id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A241168
[ 1, 1, 2, 1, 5, 6, 1, 9, 25, 26, 1, 14, 67, 149, 150, 1, 20, 145, 525, 1081, 1082, 1, 27, 275, 1450, 4651, 9365, 9366, 1, 35, 476, 3430, 15421, 47229, 94585, 94586, 1, 44, 770, 7266, 43281, 180894, 545707, 1091669, 1091670, 1, ...
[ "nonn", "tabl" ]
A076363
[ 1, 1, 1, 1, 3, 1, 5, 3, 4, 2, 9, 2, 11, 4, 5, 7, 15, 4, 17, 6, 9, 8, 21, 6, 18, 10, 16, 10, 27, 5, 29, 15, 17, 14, 21, 10, 35, 16, 21, 14, 39, 9, 41, 18, 21, 20, 45, 14, 40, 18, 29, 22, 51, 16, 37, 22, 33...
[ "nonn" ]
A080035
[ 127, 343, 736, 1285, 2187, 2502, 2592, 2737, 3125, 3685, 3864, 3972, 4096, 6455, 11264, 11664, 12850, 13825, 14641, 15552, 15585, 15612, 15613, 15617, 15618, 15621, 15622, 15623, 15624, 15626, 15632, 15633, 15642, 15645, 15655, 15656 ]
[ "nonn", "base", "nice" ]
A127324
[ 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 2, 0, 0, 0, 1, 0, 0, 1, 0, 1, 2, 0, 0, 1, 0, 1, 2, 0, 1, 2, 3, 0, 0, 0, 1, 0, 0, 1, 0, 1, 2, 0, 0, 1, 0, 1, 2, 0, 1, 2, 3, 0, 0, 1, 0, 1, 2, 0, 1, 2...
[ "nonn" ]
A084330
[ 0, 1, 31, 932, 27993, 840755, 25251608, 758417953, 22778659911, 684144336604, 20547893297305, 617144506454939, 18535590794481264, 556706123941725950, 16720357709153548000, 502186611389449960000, 1.5082894579507495e+22, 4.530063202344383e+23 ]
[ "nonn", "easy" ]
A113715
[ 1, 2, 5, 18, 89, 546, 3893, 31210, 276393, 2674346, 28053749, 317122018, 3843832473, 49745582994, 684808185109, 9994279232186, 154164863607273, 2506527296803674, 42846740489105304, 768278266512841300 ]
[ "nonn" ]
A073575
[ 1, 3, 1, 3, 1, 9, 1, 3, 1, 3, 1, 9, 1, 3, 1, 3, 1, 9, 1, 3, 1, 3, 1, 33, 1, 3, 1, 3, 1, 9, 1, 3, 1, 3, 1, 9, 1, 3, 1, 3, 1, 9, 1, 3, 1, 3, 1, 33, 1, 3, 1, 3, 1, 9, 1, 3, 1, 3, 1, 9, 1, 3, 1, ...
[ "nonn" ]
A163843
[ 1, 3, 10, 41, 116, 427, 1240, 4181, 12472, 40091, 121364, 380701, 1160186, 3593969, 10979532, 33785469, 103258800, 316532947, 966976444, 2957131673, 9026437602, 27558146133, 84043120308, 256263107177, 780817641926 ]
[ "nonn" ]
A303296
[ 1, 7, 9, 4, 4, 9, 7, 1, 9, 1, 7, 9, 4, 4, 9, 7, 1, 9, 1, 7, 9, 4, 4, 9, 7, 1, 9, 1, 7, 9, 4, 4, 9, 7, 1, 9, 1, 7, 9, 4, 4, 9, 7, 1, 9, 1, 7, 9, 4, 4, 9, 7, 1, 9, 1, 7, 9, 4, 4, 9, 7, 1, 9, 1...
[ "nonn", "base", "easy" ]
A327027
[ 1, 0, 1, 0, 1, 3, 0, 1, 10, 30, 0, 1, 33, 315, 630, 0, 1, 102, 2646, 15120, 22680, 0, 1, 348, 21135, 263340, 1039500, 1247400, 0, 1, 1170, 167310, 4118400, 32432400, 97297200, 97297200, 0, 1, 4113, 1333080, 61757010, 871620750, 4937...
