id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A201923
[ 1, 1, 5, 44, 581, 10256, 227529, 6088256, 190930729, 6870227200, 279066777613, 12632667642880, 630670054092525, 34426087332253696, 2039903110075609000, 130404672744539240000, 8.94611746648996e+21, 6.555850000754945e+23, 5.1111210765059415e+25 ]
[ "nonn" ]
A057292
[ 1, 2, 3, 9, 11, 22, 27, 33, 46, 81, 99, 121, 209, 242, 243, 297, 363, 729, 891, 1058, 1089, 1179, 1331, 1702, 2187, 2662, 2673, 3082, 3267, 3993, 6561, 8019, 9801, 11979, 14641, 19683, 20673, 24057, 24334, 25029, 29282, 29403, 30591...
[ "nonn" ]
A026401
[ 1, 2, 3, 5, 7, 8, 11, 15, 16, 21, 24, 29, 30, 37, 45, 49, 50, 59, 64, 74, 76, 87, 99, 100, 110, 117, 128, 130, 133, 157, 176, 183, 184, 201, 206, 208, 213, 231, 232, 233, 302, 304, 339, 341, 342, 369, 378, 379, 380, 40...
[ "nonn" ]
A036954
[ 2, 4, 10, 22, 34, 46, 58, 67, 79, 94, 103, 139, 145, 157, 166, 169, 172, 181, 190, 193, 199, 205, 211, 214, 229, 277, 283, 295, 298, 307, 313, 349, 367, 373, 391, 394, 409, 421, 433, 439, 463, 466, 478, 505, 517, 523, 529, ...
[ "nonn", "base" ]
A028907
[ 0, 1, 4, 9, 16, 25, 36, 49, 46, 18, 1, 112, 144, 169, 169, 225, 256, 289, 234, 136, 4, 144, 448, 259, 567, 256, 667, 279, 478, 148, 9, 169, 124, 189, 1156, 1225, 1269, 1369, 1444, 1125, 16, 1168, 1467, 1489, 1369, 225, 1126,...
[ "nonn", "base" ]
A312660
[ 1, 4, 8, 14, 20, 24, 29, 32, 35, 41, 45, 48, 54, 61, 67, 73, 75, 77, 82, 84, 88, 96, 102, 107, 114, 117, 120, 126, 126, 128, 136, 143, 149, 155, 156, 160, 169, 169, 171, 179, 184, 189, 196, 197, 200, 209, 209, 213, 223, ...
[ "nonn" ]
A038603
[ 2, 3, 5, 7, 23, 29, 37, 43, 47, 53, 59, 67, 73, 79, 83, 89, 97, 223, 227, 229, 233, 239, 257, 263, 269, 277, 283, 293, 307, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 409, 433, 439, 443, 449, 457, 463, 467, 4...
[ "nonn", "easy", "base" ]
A266367
[ 1, 4, 10, 24, 54, 116, 250, 536, 1142, 2436, 5194, 11064, 23574, 50228, 107002, 227960, 485654, 1034628, 2204170, 4695768, 10003830, 21312116, 45403258, 96726872, 206066486, 439003140, 935250250, 1992452856, 4244712534, 9042916148, 19264987258, 410420410...
[ "nonn", "easy" ]
A204059
[ 1, -1, 6, -17, 30, -48, 170, -645, 1183, -1270, 5742, -22604, 33462, -40868, 240756, -746637, 1136690, -1884529, 6625110, -23217030, 46565244, -46627416, 225058682, -975425316, 1356970471, -1583502622, 9182205852, -26257649200, 44560482150, -77433044928 ]
[ "sign" ]
A220828
[ 4, 10, 20, 55, 220, 1040, 5480, 31420, 190360, 1202930, 7848720, 52543935, 359182620, 2498614620, 17640615900, 126142316865, 912047139460, 6658803466730, 49035674140240, 363881247076930, 2718918248334300, 20442286928323170, 154564065790535680, 1174669811887063800 ]
[ "nonn" ]
A224041
[ 32, 144, 298, 488, 734, 1064, 1505, 2091, 2864, 3875, 5185, 6866, 9002, 11690, 15041, 19181, 24252, 30413, 37841, 46732, 57302, 69788, 84449, 101567, 121448, 144423, 170849, 201110, 235618, 274814, 319169, 369185, 425396, 488369, 558705, 637040 ]
[ "nonn" ]
A084391
[ 1, 2, 3, 4, 6, 18, 12, 24, 36, 108, 72, 144, 216, 648, 432, 864, 1296, 3888, 2592, 5184, 7776, 23328, 15552, 31104, 46656, 139968, 93312, 186624, 279936, 839808, 559872, 1119744, 1679616, 5038848, 3359232, 6718464, 10077696, 30233088 ]
[ "nonn" ]
A231721
[ 1, 2, 4, 8, 24, 56, 248, 1016, 5624, 24056, 208376, 945656, 9793016, 62877176, 487550456, 3884936696, 58243116536, 384392195576, 6255075618296, 53220543000056, 616806151581176, 6252662237392376, 130241496125238780, 1122152167228010000, 20960365589283434000 ]
[ "nonn" ]
A170368
[ 1, 23, 506, 11132, 244904, 5387888, 118533536, 2607737792, 57370231424, 1262145091328, 27767192009216, 610878224202752, 13439320932460544, 295665060514132000, 6504631331310903000, 143101889288839870000 ]
[ "nonn" ]
A014155
[ 0, 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 14, 15, 16, 18, 21, 22, 23, 27, 28, 29, 30, 33, 36, 37, 42, 44, 45, 46, 48, 53, 55, 56, 63, 64, 65, 66, 67, 70, 72, 74, 78, 79, 82, 85, 86, 91, 92, 93, 99, 100, 105, 106, 109,...
