id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A342355
[ 3, 1, 9, 9, 9, 9, 9, 8, 7, 3, 8, 4, 9, 0, 0, 8, 2, 6, 7, 5, 7, 5, 8, 3, 9, 3, 0, 2, 6, 5, 5, 6, 5, 4, 7, 9, 4, 1, 0, 9, 0, 6, 5, 1, 4, 9, 2, 0, 8, 2, 9, 3, 9, 6, 9, 6, 4, 0, 9, 9, 0, 9, 6, 6...
[ "nonn", "cons" ]
A375263
[ 85085, 1062347, 13710311357, 7260418981910177, 1.0705817372430071e+21, 2.766839311485334e+21, 4.100268039496292e+21, 5.485857138434358e+21, 1.6095560647125223e+23, 5.188745284587119e+23, 6.227636857611833e+25, 1.2493928942119893e+26, 1.2929651058443976e+26 ]
[ "nonn" ]
A329696
[ 1, 1, 2, 1, 3, 1, 6, 1, 15, 1, 43, 1, 133, 1, 430, 1, 1431, 1, 4863, 1, 16797, 1, 58787, 1, 208013, 1, 742901, 1, 2674441, 1, 9694846, 1, 35357671, 1, 129644791, 1, 477638701, 1, 1767263191, 1, 6564120421, 1, 24466267021, 1, 914...
[ "nonn", "walk" ]
A003927
[ 25920, 4585351680, 65784756654489600, 7.645779293411987e+25, 7.197966128645939e+36, 5.488878093174113e+49 ]
[ "nonn" ]
A383519
[ 1, 1, 2, 2, 3, 3, 6, 7, 9, 12, 14, 19, 21, 27, 30, 33, 41, 50, 57, 68, 79, 89, 112, 126, 144, 172, 198, 220, 257, 298, 327, 383, 423, 477, 533, 621, 650, 760, 816, 920, 1013 ]
[ "nonn", "more" ]
A290390
[ 0, 1, 11111111111, 1.1111111111111111e+110 ]
[ "nonn", "base", "easy", "bref" ]
A195379
[ 2, 137, 281, 521, 641, 883, 937, 1087, 1151, 1229, 1277, 1301, 1489, 1567, 1607, 1697, 2027, 2081, 2237, 2381, 2543, 2591, 2657, 2687, 2729, 2801, 2851, 2969, 3119, 3257, 3301, 3359, 3463, 3467, 3529, 3673, 3733, 3793, 3821, 3851, 4073,...
[ "nonn" ]
A182492
[ 1, -1, 0, 1, 0, 0, 0, -1, 0, 0, 0, 2, 0, 0, 0, -5, 0, 0, 0, 14, 0, 0, 0, -42, 0, 0, 0, 132, 0, 0, 0, -429, 0, 0, 0, 1430, 0, 0, 0, -4862, 0, 0, 0, 16796, 0, 0, 0, -58786, 0, 0, 0, 208012, 0, 0, 0, -742900, ...
[ "sign" ]
A278636
[ 2, 2, 2, 3, 2, 4, 3, 3, 2, 2, 2, 2, 5, 3, 4, 2, 2, 3, 2, 3, 2, 2, 6, 3, 5, 4, 4, 2, 2, 4, 2, 3, 3, 3, 2, 3, 2, 2, 2, 2, 2, 7, 3, 6, 4, 5, 2, 2, 5, 2, 3, 4, 2, 4, 3, 2, 5, 2, 3, 2, 4, 2, 2, 2...
[ "nonn" ]
A380232
[ 105105, 135135, 153153, 165165, 171171, 189189, 195195, 207207, 225225, 243243, 255255, 261261, 279279, 285285, 297297, 315315, 345345, 351351, 375375, 405405, 435435, 459459, 465465, 495495, 513513, 525525, 555555, 567567, 585585, 615615, 621621, 645645...
[ "nonn", "base" ]
A360878
[ 1, 12, 129, 1984, 45945, 1524156, 68838217, 4070403744, 305642504529, 28440008182540, 3214141725643761, 433856895597946240, 68964321078341280000, 1.275372461647298e+22, 2.7154057624389523e+24, 6.595496619877303e+26, 1.812935282809542e+29 ]
[ "nonn" ]
A058618
[ 1, 0, 1, -1, 2, -2, 2, -3, 5, -5, 5, -7, 9, -10, 11, -14, 18, -20, 22, -27, 32, -36, 40, -48, 57, -63, 70, -82, 95, -106, 119, -137, 158, -175, 195, -222, 252, -280, 311, -352, 397, -439, 486, -546, 611, -676, 747, -834, ...