[ "nonn", "tabl" ]
A335968
[ 3, 11, 83, 583, 9287, 17088645, 551906607361 ]
[ "nonn", "base", "more" ]
A180201
[ 0, 1, 2, 3, 5, 4, 6, 7, 11, 10, 8, 9, 13, 12, 14, 15, 23, 22, 20, 21, 17, 16, 18, 19, 27, 26, 24, 25, 29, 28, 30, 31, 47, 46, 44, 45, 41, 40, 42, 43, 35, 34, 32, 33, 37, 36, 38, 39, 55, 54, 52, 53, 49, 48, 50...
[ "nonn", "easy" ]
A383578
[ 2, 3, 25, 7, 11, 169, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, ...
[ "nonn" ]
A185232
[ 0, 0, 0, 0, 4, 0, 0, 0, 1520, 0, 0, 0, 235072, 0, 0, 705280, 278539264, 0, 0, 0, 226593936, 0, 0, 0, 295266178368, 0, 24143851798528, 27, 10557680820452065000, 0, 0, 0, 2.8215250076830055e+24, 0, 0, 2.8215250076830055e+24, 4.394285840866412e+31...
[ "nonn" ]
A358100
[ 1, 2, 4, 6, 12, 20, 30, 40, 80, 60, 252, 120, 240, 540, 360, 630, 420, 960, 1440, 840, 1260, 2880, 3360, 4320, 2520, 6720, 5040, 8640, 10080, 15120, 50400, 20160, 40320, 30240, 171360, 90720, 383040, 60480, 120960, 181440, 362880, 544...
[ "nonn", "base", "fini" ]
A098364
[ 1, 4, 4, 1, 16, 1, 4, 4, 4, 4, 2, 16, 1, 16, 2, 1, 8, 4, 4, 8, 1, 3, 4, 2, 16, 2, 4, 3, 5, 12, 1, 8, 8, 1, 12, 5, 6, 20, 3, 4, 4, 4, 3, 20, 6, 2, 24, 5, 12, 2, 2, 12, 5, 24, 2, 3, 8, 6, 20, 6, 1, ...
[ "nonn", "tabl", "base" ]
A214953
[ 1, 1, 48, 6405442434150, 2.1389686842355004e+44 ]
[ "nonn", "more" ]
A144206
[ 10, 16, 40, 70, 100, 106, 196, 226, 280, 310, 460, 616, 826, 856, 880, 1090, 1300, 1426, 1450, 1486, 1666, 1696, 1786, 1870, 1876, 1996, 2086, 2140, 2380, 2686, 2710, 2800, 3166, 3256, 3460, 3466, 3850, 4156, 4516, 4786, 5230, 5416, ...
[ "easy", "nonn" ]
A241771
[ 0, 0, 0, 0, 0, 0, 1, 9, 97, 1029 ]
[ "nonn", "hard", "more" ]
A205170
[ 13, 159, 159, 2277, 8479, 2277, 33831, 474853, 474853, 33831, 506493, 26702419, 100138314, 26702419, 506493, 7594479, 1502057181, 21125224557, 21125224557, 1502057181, 7594479, 113908437, 84495589507, 4456641224469, 16713430246949 ]
[ "nonn", "tabl" ]
A293013
[ 1, 1, 5, 55, 961, 24101, 818821, 36053515, 1984670465, 132825475081, 10583425959301, 988018789759871, 106673677280748860, 13172700275176483000, 1.8424287699706034e+21, 2.8940683294216006e+23, 5.0677793314733586e+25, 9.829328870566196e+27 ]
[ "nonn", "easy" ]
A113876
[ 1, 5, 13, 77, 205, 1229, 3277, 19661, 52429, 314573, 838861, 5033165, 13421773, 80530637, 214748365, 1288490189, 3435973837, 20615843021, 54975581389, 329853488333, 879609302221, 5277655813325, 14073748835533, 84442493013197, 225179981368525, 1351079888211149 ]
[ "nonn", "easy" ]
A213726
[ 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 2, 0, 1, 1, 1, 0, 0, 1, 2, 0, 1, 1, 3, 0, 1, 2, 0, 1, 1, 1, 1, 0, 0, 1, 2, 0, 1, 1, 3, 0, 1, 2, 0, 1, 1, 1, 0, 4, 1, 0, 3, 1, 1, 0, 2, 1, 2, 0, 1, 1, 1, 1, 1, 0...