[ "nonn" ]
A047704
[ 5, 12, 19, 26, 31, 33, 38, 40, 45, 52, 57, 59, 68, 71, 75, 78, 83, 90, 94, 96, 97, 101, 109, 115, 116, 120, 131, 138, 143, 146, 150, 157, 162, 164, 169, 171, 172, 176, 181, 183, 188, 194, 195, 199, 201, 207, 208, 209, 21...
[ "nonn" ]
A324613
[ 1, 416, 8029248, 2188617320448, 9219890831036553000, 6.1895199787335336e+26, 6.646125122890534e+35, 1.1417979606286993e+46, 3.138550827867416e+57, 1.380349268062519e+70, 9.713344460461661e+83 ]
[ "nonn" ]
A099690
[ 1, 2, 6008, 463376006 ]
[ "nonn" ]
A198060
[ 1, 1, 2, 1, 3, 4, 1, 4, 10, 8, 1, 5, 22, 35, 16, 1, 6, 46, 134, 126, 32, 1, 7, 94, 485, 866, 462, 64, 1, 8, 190, 1700, 5626, 5812, 1716, 128, 1, 9, 382, 5831, 35466, 69062, 40048, 6435, 256, 1, 10, 766, 19682, 219626, ...
[ "nonn", "tabl", "changed" ]
A139754
[ 1, 5, 14, 32, 65, 124, 225, 394, 673, 1133, 1880, 3089, 5034, 8146, 13106, 20986, 33464, 53168, 84201, 132970, 209449, 329156, 516200, 807989, 1262508, 1969539, 3067962, 4772414, 7414316, 11505003 ]
[ "easy", "nonn" ]
A031331
[ 25, 43, 45, 51, 59, 63, 65, 80, 105, 107, 135, 159, 161, 168, 179, 188, 195, 227, 250, 253, 268, 270, 278, 301, 309, 311, 326, 344, 351, 353, 360, 369, 375, 403, 418, 433, 448, 450, 457, 493, 504, 505, 511, 535, 559, 563, 58...
[ "nonn" ]
A167102
[ 1, 49, 2352, 112896, 5419008, 260112384, 12485394432, 599298932736, 28766348771328, 1380784741023744, 66277667569139710, 3181328043318706000, 152703746079297900000, 7.329779811806299e+21, 3.5182943096670235e+23 ]
[ "nonn" ]
A238569
[ 1, 1, 2, 3, 7, 11, 19, 28, 53, 83, 140, 201, 332, 486, 775, 1207, 1716, 2498, 3870, 5623, 8020, 11276, 17168, 23323, 34746, 46141, 64879, 90467, 127971, 176201, 242869, 333508, 456683, 606403, 844818, 1125922, 1496466, 2005446, 2737912, 3...
[ "nonn" ]
A073796
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, -9, -8, -7, -6, -5, -4, -3, -2, -1, -18, -17, -16, -15, -14, -13, -12, -11, -10, -27, -26, -25, -24, -23, -22, -21, -20, -19, -36, -35, -34, -33, -32, -31, -30, -29, -28, -45, -44, -43, -42, ...
[ "base", "easy", "sign" ]
A209272
[ 1, 1, 1, 1, 4, 2, 4, 2, 3, 1, 4, 3, 4, 1, 1, 4, 2, 1, 3, 1, 4, 2, 1, 2, 1, 4, 4, 2, 1, 2, 4, 1, 1, 3, 1, 1, 3, 1, 1, 3, 1, 1, 3, 1, 1, 4, 2, 4, 2, 3, 4, 1, 2, 4, 1, 1, 3, 1, 1, 3, 1, 1, 4, 3...
