230, 232, 287, 321, 342, 355, ...

[ "nonn" ]

A143762

[ 1, 3, 19, 427, 184053, 33876427099, 1.14761231319712e+21, 1.3170140214016449e+42, 1.7345259325685324e+84 ]

[ "nonn" ]

A346466

[ 1, 1, 2, 1, 4, 1, 6, 1, 2, 1, 10, 1, 12, 1, 2, 1, 16, 1, 18, 1, 2, 1, 22, 1, 4, 1, 2, 1, 28, 1, 30, 1, 2, 1, 1, 1, 36, 1, 2, 1, 40, 1, 42, 1, 4, 1, 46, 1, 6, 1, 2, 1, 52, 1, 1, 1, 2, 1, 58, 1, 60,...

[ "nonn" ]

A251696

[ 1, 5, 324, 44928, 9716112, 2870090496, 1077194894400, 490873123897344, 263285585800098050, 162505400851637000000, 1.1346391625363656e+23, 8.842366487628508e+25, 7.608682023130999e+28, 7.165152126831191e+31, 7.329807104989991e+34 ]

[ "nonn" ]

A249068

[ 0, 1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 7, 1, 8, 2, 2, 3, 2, 4, 2, 5, 2, 6, 2, 7, 2, 8, 3, 3, 4, 3, 5, 3, 6, 3, 7, 3, 8, 4, 4, 5, 4, 6, 4, 7, 4, 8, 5, 5, 6, 5, 7, 5, 8, 6, 6, 7, 6, 8, 7, 7, 8...

[ "nonn", "base" ]

A363766

[ 1, 9, 7, 3, 2, 6, 9, 8, 0, 4, 5, 9, 3, 0, 2, 4, 6, 5, 8, 9, 0, 8, 9, 4, 4, 0, 8, 1, 8, 6, 7, 2, 1, 1, 0, 3, 7, 2, 7, 2, 7, 2, 7, 0, 3, 5, 5, 6, 3, 1, 6, 4, 0, 0, 5, 9, 6, 2, 6, 7, 4, 3, 3, 9...

[ "cons", "nonn", "easy" ]

A360168

[ 1, 2, 6, 21, 78, 297, 1145, 4447, 17358, 68001, 267141, 1051767, 4148281, 16385111, 64797543, 256515731, 1016368078, 4030114641, 15990813773, 63485616391, 252175202373, 1002136689071, 3984080489263, 15844839393411, 63036297959993, 250855287692647 ]

[ "nonn" ]

A338504

[ 0, 0, 1, 0, 2, 0, 3, 0, 0, 0, 4, 0, 5, 0, 0, 0, 6, 0, 7, 0, 0, 0, 8, 0, 1, 1, 0, 0, 9, 0, 10, 0, 1, 0, 1, 0, 11, 1, 0, 0, 12, 0, 13, 0, 0, 0, 14, 0, 1, 0, 1, 0, 15, 0, 1, 0, 0, 0, 16, 0, 17, 0, ...

[ "nonn" ]

A268020

[ 3, 29, 299, 2177, 10482, 41348 ]

[ "nonn", "more" ]

A128829

[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 20, 21, 23, 25, 26, 27, 28, 30, 31, 33, 36, 37, 38, 41, 42, 44, 46, 48, 49, 50, 53, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 72, 73, 75, 76, 77, 79, 81...