[ "nonn", "base" ]
A279245
[ 1, 2, 4, 6, 12, 20, 40, 64, 128, 208, 416, 672, 1344, 2176, 4352, 7040, 14080, 22784, 45568, 73728, 147456, 238592, 477184, 772096, 1544192, 2498560, 4997120, 8085504, 16171008, 26165248, 52330496, 84672512, 169345024, 274006016, 548012032, 88670...
[ "nonn", "easy" ]
A284124
[ 0, 0, 0, 1, 2, 0, 3, 2, 0, 4, 2, 0, 4, 0, 0, 1, 8, 6, 10, 8, 0, 4, 8, 0, 2, 6, 12, 0, 4, 8, 4, 9, 13, 16, 14, 11, 8, 20, 9, 6, 3, 7, 4, 8, 12, 16, 20, 0, 4, 0, 24, 12, 4, 6, 10, 0, 4, 22, 12, 16, ...
[ "nonn", "look" ]
A100157
[ 1, 14, 55, 140, 285, 506, 819, 1240, 1785, 2470, 3311, 4324, 5525, 6930, 8555, 10416, 12529, 14910, 17575, 20540, 23821, 27434, 31395, 35720, 40425, 45526, 51039, 56980, 63365, 70210, 77531, 85344, 93665, 102510, 111895, 121836, 132349, 14345...
[ "easy", "nonn" ]
A007607
[ 2, 3, 7, 8, 9, 10, 16, 17, 18, 19, 20, 21, 29, 30, 31, 32, 33, 34, 35, 36, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, ...
[ "nonn", "easy", "tabf" ]
A176438
[ 7, 1, 6, 2, 8, 7, 6, 8, 2, 9, 3, 0, 5, 9, 8, 5, 0, 9, 4, 5, 3, 3, 6, 0, 5, 9, 7, 6, 8, 1, 5, 9, 2, 5, 1, 5, 2, 7, 5, 2, 6, 5, 4, 2, 9, 5, 0, 3, 3, 2, 1, 9, 4, 2, 6, 9, 6, 6, 3, 4, 7, 9, 9, 8...
[ "cons", "nonn" ]
A064023
[ 2, 347, 5861, 225461, 55541, 4583, 4457, 117883, 15559, 151687, 0, 155383, 0, 5857, 118589, 126487, 0, 4789, 0, 134587, 7687, 0, 0, 25867, 165457, 0, 34759, 182687, 0, 38557, 0, 44587, 0, 0, 45757, 25889, 0, 0, 0, 244567, 0, 148667, ...
[ "nonn", "base" ]
A331561
[ 1, 2, 3, 4, 5, 6, 12563124891, 115233863842, 123858133813, 363254652118, 1324658354423, 1511864334458, 1825693128524, 2321856215149, 2632654133853, 3146626254542, 3521445321466, 12462982162122, 12496523158865, 13129883155583, 13443165514365, 14213435966581 ]
[ "nonn", "base" ]
A111648
[ 3, 83, 2811, 95483, 3243603, 110187011, 3743114763, 127155714923, 4319551192611, 146737584833843, 4984758333158043, 169335045742539620, 5752406796913189000, 195412496049305880000 ]
[ "nonn", "easy" ]
A083115
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 111, 121, 131, 141, 151, 161, 171, 191, 212, 222, 313, 1111, 1221, 1331, 2112, 3113, 11111, 11211, 11311, 11411, 11511, 11711, 12121, 12221, 13131, 21112, 21212, 31113, 111111, 112211, 121121 ]
[ "base", "nonn" ]
A279071
[ 1, 2, 3, 4, 7, 11, 13, 14, 17, 19, 22, 23, 26, 29, 31, 34, 37, 38, 41, 43, 46, 47, 53, 58, 59, 61, 62, 67, 71, 73, 74, 79, 82, 83, 86, 89, 94, 97, 101, 103, 106, 107, 109, 113, 118, 122, 127, 131, 134, 137, 139, 14...