[ "nonn" ]
A084316
[ 1, 3, 20, 11, 24, 5, 6, 39, 98, 29, 120, 23, 64, 13, 104, 15, 1716, 323, 284, 499, 62, 1099, 1264, 215, 1274, 51, 512, 447, 1768, 209, 1332, 31, 32, 373, 34, 1475, 258, 835, 2300, 519, 5780, 419, 5374, 1275, 6974, 1655, 6626...
[ "nonn" ]
A303279
[ 0, 1, 3, 7, 12, 19, 27, 38, 51, 66, 82, 101, 121, 143, 167, 195, 224, 256, 289, 325, 363, 403, 444, 489, 536, 585, 637, 692, 748, 807, 867, 932, 999, 1068, 1139, 1214, 1290, 1368, 1448, 1532, 1617, 1705, 1794, 1886, 1981, 2078...
[ "nonn" ]
A061258
[ 1, 3, 7, 11, 21, 21, 43, 27, 61, 63, 111, 53, 157, 129, 87, 91, 273, 183, 343, 151, 175, 333, 507, 117, 521, 471, 547, 305, 813, 261, 931, 347, 447, 819, 483, 431, 1333, 1029, 631, 327, 1641, 525, 1807, 781, 681, 1521, 2163,...
[ "easy", "nonn" ]
A280584
[ 1, 2, 3, 4, 6, 10, 11, 24, 53, 83, 97, 156, 157, 162, 182, 233, 355, 499, 629, 1252, 6378, 8366, 26406, 35345, 107694, 126784, 195234, 255805 ]
[ "nonn", "more", "hard" ]
A300719
[ 0, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 4, 1, 3, 1, 2, 1, 1, 1, 4, 1, 1, 3, 2, 1, 1, 1, 8, 1, 1, 1, 4, 1, 1, 1, 4, 1, 1, 1, 2, 3, 1, 1, 8, 1, 5, 1, 2, 1, 9, 1, 4, 1, 1, 1, 2, 1, 1, 3, 1...
[ "nonn" ]
A031161
[ 1, 3, 7, 9, 33, 99, 111, 141, 151, 171, 303, 393, 535, 717, 727, 777, 787, 979, 1441, 1771, 3003, 3223, 3663, 5335, 7447, 9009, 9339, 9999, 10501, 11011, 11811, 11911, 12121, 12321, 12621, 13531, 13831, 14041, 14541, 14841, 17671, 181...
[ "nonn", "base" ]
A221092
[ 0, 1024, 379080, 461433361, 359601021696, 310569670802169, 256493177634603970, 214463135484783360000, 1.7817268840695735e+23, 1.4829629704875872e+26, 1.2330170517075873e+29 ]
[ "nonn" ]
A227902
[ 1, 2, 4, 6, 15, 20, 24, 28, 40, 42, 45, 66, 72, 77, 88, 91, 104, 110, 126, 140, 153, 156, 170, 187, 190, 204, 209, 210, 220, 228, 231, 238, 240, 266, 276, 299, 304, 308, 312, 315, 322, 325, 330, 345, 368, 378, 414, 420, ...
[ "nonn", "easy" ]
A035301
[ 1, 2, 4, 7, 12, 19, 29, 43, 62, 88, 122, 167, 225, 301, 396, 519, 672, 866, 1105, 1406, 1773, 2230, 2785, 3469, 4295, 5307, 6521, 7998, 9765, 11899, 14442, 17499, 21126, 25464, 30597, 36706, 43911, 52454 ]
[ "nonn" ]
A091857
[ 1, 2, 4, 3, 6, 5, 10, 7, 14, 9, 12, 11, 22, 13, 26, 15, 18, 17, 34, 19, 38, 21, 24, 23, 46, 25, 20, 27, 30, 29, 58, 31, 62, 33, 36, 35, 28, 37, 74, 39, 42, 41, 82, 43, 86, 45, 40, 47, 94, 49, 56, 51, 48, 53, ...