[ "sign" ]
A310764
[ 1, 4, 7, 11, 17, 19, 26, 30, 32, 39, 43, 47, 51, 60, 60, 68, 73, 75, 79, 89, 86, 96, 100, 103, 106, 117, 112, 124, 126, 131, 132, 145, 138, 152, 152, 159, 158, 173, 164, 180, 178, 187, 184, 201, 190, 208, 204, 215, 210, ...
[ "nonn" ]
A281975
[ 1, 3, 4, 3, 2, 4, 4, 2, 1, 4, 5, 3, 1, 2, 3, 2, 3, 5, 7, 3, 4, 5, 2, 1, 2, 6, 9, 6, 2, 4, 6, 3, 4, 6, 8, 4, 6, 5, 4, 3, 2, 11, 10, 4, 1, 7, 5, 1, 3, 3, 11, 9, 7, 5, 6, 4, 2, 7, 5, 4, 2, 6, 4, ...
[ "nonn" ]
A060354
[ 0, 1, 2, 6, 16, 35, 66, 112, 176, 261, 370, 506, 672, 871, 1106, 1380, 1696, 2057, 2466, 2926, 3440, 4011, 4642, 5336, 6096, 6925, 7826, 8802, 9856, 10991, 12210, 13516, 14912, 16401, 17986, 19670, 21456, 23347, 25346, 27456, 29680, 3...
[ "easy", "nice", "nonn" ]
A295307
[ 3, 5, 6, 7, 10, 11, 13, 14, 15, 17, 19, 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, 31, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68...
[ "nonn" ]
A143431
[ 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1,...
[ "sign", "easy" ]
A329146
[ 2, 4, 3, 8, 5, 4, 16, 8, 6, 5, 32, 13, 9, 7, 6, 64, 21, 13, 10, 8, 7, 128, 34, 19, 14, 11, 9, 8, 256, 55, 28, 19, 15, 12, 10, 9, 512, 89, 41, 26, 20, 16, 13, 11, 10, 1024, 144, 60, 36, 26, 21, 17, 14, 12, 11,...
[ "nonn", "tabl" ]
A022940
[ 1, 3, 5, 9, 15, 22, 30, 40, 51, 63, 76, 90, 106, 123, 141, 160, 180, 201, 224, 248, 273, 299, 326, 354, 383, 414, 446, 479, 513, 548, 584, 621, 659, 698, 739, 781, 824, 868, 913, 959, 1006, 1054, 1103, 1153, 1205, 1258, 1312...
[ "nonn", "easy" ]
A257219
[ 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 63, 64, 66, 68, 69, 70, 72, 74, 75, 76, 78, 80, 81, 82, 84, 86, 87, 88...
[ "nonn", "base" ]
A137000
[ 1, 2, 9, 11, 12, 21, 22, 29, 91, 122, 141, 212, 221, 222, 288, 441, 911, 921, 1118, 1191, 1488, 2212, 2988, 11141, 11882, 14829, 21212, 22229, 42921, 49441, 49829, 49891, 122182, 141118, 141421, 221911, 491141, 491212, 498891, 498928, 4...
[ "base", "nonn" ]
A107275
[ 10011001, 10100101, 10111101, 10200501, 10500201, 10511201, 10800801, 11011011, 11100111, 11111111, 11200511, 11500211, 11511211, 11800811, 15011021, 15100121, 15111121, 15200521, 15500221, 15511221, 15800821 ]
[ "base", "easy", "fini", "nonn" ]
A310586
[ 1, 4, 6, 10, 15, 19, 23, 22, 30, 33, 37, 44, 45, 50, 50, 54, 59, 66, 71, 72, 75, 75, 82, 84, 93, 99, 98, 102, 99, 109, 113, 118, 126, 126, 128, 125, 134, 139, 147, 152, 152, 155, 150, 161, 164, 175, 182, 176, 181, 177 ...
[ "nonn" ]
A365087
[ 1, 1, -3, -1, 29, -44, -265, 1114, 1369, -19076, 20388, 250977, -875281, -2116594, 19136754, -7765108, -306092007, 830209808, 3388957208, -22266676364, -8185922076, 413223401045, -814031607979, -5513566634947, 27558060911119, 35395095404776 ]
[ "sign" ]
A087076
[ 0, 1, 10, 56, 240, 880, 2912, 8960, 26112, 72960, 197120, 518144, 1331200, 3354624, 8314880, 20316160, 49020928, 116981760, 276430848, 647495680, 1504706560, 3471835136, 7958691840, 18136170496, 41104179200, 92694118400, 208071032832 ]
[ "nonn", "easy" ]
A163366
[ 1, 1, 4, 1, 1, 12, 16, 1, 1, 28, 1, 36, 40, 1, 1, 52, 1, 60, 1, 1, 72, 1, 1, 88, 96, 100, 1, 1, 108, 112, 1, 1, 136, 1, 148, 1, 156, 1, 1, 172, 1, 180, 1, 192, 196, 1, 1, 1, 1, 228, 232, 1, 240, 1, 256, 1, ...