[ "nonn" ]
A145278
[ 6, 12, 20, 24, 35, 56, 60, 72, 90, 110, 120, 140, 143, 182, 210, 240, 272, 280, 306, 342, 399, 420, 462, 504, 506, 575, 650, 702, 720, 756, 812, 840, 870, 930, 990, 992, 1056, 1120, 1122, 1224, 1332, 1406, 1430, 1482, 1560, 16...
[ "nonn" ]
A070825
[ 1, 1, 3, 12, 84, 924, 16632, 482328, 22669416, 1722875616, 211913700768, 42170826452832, 13579006117811904, 7074662187380002000, 5.963940223961342e+21, 8.13481446548327e+24, 1.7953535525321577e+28, 6.411207536092335e+31, 3.7043957143541515e+35 ]
[ "nonn", "easy" ]
A175596
[ 1, 3, 9, 54, 162, 1458, 4374, 43740, 262440, 2361960, 7085880, 127545840, 382637520, 3443737680, 30993639120, 464904586800, 1394713760400, 25104847687200, 75314543061600, 1355661775108800, 12200955975979200, 109808603783812800, 329425811351438400, 9882774340543152000, ...
[ "nonn", "changed" ]
A266236
[ 1, 7, 91, 37, 4291, 16003, 1801, 17, 263683, 19927, 1003003, 1775557, 111169, 506115, 17145, 423001, 16789507, 24152311, 1261657, 3266062, 64024003, 5080, 113411851, 148072393, 7082497, 244187503, 1922636, 14355469, 3132736, 594896491, 27009001, 8341522,...
[ "nonn" ]
A093739
[ 0, 1, 15, 101, 773, 5569, 42352, 334180, 2695109, 22160841, 185402143, 1573331564, 13515180171, 117333792953, 1028087693781, 9081524454631, 80799078096971, 723494891844589 ]
[ "nonn", "more" ]
A389766
[ 2, 664, 146510, 31197434, 6798881226, 1567979086356, 390673279156006, 106280659533411300, 31714093249071903000 ]
[ "nonn", "more" ]
A035421
[ 1, 3, 5, 8, 13, 20, 22, 31, 33, 46, 48, 50, 68, 70, 72, 98, 100, 102, 105, 140, 142, 144, 147, 196, 198, 200, 203, 208, 217, 273, 275, 277, 280, 285, 294, 374, 376, 378, 381, 386, 393, 395, 406, 509, 511, 513, 516, 521, ...
[ "nonn" ]
A000875
[ 4, 21, 2914, 4379140552, 1.228116590022674e+23, 8.108442015164298e+50 ]
[ "nonn" ]
A217080
[ 24, 45, 60, 165, 235, 272, 285, 298, 307, 381, 416, 429, 623, 799, 858, 924, 929, 936, 1034, 1067, 1076, 1130, 1223, 1243, 1327, 1488, 1592, 1594, 1659, 1673, 1676, 1678, 1762, 1873, 1917, 1928, 1997, 2110, 2117, 2141, 2166, 2231, 2...
[ "nonn" ]
A187702
[ 64, 8272, 322, 81456, 530, 230446 ]
[ "nonn" ]
A387419
[ 1, 3, 4, 7, 15, 31, 40, 63, 127, 255, 511, 639, 1023, 2047, 2175, 2431, 4095, 5247, 8191, 14335, 16383, 32767, 40959, 44031, 57855, 65535, 90111, 131071, 204799, 262143, 376831, 524287, 923647, 1048575, 1632255, 2056191, 2097151, 2621439, 2...