[ "easy", "nonn" ]
A119779
[ 2, 311, 38873, 3681131, 310248241, 24563311309, 1870358526653, 138666449011757, 10082409897709156, 722285281729443800, 51140670371058100000, 3.586789210729461e+21, 2.4959808680196183e+23, 1.7254990129969542e+25 ]
[ "nonn", "more" ]
A116603
[ 1, 2, -1, 4, -21, 138, -1091, 10088, -106918, 1279220, -17070418, 251560472, -4059954946, 71250808916, -1351381762990, 27552372478592, -601021307680207, 13969016314470386, -344653640328891260, 8997206549370634000, -247772400254700950000, 7.178881153198162e+21 ]
[ "sign" ]
A089445
[ 2255507, 2255549, 2255551, 2255567, 2255569, 2255573, 2255581 ]
[ "fini", "full", "nonn" ]
A163570
[ 5, 7, 17, 37, 113, 137, 157, 173, 223, 227, 337, 487, 503, 617, 743, 797, 857, 863, 877, 947, 1103, 1217, 1277, 1453, 1483, 1663, 1693, 1747, 1933, 2557, 2683, 2833, 2837, 2843, 3067, 3167, 3373, 3457, 3583, 3593, 3823, 4013, 4483, ...
[ "nonn", "easy" ]
A231968
[ 2530, 59455, 4112125651, 66487065301, 1069364586601, 4313828719351, 146264252084551, 252626415665851, 3398860950259501, 10045301361318900, 110736954977078260 ]
[ "nonn" ]
A322473
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 17, 28, 41, 56, 144, 240, 344, 456, 576, 712, 856, 1008, 1168, 1336, 1625, 2069, 2708, 3588, 4761, 7705, 12796, 20588, 31689, 46761, 73081, 111213, 162897, 229969, 314361, 421416...
[ "nonn" ]
A040764
[ 28, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 56, 6, 4, 6, 5...
[ "nonn", "cofr", "easy" ]
A101999
[ 2879, 858239, 1014719, 2029439, 2034239, 4068479, 4737599, 5454719, 9717119, 12968639, 17107199, 17962559, 25579199, 25945919, 29135999, 29859839, 30602879, 30735359, 32725439, 34214399, 34526399, 35925119, 36449279 ]
[ "easy", "nonn" ]
A343036
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 154, 1629, 1630, 9014, 33504, 98062, 243287, 531870, 531871, 1063844, 1063845, 1063846, 3484080, 5810556, 5810557, 9305178, 9305179, 9305180, 14376561, 45251346, 63197812, 63197813, 63197814, 87055977, 87055978, 157169049...
[ "nonn", "base" ]
A235395
[ 2, 3, 5, 7, 41, 47, 67, 131, 151, 241, 331, 337, 461, 557, 601, 641, 661, 751, 757, 827, 887, 1031, 1181, 1217, 1231, 1321, 1327, 1367, 1471, 1637, 1877, 2027, 2081, 2111, 2131, 2207, 2281, 2287, 2351, 2357, 2647, 2731, 2861, 3037...
[ "base", "easy", "nonn" ]
A309799
[ 1, 2, 13, 147, 2162, 40498, 948618 ]
[ "nonn", "more", "hard" ]
A382020
[ 1, 6, 6, 6, 6, 6, 6, 6, 6, 7, 0, 4, 2, 6, 8, 8, 7, 8, 2, 3, 6, 6, 2, 3, 4, 7, 0, 0, 4, 3, 3, 2, 5, 8, 0, 4, 4, 9, 3, 6, 4, 9, 5, 7, 7, 5, 8, 9, 7, 0, 2, 0, 7, 0, 7, 8, 7, 1, 2, 8, 4, 1, 5, 7...
[ "nonn", "cons", "easy" ]
A381144
[ 1, 1, 3, 13, 65, 221, -2933, -120903, -3104127, -71637191, -1562635789, -31373685947, -505087300991, -1692007785259, 402032879446395, 28152810613025520, 1423083552938781700, 62552808878706975000, 2.4591488296548135e+21, 8.269288051608616e+22 ]
[ "sign" ]
A263662
[ 1, 2, 4, 10, 32, 95, 208, 486, 1064, 2560, 6000, 14636, 33680, 81608, 187488, 454456, 1046368, 2537664, 5840768, 14162704, 32593088, 79031008, 181889408, 441050016, 1015068544, 2461353728, 5664729088, 13735909824, 31612832000, 76655260288 ]
[ "nonn" ]
A351586
[ 5, 49, 425, 3137, 22985, 172081, 1284953, 9579841, 71450345, 532960209, 3975244025, 29650441313, 221157005321, 1649567697393, 12303803776025, 91771679496321, 684507131648297, 5105605684127761, 38081720625979190, 284044154060630180, 2118630149395512800, 15802450588258380000 ...