[ "nonn" ]
A200096
[ 1, 6, 5, 4, 6, 9, 9, 7, 8, 2, 2, 9, 3, 9, 0, 1, 0, 7, 1, 1, 3, 1, 6, 8, 6, 6, 8, 1, 8, 3, 0, 8, 0, 0, 6, 3, 5, 4, 6, 5, 9, 6, 8, 5, 5, 6, 7, 0, 3, 5, 0, 6, 3, 0, 7, 5, 3, 8, 7, 7, 2, 4, 0, 1...
[ "nonn", "cons" ]
A194595
[ 1, 3, 1, 7, 14, 1, 13, 81, 39, 1, 21, 304, 456, 84, 1, 31, 875, 3000, 1750, 155, 1, 43, 2106, 13875, 18500, 5265, 258, 1, 57, 4459, 50421, 128625, 84035, 13377, 399, 1, 73, 8576, 153664, 669536, 836920, 307328, 30016, 584, 1, ...
[ "nonn", "tabl", "changed" ]
A086359
[ 2, 6, 2, 7, 9, 6, 3, 9, 2, 4, 3, 7, 2, 9, 9, 9, 9, 6, 3, 9, 3, 6, 9, 9, 9, 9, 2, 4, 3, 4, 5, 9, 3, 6, 9, 7, 5, 6, 2, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 3, 9, 3, 6, 9, 9, 9, 9, 3, 6...
[ "base", "nonn" ]
A388038
[ 0, 1, 5, 2, 979, 6, 8, 3, 13, 980, 6, 7, 209, 9, 980, 4, 8, 14, 9, 981, 10, 7, 14, 8, 980, 210, 7, 10, 20, 981, 210, 5, 14, 9, 981, 15, 13, 10, 9, 982, 210, 11, 10, 8, 806, 15, 11, 9, 9, 981, 15, 211, 980, 8, ...
[ "look", "sign" ]
A049691
[ 0, 3, 5, 9, 13, 21, 25, 37, 45, 57, 65, 85, 93, 117, 129, 145, 161, 193, 205, 241, 257, 281, 301, 345, 361, 401, 425, 461, 485, 541, 557, 617, 649, 689, 721, 769, 793, 865, 901, 949, 981, 1061, 1085, 1169, 1209, 1257, 1301, ...
[ "nonn" ]
A387631
[ 0, 2, 8, 27, 68, 135, 234, 378, 576, 837, 1170, 1584, 2088, 2691, 3402 ]
[ "nonn", "more" ]
A336479
[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 5, 3, 2, 3, 1, 1, 1, 2, 8, 5, 11, 18, 8, 5, 3, 5, 11, 7, 3, 5, 1, 1, 1, 2, 13, 8, 26, 42, 18, 11, 26, 42, 94, 58, 29, 47, 13, 8, 5, 8, 29, 18, 36, 58, 26, 16, 7, 11, 26, ...
[ "nonn", "base" ]
A100353
[ 4, 1, 2, 3, 400, 8, 5, 6, 12, 7, 69, 16, 9, 10, 21, 11, 61, 27, 13, 14, 31, 15, 92, 38, 17, 347, 18, 43, 19, 20, 47, 142, 22, 53, 23, 163, 24, 25, 14006, 26, 65, 720, 28, 29, 3310, 30, 79, 4087, 32, 85, 33, 268, ...
[ "nonn" ]
A060730
[ 1, 2, 3, 5, 7, 12, 17, 22, 34, 41, 53, 87, 109, 131, 184, 218, 252, 361, 414, 501, 632, 763, 894, 1112, 1330, 1548, 1909, 2161, 2575, 3207, 3568, 4331, 5225, 5726, 6489, 7819, 8582, 9694, 11855, 12967, 14515, 18083, 19413, 21574, ...