[ "nonn" ]
A040607
[ 25, 6, 3, 1, 2, 2, 1, 1, 2, 16, 2, 1, 1, 2, 2, 1, 3, 6, 50, 6, 3, 1, 2, 2, 1, 1, 2, 16, 2, 1, 1, 2, 2, 1, 3, 6, 50, 6, 3, 1, 2, 2, 1, 1, 2, 16, 2, 1, 1, 2, 2, 1, 3, 6, 50, 6, 3, 1, 2, 2, 1, 1, ...
[ "nonn", "cofr", "easy" ]
A277796
[ 1, 1, 1, 1, 2, 3, 6, 11, 23, 47, 105, 231, 537 ]
[ "dead" ]
A304047
[ 1, 30, 52, 166, 369, 20369, 35504 ]
[ "nonn", "more" ]
A280839
[ 1, 3, 6, 15, 26, 63, 106, 255, 426, 1023, 1710, 4091, 6820, 16382, 27307, 65532, 109226, 262143, 437992, 1047480, 1746024, 4193944, 6990824, 16776408, 27962088, 67108824, 112126184, 268155096, 446982376, 1073658072, 1789651176, 4294719704, 7158245608 ]
[ "nonn", "easy" ]
A307517
[ 12, 20, 24, 28, 30, 36, 40, 42, 44, 45, 48, 52, 56, 60, 63, 66, 68, 70, 72, 76, 78, 80, 84, 88, 90, 92, 96, 99, 100, 102, 104, 105, 108, 110, 112, 114, 116, 117, 120, 124, 126, 130, 132, 135, 136, 138, 140, 144, 148, 1...
[ "nonn" ]
A092804
[ 1, 10, 0, 1000, 10000, 0, 1000000, 10000000, 0, 1000000000, 10000000000, 0, 1000000000000, 10000000000000, 0, 1000000000000000, 10000000000000000, 0, 1000000000000000000, 10000000000000000000, 0, 1e+21 ]
[ "easy", "nonn" ]
A167967
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1...
[ "nonn" ]
A247377
[ 2, 2, 6, 6, 5, 3, 4, 5, 0, 7, 6, 9, 9, 8, 4, 8, 8, 3, 5, 0, 7, 1, 9, 6, 3, 8, 5, 7, 6, 7, 8, 2, 2, 0, 9, 1, 8, 4, 0, 8, 8, 2, 9, 7, 1, 4, 2, 8, 0, 2, 2, 2, 1, 9, 3, 8, 6, 1, 0, 9, 3, 5, 5, 4...
[ "nonn", "cons" ]
A109260
[ 2, 5, 7, 10, 12, 15, 18, 20, 23, 25, 28, 30, 33, 36, 38, 41, 43, 46, 49, 51, 54, 56, 59, 61, 64, 67, 69, 72, 74, 77, 80, 82, 85, 87, 90, 92, 95, 98, 100, 103, 105, 108, 110, 113, 116, 118, 121, 123, 126, 129, 131, ...
[ "nonn" ]
A015788
[ 65, 88, 104, 127, 184, 189, 232, 248, 328, 344, 424, 568, 584, 632, 664, 872, 1192, 1208, 1247, 1544, 1592, 1688, 1864, 2008, 2104, 2152, 2264, 2648, 2792, 2824, 3032, 3112, 3208, 3352, 3448, 3681, 3688, 3992, 4168, 4328, 4504, 4552 ]
[ "nonn" ]
A068924
[ 6, 3, 2, 2, 4, 4, 6, 8, 10, 14, 18, 24, 32, 42, 56, 74, 98, 130, 172, 228, 302, 400, 530, 702, 930, 1232, 1632, 2162, 2864, 3794, 5026, 6658, 8820, 11684, 15478, 20504, 27162, 35982, 47666, 63144, 83648, 110810, 146792, 194458, ...