[ "nonn", "less", "easy" ]

A042347

[ 1, 2, 11, 24, 35, 59, 94, 153, 1930, 2083, 4013, 6096, 10109, 26314, 141679, 309672, 16244623, 32798918, 180239213, 393277344, 573516557, 966793901, 1540310458, 2507104359, 31625562766, 34132667125, 65758229891, 99890897016, 165649126907, 431189150830 ]

[ "nonn", "frac", "easy" ]

A135409

[ 0, 244, 939, 38842, 399158, 3185054, 8997888, 89003533, 380705305, 0, 120958456566, 909738914355, 10691161155707, 215413743487843, 1146359095715014, 11741086634604568, 186260344930883650, 586697640742218000, 22434377949474656000, 86030233471862780000 ]

[ "nonn", "base" ]

A357508

[ -1, -2, 14, 484, 9230, 153748, 2434964, 37748520, 580043790, 8886848740, 136151207764, 2088760285456, 32108266614164, 494648505828904, 7637081136832840, 118158193386475980, 1831647087068431400, 28444051172077724000, 442429676097305640000 ]

[ "sign", "easy" ]

A018133

[ 1, 1, 2, 3, 5, 7, 10, 15, 22, 33, 49, 72, 107, 157, 232, 343, 506, 747, 1102, 1627, 2401, 3543, 5229, 7717, 11389, 16807, 24803, 36604, 54019, 79720, 117649, 173623, 256229, 378135, 558042, 823543 ]

[ "nonn" ]

A239120

[ 1, 0, 7, 3, 0, 0, 9, 1, 8, 3, 0, 1, 2, 7, 5, 8, 4, 5, 1, 9, 2, 1, 6, 9, 5, 7, 7, 0, 9, 0, 0, 6, 2, 1, 3, 9, 4, 7, 5, 3, 5, 3, 8, 2, 5, 0, 7, 8, 1, 1, 1, 7, 7, 2, 3, 7, 8, 1, 3, 1, 9, 2, 5, 9...

[ "nonn", "cons" ]

A198420

[ 1, 6, 1, 7, 5, 4, 5, 2, 8, 6, 0, 6, 2, 2, 5, 4, 7, 5, 3, 0, 2, 7, 4, 2, 8, 8, 1, 3, 8, 2, 0, 5, 2, 5, 2, 8, 0, 1, 7, 6, 9, 9, 4, 7, 6, 1, 9, 0, 7, 9, 5, 9, 6, 1, 2, 7, 9, 9, 7, 8, 3, 0, 3, 8...

[ "nonn", "cons" ]

A365342

[ 2, 5, 10, 82, 284, 680, 1322, 68104, 149795, 213895, 1023127, 3775307, 25396927, 36254395, 53343289, 68677522, 266888359, 366901277, 558829814, 1576699732, 8527370677, 11616255230, 16948492520, 167299409017, 222801579737, 2001199132825, 5024272986979, 7880897129...

[ "nonn" ]

A305127

[ 1, 1, 5, 23, 179, 1279, 13699, 135085, 1764377, 22527521, 344625461, 5283739471, 94562354875, 1685808248383, 33947023942259, 694786150879829, 15613612524749488, 357353282848083260, 8880505496901812000, 224851013929747740000, 6.106205671049245e+21, 1.6952351538117378e+23 ]

[ "nonn" ]

A283965

[ 1, 3, 5, 6, 8, 10, 11, 13, 15, 17, 19, 20, 22, 24, 25, 27, 29, 31, 33, 34, 36, 38, 39, 41, 43, 44, 46, 48, 49, 51, 53, 55, 57, 58, 60, 62, 63, 65, 67, 69, 71, 72, 74, 76, 77, 79, 81, 82, 84, 86, 87, 89, 91, 93,...

[ "nonn", "easy" ]

A019114

[ 0, 0, 5, 1, 2, 32, 39, 85, 333, 595, 1284, 3951, 9281, 22166, 60247, 152990, 381931, 999142, 2613381, 6784949, 17834632, 47199686, 124739534, 330693220, 881375746, 2352511702, 6288618559, 16865035451 ]

[ "nonn", "more" ]

A170528

[ 1, 39, 1482, 56316, 2140008, 81320304, 3090171552, 117426518976, 4462207721088, 169563893401344, 6443427949251072, 244850262071540740, 9304309958718548000, 353563778431304800000, 1.3435423580389584e+22 ]

[ "nonn" ]