[ "nonn" ]
A353146
[ 0, 1, 14, 216, 3145, 44252, 641640, 12305251, 163304624, 2516300046, 36351200665, 542225612642, 11012302601310, 143163240420331, 2224515456064634, 32255340625240210, 453016062064453000, 6552245200234552000, 125142553603416150000 ]
[ "nonn", "base", "easy" ]
A159056
[ 0, 0, 0, 0, 28560, 18277200, 1925512560, 71729634480, 1389478980960, 17119717947360, 151217975815200, 1034656343471520, 5783087147848560, 27431854405990320, 113598910323858960, 419654992044834000, 1406448998999379000, 4333949766504066000, 12412819895060855000 ]
[ "nonn", "easy" ]
A379596
[ 3, 6, 9, 12, 15, 18, 5, 24, 27, 30, 33, 36, 39, 10, 45, 48, 7, 54, 57, 60, 15, 66, 12, 72, 75, 78, 81, 20, 87, 90, 9, 96, 99, 14, 25, 108, 111, 114, 117, 120, 36, 30, 129, 132, 135, 24, 16, 144, 11, 150, 21, 156, ...
[ "nonn", "easy" ]
A258599
[ 2, 4, 6, 10, 16, 20, 28, 31, 39, 48, 51, 65, 71, 75, 84, 94, 107, 110, 120, 129, 133, 145, 152, 163, 180, 187, 191, 199, 202, 212, 238, 246, 258, 261, 282, 286, 297, 309, 319, 330, 342, 344, 366, 372, 377, 382, 407, 431, ...
[ "nonn" ]
A005034
[ 1, 1, 1, 2, 7, 25, 108, 492, 2431, 12371, 65169, 350792, 1926372, 10744924, 60762760, 347653944, 2009690895, 11723100775, 68937782355, 408323229930, 2434289046255, 14598011263089, 88011196469040, 533216750567280, 3245004785069892, 19829768942544276, 12163921151654...
[ "nonn", "easy" ]
A089334
[ 3, 2, 5, 7, 29, 13, 41, 73, 11, 19, 23, 43, 311, 367, 269, 1423, 47, 37, 239, 67, 89, 241, 719, 1381, 149, 787, 653, 313, 3539, 277, 443, 3733, 83, 211, 1103, 421, 2087, 61, 317, 379, 4421, 463, 3659, 2719, 863, 967, 509, ...
[ "base", "nonn" ]
A070208
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3...
[ "nonn" ]
A084273
[ 0, 0, 1, 18, 472, 18855 ]
[ "nonn", "more" ]
A287816
[ 1, 9, 65, 471, 3413, 24733, 179233, 1298853, 9412437, 68209395, 494295113, 3582023557, 25957960001, 188110345129, 1363185009337, 9878634630295, 71587804656589, 518777540353453, 3759441118026705, 27243657291488468, 197427447142906140, 1430703538380754000 ]
[ "nonn", "easy" ]
A257169
[ 11, 17, 1158722981124148500, 1240068005144831700, 2243290806352501800, 3172206835341610000, 8402171449067476000, 9422138120166965000, 14094050870111867000, 16222575536498135000, 16485850001899820000, 16679857156627718000, 17905159760365246000, 26082001869529407000, 27367669288651555000, ...
[ "nonn" ]
A346921
[ 1, 0, 1, 3, 17, 110, 874, 8064, 85182, 1012248, 13369026, 194245590, 3079135806, 52880064588, 978038495316, 19381794788160, 409702099828104, 9201877089355584, 218832476773294000, 5493266481129425000, 145153549897858760000, 4.0273108382111147e+21 ]
[ "nonn" ]
A204378
[ 182, 88, 98, 111, 136, 176, 241, 348, 518, 795, 1244, 1968, 3141, 5040, 8110, 13079, 21120, 34128, 55177, 89236, 144342, 233507, 377780, 611216, 988925, 1600072, 2588926, 4188927, 6777784, 10966640, 17744353, 28710924, 46455206, 75166059 ]
[ "nonn" ]
A118772
[ 8, -56, 156, 13328, -920, -83678, 1261988, 54252742, 214409844, -3528354250, 247094703588, -509185323508, 15154985424718, 884710401396570, 49777180907707320, -172913218088289020, 844641410704177200, 3066058962037716000, -33948947842497667000 ]
[ "easy", "sign" ]
A154966
[ 3, 5, 7, 11, 13, 19, 29, 31, 37, 43, 47, 53, 59, 67, 73, 79, 89, 97, 101, 103, 107, 109, 113, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 229, 233, 239, 241, 251, 257, 263, 269, 2...