[ "nonn", "easy" ]
A286751
[ 1, 2, 5, 6, 7, 10, 11, 14, 15, 16, 19, 20, 21, 24, 25, 28, 29, 30, 33, 34, 37, 38, 39, 42, 43, 44, 47, 48, 51, 52, 53, 56, 57, 58, 61, 62, 65, 66, 67, 70, 71, 74, 75, 76, 79, 80, 81, 84, 85, 88, 89, 90, 93, 94,...
[ "nonn", "easy" ]
A307008
[ 31, 367, 991, 1087, 1471, 3259, 3559, 5851, 6661, 6841, 8719, 9661, 10723, 11953, 13513, 18181, 20341, 21529, 22651, 23563, 25057, 31189, 39451, 70207, 72727, 75937, 81931, 85843, 87931, 92569, 93169, 108643, 131071, 136483, 143797, 149503, 150...
[ "nonn" ]
A365266
[ 1, 120, 4790016000, 1.7037484715786895e+24, 4.4045334006101977e+46, 3.894383602167233e+77 ]
[ "nonn" ]
A204746
[ 40, 46, 22, 32, 48, 74, 116, 184, 294, 472, 760, 1226, 1980, 3200, 5174, 8368, 13536, 21898, 35428, 57320, 92742, 150056, 242792, 392842 ]
[ "nonn" ]
A045021
[ 69, 81, 84, 278, 279, 281, 285, 293, 309, 326, 327, 329, 333, 338, 339, 344, 348, 353, 356, 369, 372, 389, 401, 404, 453, 465, 468, 533, 581, 593, 596, 789, 837, 849, 852, 1114, 1115, 1118, 1119, 1126, 1127, 1129, 1133, 1142 ]
[ "nonn", "base" ]
A156106
[ 1, 3, 15, 99, 783, 6987, 67671, 694035, 7418943, 81800091, 923720679, 10630297827, 124224709455, 1470172954347, 17585028636279, 212248303720371, 2581823992868703 ]
[ "easy", "nonn" ]
A319274
[ 132, 264, 396, 8991, 10545, 35964, 255530, 1559844, 9299907, 47755078, 89599104, 167264994, 283797162, 473995260, 3929996070, 6379993620, 10009998999, 11111111110, 22222222220, 33333333330, 44444444440, 55555555550, 66666666660, 77777777770, 88888888880, 99999999990...
[ "base", "nonn" ]
A339566
[ 5, 137, 3967, 25087, 242899421 ]
[ "nonn", "more" ]
A190721
[ 3, 5, 6, 10, 13, 14, 17, 21, 23, 24, 28, 31, 32, 35, 39, 42, 43, 46, 50, 52, 53, 57, 60, 61, 64, 68, 70, 71, 75, 78, 79, 82, 86, 89, 90, 93, 97, 99, 100, 104, 107, 108, 111, 115, 118, 119, 122, 126, 128, 129, 133, ...
[ "nonn", "base" ]
A212658
[ 1, 2, 4, 8, 17, 37, 86, 199, 475, 1138, 2769, 6748, 16613, 40904, 101317, 251401, 624958, 1555940, 3882708, 9701790, 24276866, 60817940, 152508653, 382828565, 961859364, 2418662434, 6086480305, 15327208770, 38622901484, 97384378728, 245686368946, 6201586...
[ "nonn" ]
A178688
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 9, 13, 27, 161, 442, 1153, 3002, 7902 ]
[ "nonn" ]
A042234
[ 25, 51, 76, 279, 355, 5959, 48027, 102013, 150040, 252053, 1410305, 35509678, 178958695, 214468373, 393427068, 1001322509, 8404007140, 135465436749, 143869443889, 567073768416, 710943212305, 1988960193026 ]
[ "nonn", "cofr", "frac", "easy" ]
A361623
[ 0, 40, 60, 12, 0, 484, 583, 160, 28, 8, 0, 2196, 2416, 804, 104, 28, 0, 5676, 6616, 2184, 460, 40, 8, 13456, 16936, 5236, 1340, 104, 12, 4, 27512, 35032, 11796, 2400, 320, 28, 0, 4, 0, 50688, 65044, 22536, 4632, 584, 60, 12, ...
[ "nonn", "tabf" ]
A195585
[ 2, 8, 26, 32, 62, 104, 114, 128, 242, 248, 266, 416, 366, 456, 806, 512, 614, 968, 762, 992, 1482, 1064, 1106, 1664, 1562, 1464, 2186, 1824, 1742, 3224, 1986, 2048, 3458, 2456, 3534, 3872, 2814, 3048, 4758, 3968, 3446, 5928, 3786, ...