[ "nonn", "base", "easy", "less" ]
A249316
[ 249088, 1340288, 7224220, 38980312, 210466508, 1136802444, 6141387290, 33179587514, 179264996934, 968578232316, 5233392354636, 28277314866584, 152790758232756, 825578405733478, 4460878985511110, 24103673474050076 ]
[ "nonn" ]
A005919
[ 1, 9, 30, 65, 114, 177, 254, 345, 450, 569, 702, 849, 1010, 1185, 1374, 1577, 1794, 2025, 2270, 2529, 2802, 3089, 3390, 3705, 4034, 4377, 4734, 5105, 5490, 5889, 6302, 6729, 7170, 7625, 8094, 8577, 9074, 9585, 10110, 10649, 11202, 117...
[ "nonn", "easy" ]
A069732
[ 0, 0, 2, 7, 40, 239, 1549, 10396, 71467, 498598, 3520015, 25087426, 180249182, 1304148015, 9494015372, 69492950976, 511147940104, 3776180492129, 28007532925171, 208474866181148 ]
[ "easy", "nonn" ]
A059928
[ 1, 1, 1, 9, 1, 1, 1, 9, 1, 1, 1, 81, 1, 169, 841, 9, 1, 1, 1369, 9, 1, 529, 1, 81, 2401, 625, 1, 1521, 1, 841, 1024, 8649, 4489, 1, 5041, 729, 1, 1369, 6241, 9, 6889, 169, 29929, 4761, 841, 2209, 1, 178929, 85849, 2401...
[ "nonn" ]
A027491
[ 1, 126, 22535, 6139575, 2487385684, 1446119232796, 1166500896454844, 1267622549125064200, 1.8093977029626034e+21, 3.319681647209765e+24, 7.68347748746974e+27, 2.207357117868362e+31 ]
[ "nonn", "easy" ]
A092824
[ 1, 2, 3, 4, 6, 8, 12, 16, 18, 24, 30, 40, 48, 60, 72, 80, 90, 96, 120, 144, 180, 240, 288, 360, 432, 480, 540, 576, 600, 720, 840, 1008, 1260, 1440, 1680, 2016, 2160, 2520, 2880, 3024, 3360, 3600, 3780, 4032, 4200, 4320, 504...
[ "nonn" ]
A049009
[ 1, 1, 2, 2, 3, 18, 6, 4, 48, 36, 144, 24, 5, 100, 200, 600, 900, 1200, 120, 6, 180, 450, 300, 1800, 7200, 1800, 7200, 16200, 10800, 720, 7, 294, 882, 1470, 4410, 22050, 14700, 22050, 29400, 176400, 88200, 88200, 264600, 105840, ...
[ "nonn", "tabf", "easy" ]
A097695
[ 10324, 19920, 35791, 60122, 95610, 145362 ]
[ "more", "nonn" ]
A320880
[ 56676324799, 373169411809, 2121959132809, 10180781225809, 14328311692789, 17429111275789, 32594135422789, 34327062247789, 39262151325799, 57404320087789, 60760513291789, 63116080460809, 66105224572789, 92054642332789, 98606700040789 ]
[ "nonn", "base" ]
A071259
[ 3, 4, 6, 8, 10, 12, 15, 17, 19, 23, 25, 29, 31, 33, 36, 39, 43, 44, 48, 51, 53, 56, 59, 62, 67, 70, 71, 74, 76, 79, 86, 89, 93, 94, 100, 101, 105, 109, 111, 115, 118, 120, 126, 128, 130, 132, 138, 145, 148, 149, 152,...
[ "nonn" ]
A311863
[ 1, 4, 8, 13, 17, 21, 26, 31, 36, 38, 43, 47, 50, 55, 59, 65, 69, 75, 79, 82, 88, 89, 92, 99, 101, 107, 111, 119, 122, 125, 132, 133, 136, 142, 143, 151, 153, 161, 164, 168, 176, 176, 179, 187, 187, 194, 195, 205, 206, ...
[ "nonn" ]
A164445
[ 13, 22, 38, 66, 113, 193, 331, 568, 974, 1669, 2861, 4905, 8409, 14415, 24711, 42362, 72621, 124493, 213416, 365856, 627182, 1075169, 1843146, 3159678, 5416590, 9285581, 15918135, 27288225, 46779804, 80193932, 137475281, 235671857 ]
[ "nonn" ]
A330708
[ 0, 1, 2, 4, 5, 7, 8, 12, 15, 17, 20, 22, 23, 24, 31, 36, 39, 43, 50, 55, 57, 63, 65, 70, 71, 78, 87, 94, 103, 111, 113, 115, 119, 120, 134, 139, 141, 148, 160, 167, 169, 185, 204, 211, 254, 263, 267, 279, 283, 286, 3...
[ "nonn" ]
A334496
[ 1, 1, 1, 8, 5, 1, 4, 40, 72, 15, 154, 102, 260, 1428, 1455, 6016, 10846, 2844, 247, 3420, 597, 3256, 38249, 185040, 588425, 312156, 240300, 249165, 833808, 374265, 2841150, 842528, 1049268, 5656002, 18480630, 2844, 49276415, 9329228, 961272...
[ "nonn" ]
A240734
[ 1, 1, 2, 2, 4, 5, 8, 11, 16, 22, 32, 46, 65, 92, 130, 185, 262, 371, 526, 745, 1056, 1496, 2119, 3001, 4251, 6021, 8528, 12080, 17110, 24236, 34328, 48622, 68869, 97547, 138166, 195700, 277191, 392616, 556104, 787670, 1115663, 1580234...
[ "nonn", "easy" ]
A108656
[ 2, 3, 2, 3, 2, 7, 2, 3, 2, 11, 4, 5, 2, 1, 2, 5, 10, 1, 2, 3, 2, 3, 2, 1, 2, 5, 4, 17, 6, 13, 4, 1, 2, 5, 8, 11, 10, 3, 2, 9, 2, 11, 6, 3, 4, 15, 6, 1, 6, 1, 4, 5, 2, 11, 4, 1, 10, 3, 36, 7, 16, ...
[ "nonn" ]
A127014
[ 1, 3, 3, 3, 19, 51, 115, 115, 115, 627, 627, 2675, 2675, 2675, 2675, 35443, 35443, 166515, 166515, 166515, 1215091, 3312243, 3312243, 3312243, 3312243, 36866675 ]
[ "nonn" ]
A085013
[ 1, 3, 5, 7, 13, 23, 29, 37, 43, 61, 73, 89, 137, 151, 167, 199, 269, 383, 397, 521, 619, 659, 739, 1217, 1307, 1613, 1741, 1847, 1873, 2039, 2473, 2521, 2531, 3011, 3391, 3637, 3793, 4201, 4751, 5039, 5879, 6299, 7307, 7829, 824...
[ "nonn" ]
A154072
[ 20, 60, 123, 304, 180, 208, 509, 248, 136, 220, 132, 58, 42, 78 ]
[ "nonn" ]
A140359
[ 1, 1, 6, 11, 26, 51, 106, 211, 426, 851, 1706, 3411, 6826, 13651, 27306, 54611, 109226, 218451, 436906, 873811, 1747626, 3495251, 6990506, 13981011, 27962026, 55924051, 111848106, 223696211, 447392426, 894784851, 1789569706, 3579139411 ]
[ "nonn" ]
A260306
[ 1, 4, -8, -16, 8992, 334144, -698752, -23349012224, 1357305243136, 6319924923392, -8773495082018816, -49004477022654460, 1709650943378038800, 4.8038083183436704e+23, -8.848117338802606e+25, -6.608839151800952e+26, 8.889620796831521e+29 ]
[ "sign", "frac" ]
A320744
[ 0, 0, 0, 0, 0, 6, 30, 130, 532, 2006, 7626, 28401, 106260, 396435, 1486147, 5580130, 21032880, 79486763, 301317282, 1145123672, 4362804633, 16658456825, 63738451998, 244332656201, 938244497740, 3608640426930, 13899977105315, 53614228550220, 207061964668740, ...
[ "nonn", "easy" ]
A026962
[ 1, 6, 24, 108, 406, 1572, 5961, 22788, 87209, 335010, 1290376, 4983162, 19286891, 74797176, 290586771, 1130716508, 4406049037, 17191077082, 67152699384, 262594530318, 1027851765350, 4026831276662, 15788979175102, 61954847930374, 243278117470476, 955907159445522 ]
[ "nonn" ]
A211318
[ 1, 0, 2, 0, 4, 2, 0, 10, 12, 2, 0, 32, 70, 16, 2, 0, 122, 442, 134, 20, 2, 0, 544, 3108, 1164, 198, 24, 2, 0, 2770, 24216, 10982, 2048, 274, 28, 2, 0, 15872, 208586, 112354, 22468, 3204, 362, 32, 2, 0, 101042, 1972904, 1...
[ "nonn", "tabl" ]
A180571
[ 58, 136, 259, 436, 676, 988, 1381, 1864, 2446, 3136, 3943, 4876, 5944, 7156, 8521, 10048, 11746, 13624, 15691, 17956, 20428, 23116, 26029, 29176, 32566, 36208, 40111, 44284, 48736, 53476, 58513, 63856, 69514, 75496, 81811, 88468, 95476, 10284...