[ "nonn" ]
A160233
[ 1280, 1600, 4800, 28672, 131072, 688128, 6881280, 7864320, 39321600, 43253760, 94371840, 201326592, 528482304, 9663676416, 115964116992, 241591910400, 265751101440, 347892350976, 811748818944, 3522410053632, 4174708211712, 21646635171840, 23811298689024, 27058293964800 ...
[ "nonn" ]
A388809
[ 6, 2, 6, 9, 4, 1, 7, 6, 8, 3, 5, 8, 5, 5, 4, 5, 8, 6, 6, 3, 2, 9, 1, 0, 8, 1, 7, 1, 4, 6, 4, 1, 5, 7, 0, 9, 1, 9, 5, 8, 6, 6, 5, 4, 7, 8, 8, 2, 0, 2, 8, 0, 4, 5, 5, 3, 8, 4, 2, 6, 7, 3, 4, 3...
[ "nonn", "cons" ]
A086321
[ 2, 7, 17, 37, 47, 97, 107, 227, 277, 577, 587, 647, 1367, 1657, 1667, 3457, 3467, 3517, 3527, 3877, 10007, 20747, 20807, 21107, 21157, 60037, 124477, 124847 ]
[ "fini", "full", "nonn" ]
A067153
[ 0, 0, 0, 9, 0, 22, 0, 39, 0, 105, 48, 136, 18, 190, 120, 462, 66, 644, 72, 875, 390, 1296, 952, 1595, 450, 1891, 1472, 3201, 2346, 3640, 2124, 4773, 2698, 5577, 4000, 7298, 3444, 7912, 6336, 10980, 6532, 10904, 7824, 14651, 1215...
[ "nonn" ]
A313821
[ 1, 5, 10, 16, 19, 26, 31, 36, 42, 46, 52, 52, 64, 65, 75, 75, 85, 85, 88, 101, 99, 114, 108, 125, 118, 124, 137, 134, 151, 144, 161, 154, 157, 176, 168, 188, 180, 197, 191, 190, 215, 201, 226, 214, 236, 224, 226, 251, 23...
[ "nonn" ]
A058745
[ 1, 0, 0, -1, 1, 0, 0, 0, 0, -1, 1, -1, 2, -2, 2, -1, 1, -2, 1, -1, 3, -2, 2, -4, 3, -2, 3, -4, 4, -4, 5, -6, 6, -7, 6, -4, 7, -8, 5, -8, 12, -11, 12, -14, 13, -12, 13, -14, 13, -14, 19, -21, 20, -24, 24, -2...
[ "sign" ]
A114975
[ 6, 10, 16, 24, 26, 48, 63 ]
[ "nonn", "more" ]
A314834
[ 1, 5, 9, 14, 18, 23, 26, 32, 37, 42, 47, 51, 54, 59, 64, 66, 73, 78, 84, 89, 93, 95, 100, 105, 106, 114, 119, 125, 131, 135, 136, 142, 146, 146, 155, 160, 166, 172, 177, 177, 184, 188, 186, 196, 201, 207, 213, 218, 218, ...
[ "nonn" ]
A188668
[ 0, 1, 0, 0, 1, -2, 4, -1, 0, 0, 0, 1, 3, -9, 9, -2, -21, 27, -9, 1, 0, 0, 0, 0, 1, -4, 16, -24, 16, -3, 92, -176, 120, -32, 3, -232, 256, -96, 16, -1, 0, 0, 0, 0, 0, 1, 5, -25, 50, -50, 25, -4, -315, 775, -75...
[ "sign", "look", "tabf" ]
A136854
[ 0, 1, 10, 100, 1000, 10000, 100000, 100501, 1000000, 1005010, 10000000, 10005001, 10050100, 100000000, 100050010, 100501000, 1000000000, 1000050001, 1000500100, 1005010000, 10000000000, 10000500010, 10005001000, 10050100000, 100000000000, 100000500001, 10000500010...
[ "base", "nonn" ]
A099918
[ 1, -1, 2, -2, 1, -1, 0, 1, -1, 2, -2, 1, -1, 0, 1, -1, 2, -2, 1, -1, 0, 1, -1, 2, -2, 1, -1, 0, 1, -1, 2, -2, 1, -1, 0, 1, -1, 2, -2, 1, -1, 0, 1, -1, 2, -2, 1, -1, 0, 1, -1, 2, -2, 1, -1, 0, 1, -1, 2...