[ "nonn", "easy" ]
A352390
[ 1, 10, 11, 9, 2, 19, 20, 12, 29, 30, 22, 8, 3, 39, 13, 6, 7, 23, 49, 33, 5, 18, 15, 4, 17, 16, 40, 27, 25, 28, 26, 43, 50, 53, 32, 59, 69, 42, 63, 21, 60, 37, 14, 52, 62, 38, 24, 73, 79, 36, 46, 72, 70, 56, 4...
[ "base", "nonn" ]
A314682
[ 1, 5, 9, 13, 17, 21, 30, 34, 37, 41, 45, 50, 58, 63, 62, 69, 74, 80, 87, 90, 90, 95, 105, 108, 115, 117, 118, 124, 133, 137, 140, 145, 147, 154, 162, 164, 168, 171, 178, 182, 190, 191, 196, 200, 206, 211, 215, 219, 225, ...
[ "nonn" ]
A186793
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[ "nonn" ]
A292888
[ 9, 9, 9, 9, 1, 9, 2, 9, 3, 9, 7, 0, 0, 1, 7, 5, 5, 9, 3, 2, 4, 2, 8, 2, 6, 5, 5, 3, 2, 0, 3, 2, 2, 8, 8, 4, 6, 9, 8, 3, 4, 9, 2, 8, 0, 3, 1, 7, 2, 7, 7, 0, 3, 1, 5, 3, 2, 3, 1, 9, 2, 8, 4, 1...
[ "nonn", "cons" ]
A300703
[ 1, 0, 0, 0, 0, 2, 0, 5, 2, 5, 2, 19, 2, 45, 6, 10, 14, 231, 4, 500, 14, 48, 45, 2351, 12, 1520, 144, 637, 100, 24441, 6, 53242, 810, 2558, 1294, 15402, 94, 550862, 3707, 16658, 680, 2616337, 53, 5701552, 11639, 6606, 30749, ...
[ "nonn" ]
A097139
[ 0, 0, 1, 6, 32, 162, 813, 4068, 20344, 101724, 508625, 2543130, 12715656, 63578286, 317891437, 1589457192, 7947285968, 39736429848, 198682149249, 993410746254, 4967053731280, 24835268656410, 124176343282061, 620881716410316 ]
[ "easy", "nonn" ]
A087330
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[ "base", "nonn", "easy" ]
A102366
[ 1, 1, 2, 3, 6, 10, 15, 21, 28, 84, 120, 165, 220, 286, 364, 455, 1820, 2380, 3060, 3876, 4845, 5985, 7315, 8855, 10626, 53130, 65780, 80730, 98280, 118755, 142506, 169911, 201376, 237336, 278256, 324632, 1947792, 2324784, 2760681, 3262623...
[ "nonn" ]
A273858
[ 4, 0, 12, -8, 20, -8, 44, -32, 36, 0, 72, -12, 72, 32, 92, -16, 28, 16, 112, 60, 124, 24, 116, 36, 112, 52, 180, 88, 164, 32, 224, -20, 72, 48, 168, 108, 208, 144, 220, 80, 124, 72, 280, 104, 272, 152, 308, 24, 104, 88...
[ "sign", "easy" ]
A375211
[ 3, 4, 5, 7, 9, 16, 18, 19, 23, 25, 33, 34, 38, 43, 45, 48, 49, 54, 56, 58, 59, 66, 77, 79, 84, 86, 93, 144, 149, 155, 157, 166, 176, 189, 195, 223, 233, 238, 243, 258, 266, 293, 295, 304, 308, 313, 314, 323, 333, 334, ...
[ "nonn", "base", "look" ]
A187061
[ 3, 8, 6, 7, 4, 9, 9, 7, 0, 7, 1, 4, 3, 0, 0, 7, 0, 6, 1, 7, 1, 5, 2, 4, 8, 0, 3, 4, 8, 5, 5, 8, 0, 9, 3, 9, 6, 6, 1, 4, 4, 7, 6, 1, 5, 5, 6, 3, 0, 7, 7, 5, 0, 5, 1, 4, 7, 5, 0, 2, 8, 0, 5, 6...
[ "nonn", "cons", "easy" ]
A287831
[ 1, 10, 96, 924, 8892, 85572, 823500, 7924932, 76265388, 733938084, 7063035084, 67970944260, 654116708844, 6294876045156, 60578584659468, 582976518206148, 5610260171812140, 53990200655546140, 519573366930788160, 5000101506310370000, 48118353758378070000 ]
[ "nonn", "easy" ]
A186253
[ 2, 5, 11, 23, 47, 79, 157, 313, 619, 1237, 2473, 4909, 9817, 19603, 39199, 78193, 156019, 311347, 622669, 1244149, 2487739, 4975111, 9950221, 19900399, 39800797, 79601461, 159202369, 318404629, 636788881, 1273577761, 2547155419, 5094310069, 10188620041...
[ "nonn" ]
A031051
[ 5, 18, 34, 50, 66, 73, 75, 77, 79, 81, 82, 83, 85, 87, 98, 114, 135, 159, 183, 207, 231, 241, 244, 247, 250, 253, 255, 256, 259, 262, 279, 303, 327, 351, 375, 399, 423, 433, 436, 439, 442, 445, 447, 448, 451, 454, 471, 495...
[ "nonn" ]
A191133
[ 1, 2, 4, 6, 7, 13, 14, 19, 22, 26, 40, 43, 50, 54, 58, 67, 74, 79, 86, 102, 121, 130, 151, 158, 163, 170, 175, 198, 202, 214, 223, 230, 238, 259, 266, 294, 307, 314, 342, 364, 391, 406, 454, 475, 482, 490, 511, 518, 526,...
[ "nonn" ]
A023005
[ 1, 6, 27, 98, 315, 918, 2492, 6372, 15525, 36280, 81816, 178794, 380051, 788004, 1597725, 3174210, 6190182, 11867310, 22395359, 41650050, 76413078, 138421358, 247783113, 438616728, 768291650, 1332444330, 2289213495, 3898064226, 6581591157, 11023247880 ]
[ "nonn" ]
A003652
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 4, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1...
[ "nonn" ]
A122209
[ 4, 87, 1556, 13275, 65796, 239087, 710844, 1789395, 4083404, 8384727, 16156884, 29194283, 50363460, 82888311, 132264452, 204330315, 306450780, 450504551, 647579748, 913503459, 1262033828, 1725350295, 2318488092, 3072687971 ]
[ "nonn" ]
A059960
[ 5, 11, 17, 71, 107, 191, 431, 1151, 2591, 139967, 472391, 786431, 995327, 57395627, 63700991, 169869311, 4076863487, 10871635967, 2348273369087, 56358560858111, 79164837199871, 84537841287167, 150289495621631, 578415690713087, 1141260857376767 ]
[ "nonn" ]
A113560
[ 5, 150, 105, 10052, 10005, 1000050, 1000055, 100000056, 100000035, 10000000050, 10000000065, 1000000000056, 1000000000025, 100000000000054, 100000000000005, 10000000000000256, 10000000000000136, 1000000000000000100, 1000000000000000100, 1e+21 ]
[ "base", "easy", "nonn" ]
A238214
[ 1, 8, 1, 8, 5, 7, 0, 0, 5, 6, 7, 5, 3, 3, 1, 4, 0, 0, 3, 6, 2, 7, 0, 7, 1, 3, 9, 2, 1, 9, 5, 2, 2, 8, 9, 3, 2, 3, 6, 9, 6, 8, 0, 2, 7, 1, 5, 5, 5, 5, 9, 7, 7, 6, 4, 9, 9, 7, 3, 7, 1, 0, 8, 1...
[ "nonn", "cons" ]
A131194
[ 101, 1013, 1019, 1021, 1031, 1033, 1039, 1049, 1069, 1091, 1093, 1097, 1109, 1129, 1193, 1213, 1217, 1231, 1237, 1277, 1279, 1289, 1291, 1297, 1327, 1367, 1373, 1433, 1439, 1453, 1459, 1489, 1493, 1499, 1549, 1559, 1579, 1597, 1657, 1667,...
[ "nonn", "base", "easy" ]
A008640
[ 1, 1, 2, 3, 5, 7, 11, 15, 22, 30, 42, 56, 76, 99, 131, 169, 219, 278, 355, 445, 560, 695, 863, 1060, 1303, 1586, 1930, 2331, 2812, 3370, 4035, 4802, 5708, 6751, 7972, 9373, 11004, 12866, 15021, 17475, 20298, 23501, 27169, 31316, ...
[ "nonn", "easy" ]
A195736
[ 1, 2, 21, 568, 29705, 2573136, 335201293, 61480323584, 15135660248913, 4823681315219200, 1934425407465004500, 954153609788873400000, 5.681256176880933e+23, 4.020069179097396e+26, 3.335973130021143e+29 ]
[ "nonn" ]
A292252
[ 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 3, 0, 1, 0, 3, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 3, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1...
[ "nonn", "base" ]
A240457
[ 8, 89, 874, 8187, 75167, 682018, 6147372, 55212526, 494809053, 4428808128, 39611173178, 354127003547, 3165102684053, 28284608888395, 252739519980209, 2258253806476180, 20177086997089510, 180275181902738300 ]
[ "nonn" ]