[ "easy", "sign" ]
A304822
[ 1, 1, 2, 5, 1, 7, 1, 3, 5, 11, 1, 13, 7, 5, 1, 17, 1, 19, 5, 7, 11, 23, 1, 5, 13, 3, 1, 29, 5, 31, 1, 11, 17, 1, 1, 37, 19, 13, 1, 41, 1, 43, 11, 5, 23, 47, 1, 7, 1, 17, 13, 53, 1, 1, 1, 19, 29, 59, 1...
[ "nonn" ]
A304359
[ 0, 1, 1, 1, 1, 1, 0, 2, 1, -10, 39, -58, -166, 1611, -6311, 10083, 54195, -565257, 2727568, -6102368, -26464605, 394614352, -2515452801, 8797315672, 11441288836, -458369484247, 4097437715969, -21769011878335, 36715605929957, 703213495381553, -1004207573187...
[ "sign" ]
A087913
[ 0, 1, 1, 3, 1, 5, 1, 6, 7, 7, 1, 10, 1, 13, 13, 12, 1, 15, 1, 15, 19, 19, 1, 20, 23, 23, 26, 26, 1, 26, 1, 24, 31, 31, 31, 30, 1, 37, 37, 30, 1, 39, 1, 39, 39, 43, 1, 40, 47, 49, 47, 51, 1, 52, 53, 52, 53...
[ "nonn" ]
A212721
[ 1, 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 15, 16, 18, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14...
[ "nonn", "tabf", "look" ]
A293858
[ 16, 44, 92, 148, 368, 400, 530, 688, 992, 1052, 2228, 3562, 4952, 7102, 10262, 20684, 37052, 52394, 61456, 62828, 80144, 224648, 236476, 251806, 360524, 362534, 742856, 1655152, 1872236, 2108282, 2319728, 2707118, 8561518, 12727966, 18115354, 182...
[ "nonn" ]
A374672
[ 5, 9, 17, 27, 33, 34, 35, 43, 48, 51, 53, 59, 65, 68, 69, 75, 77, 87, 91, 97, 98, 99, 103, 115, 119, 125, 129, 134, 135, 139, 147, 149, 151, 155, 163, 164, 171, 179, 183, 189, 194, 195, 197, 199, 203, 211, 215, 221, 227,...
[ "nonn" ]
A311666
[ 1, 4, 8, 13, 14, 21, 28, 30, 38, 35, 40, 45, 52, 60, 64, 63, 62, 71, 76, 84, 94, 89, 90, 93, 102, 108, 118, 119, 116, 121, 124, 134, 142, 143, 146, 147, 152, 156, 168, 167, 170, 177, 178, 184, 190, 193, 194, 201, 208, ...
[ "nonn" ]
A065017
[ 23, 47, 167, 359, 1847, 3719, 10607, 19319, 97967, 177239, 273527, 657719, 1042439, 1104599, 1329407, 1515359, 1745039, 2042039, 4464767, 5013119, 5148359, 9740639, 11095559, 11377127, 12538679, 16024007, 16410599, 16752647 ]
[ "nonn" ]
A173586
[ 2, 46, 1502, 96222, 12316638, 3153031134, 1614350348254, 1653094690025438, 1692768964130074600, 1.7333954193566398e+21, 1.7749969094234857e+24, 3.6351936704991096e+27 ]
[ "base", "nonn" ]
A035515
[ 0, 1, 2, 3, 13, 5, 15, 25, 8, 18, 28, 38, 138, 13, 113, 213, 313, 1313, 513, 1513, 2513, 21, 121, 221, 321, 1321, 521, 1521, 2521, 821, 1821, 2821, 3821, 13821, 34, 134, 234, 334, 1334, 534, 1534, 2534, 834, 1834, 2834, 3834, ...
[ "nonn", "easy", "base" ]
A040827
[ 29, 3, 1, 1, 1, 3, 1, 6, 1, 1, 6, 1, 3, 1, 1, 1, 3, 58, 3, 1, 1, 1, 3, 1, 6, 1, 1, 6, 1, 3, 1, 1, 1, 3, 58, 3, 1, 1, 1, 3, 1, 6, 1, 1, 6, 1, 3, 1, 1, 1, 3, 58, 3, 1, 1, 1, 3, 1, 6, 1, 1, 6, 1,...
[ "nonn", "cofr", "easy" ]
A340182
[ 1, 3, 61731, 220157391087140640, 3.109768877542259e+42 ]
[ "nonn" ]
A239299
[ 1, 1, 4, 27, 255, 3028, 41979, 647790, 10803237, 191122140, 3542732908, 68213661464, 1355643940248, 27673150807344, 578051855658450, 12318499151821116, 267156147212406400, 5884501351433388000, 131418738987996410000, 2.9715886639149964e+21 ]
[ "nonn" ]
A168120
[ 1, 1, 1, 1, 0, 1, 2, 1, 0, 1, 2, 0, 0, 0, 1, 3, 1, 1, 0, 0, 1, 4, 0, 0, 0, 0, 0, 1, 5, 2, 0, 1, 0, 0, 0, 1, 6, 0, 1, 0, 0, 0, 0, 0, 1, 8, 2, 0, 0, 1, 0, 0, 0, 0, 1, 10, 0, 0, 0, 0, 0, 0, 0, ...
[ "easy", "nonn", "tabl" ]
A351214
[ 1, 0, 6, 6, 7, 5, 8, 1, 1, 7, 1, 3, 2, 8, 4, 5, 2, 9, 5, 1, 0, 6, 8, 6, 1, 3, 5, 6, 3, 2, 1, 2, 3, 4, 3, 7, 8, 4, 0, 4, 0, 2, 5, 3, 9, 9, 1, 6, 1, 1, 0, 8, 8, 4, 5, 9, 7, 2, 0, 7, 4, 6, 9, 3...
[ "cons", "nonn" ]
A353563
[ 2, 2, 3, 3, 9, 3, 5, 9, 5, 9, 45, 9, 25, 5, 15, 15, 225, 5, 125, 15, 25, 45, 1125, 15, 375, 25, 125, 25, 5625, 15, 7, 225, 375, 225, 625, 25, 35, 125, 625, 225, 315, 25, 175, 375, 625, 1125, 1575, 225, 175, 375, 21, ...
[ "nonn", "look" ]
A196115
[ 3, 5, 7, 8, 9, 11, 11, 13, 13, 15, 16, 17, 17, 19, 19, 21, 21, 21, 23, 23, 24, 25, 27, 27, 29, 31, 32, 33, 33, 37, 39, 39, 40, 40, 41, 43, 47, 48, 48, 49, 51, 51, 53, 56, 56, 56, 57, 57, 59, 61, 63, 64, 69, 72,...
[ "nonn" ]
A377672
[ 2, 4, 8, 12, 8, 32, 48, 48, 12, 128, 16, 24, 16, 256, 64, 80, 32, 96, 1536, 96, 64, 1024, 64, 96, 96, 512, 512, 3072, 64, 128, 2048, 384, 128, 8192, 128, 1152, 256, 128, 32, 2048, 128, 128, 6144, 288, 768, 262144, 64, 480,...
[ "nonn" ]
A306036
[ 44, 468, 496620, 16090340, 2499916380, 499999499999, 47368416315780, 71942445323740, 71428571357142856, 2413792682560590300, 661025543433488600, 998035336547180200000, 9.82656253169174e+21, 3.0864150885173936e+24, 3.3093525179856084e+28 ]
[ "base", "nonn" ]
A070014
[ 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 1, 4, 1, 2, 1, 2, 1, 1, 1, 2, 2, 1, 3, 2, 1, 1, 1, 5, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 3, 2, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 2, 6, 1...
[ "nonn" ]
A149644
[ 1, 1, 5, 15, 71, 243, 1179, 4437, 21789, 86147, 425685, 1736631, 8613497, 35935349, 178664741, 757940191, 3774358603, 16219821809, 80858307405, 351072696975, 1751478407509, 7668835258373, 38280085996055, 168787937815423, 842862773726731, 3738553428347215, 18674386...
[ "nonn", "walk" ]
A338679
[ 1, 1, 11, 111, 1211, 12211, 133211, 1343211, 14553211, 147653211, 1589753211, 16120753211, 173641753211, 1759951753211, 18855161753211, 192028261753211, 2048080361753211, 20841811361753212, 222333332361753200, 2261780642361753000, 24033895852361753000, 245331468952361760000...
[ "nonn" ]
A018414
[ 1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364 ]
[ "nonn", "fini", "full", "easy" ]
A295424
[ 0, 0, 1, 2, 3, 2, 3, 4, 4, 4, 5, 6, 4, 3, 5, 4, 6, 7, 3, 4, 6, 5, 6, 9, 6, 4, 7, 4, 5, 8, 5, 7, 8, 3, 6, 10, 7, 7, 11, 6, 6, 10, 6, 6, 11, 6, 4, 7, 3, 7, 11, 7, 6, 10, 8, 10, 15, 8, 8, 14, 6, 6,...
[ "nonn" ]
A282648
[ 10, 15, 17, 57, 68, 520, 525, 547, 789, 894, 3149, 3700, 3845, 4272, 8304, 15792, 63555, 119926, 121267 ]
[ "nonn", "base", "more" ]