[ "easy", "nonn" ]
A208489
[ 1253608, 414522184, 140051200968, 47661128330328, 16261866249456960, 5553852092522802000, 1.8974704165458603e+21, 6.483581156440671e+23, 2.2155286102428702e+26, 7.570914197327672e+28 ]
[ "nonn" ]
A029778
[ 0, 1, 10, 100, 1000, 10000, 100000, 106239, 107624, 109573, 121894, 126045, 126540, 132485, 132654, 136825, 138624, 159406, 165640, 192574, 203198, 205738, 215806, 251894, 281306, 281536, 318725, 419375, 427863, 568314 ]
[ "nonn", "base" ]
A067297
[ 1, 2, 9, 64, 584, 6144, 70576, 859520, 10909440, 142773760, 1913027840, 26115182592, 361936623616, 5079287545856, 72033971859456, 1030768222437376, 14864066521333760, 215791593346695170 ]
[ "nonn", "easy" ]
A011894
[ 0, 0, 0, 0, 2, 5, 10, 17, 28, 42, 60, 82, 110, 143, 182, 227, 280, 340, 408, 484, 570, 665, 770, 885, 1012, 1150, 1300, 1462, 1638, 1827, 2030, 2247, 2480, 2728, 2992, 3272, 3570, 3885, 4218, 4569, 4940, 5330, 5740, 6170, 6622, ...
[ "nonn", "easy", "changed" ]
A039244
[ 0, 1, 2, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 28, 29, 30, 31, 32, 34, 35, 45, 48, 49, 50, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 70, 71, 72, 73, 74, ...
[ "nonn", "base", "easy" ]
A112793
[ 1, 1, 2, 4, 4, 0, 6, 15, 21, 18, 20, 31, 38, 58, 32, 52, 64, 56, 54, 63, 68, 88, 121, 169, 75, 177, 165, 179, 197, 222, 105, 253, 234, 280, 164, 275, 359, 454, 258, 269, 258, 474, 252, 740, 269, 463, 466, 716, 335, 794...
[ "nonn" ]
A345672
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1, 13, 14, 15, 16, 17, 18, 19, 20, 12, 22, 2, 24, 25, 26, 27, 28, 29, 30, 13, 23, 33, 3, 35, 36, 37, 38, 39, 40, 14, 24, 34, 44, 4, 46, 47, 48, 49, 50, 15, 25, 35, 45, ...
[ "nonn", "base" ]
A171553
[ 11, 191, 10901, 1009001, 100090001, 10000900001, 1000009000001, 100000090000001, 10000000900000000, 1000000009000000000, 100000000090000000000, 1.00000000009e+22, 1.000000000009e+24, 1.0000000000009e+26, 1.00000000000009e+28 ]
[ "easy", "nonn" ]
A080674
[ 0, 4, 20, 84, 340, 1364, 5460, 21844, 87380, 349524, 1398100, 5592404, 22369620, 89478484, 357913940, 1431655764, 5726623060, 22906492244, 91625968980, 366503875924, 1466015503700, 5864062014804, 23456248059220, 93824992236884, 375299968947540, 1501199875790164 ]
[ "nonn", "easy" ]
A252693
[ 1982, 2719, 881, 6246, 4138, 18940, 25382, 82842, 168598, 474106, 1144322, 3060306, 7815922, 20586466, 53494154, 140277762, 366408034, 959644570, 2510532578, 6573087906, 17204221018, 45040796194, 117907050914, 308678604858 ]
[ "nonn" ]
A366337
[ 4, 36, 500, 8364, 155300, 3082380, 64078548, 1378247117 ]
[ "nonn", "hard", "more" ]
A192314
[ 0, 1, 3, 21, 207, 5559, 299599, 33562695, 7635498335, 3518440564543, 3275345183542207, 6148914696963884000, 2.3248573454127485e+22, 1.7684857704080884e+26, 2.7043212804868894e+30, 8.307674973655724e+34, 5.1242521136329556e+39, 6.343323078693155e+44, 1.5753449227650995e+50 ]
[ "nonn" ]
A066232
[ 195, 3531, 9339, 27231, 46795, 78183, 90195, 112995, 135015, 437185, 849405, 935221, 1078581, 1283601, 1986975, 2209585, 2341185, 2411175, 2689695, 2744145, 3619071, 3712545, 4738185, 5132985, 6596121, 7829031, 8184715, 12176109 ]
[ "nonn" ]
A214499
[ 1, 1, 4, 4, 1, 1, 2, 3, 4, 6, 4, 6, 4, 11, 3, 10, 6, 9, 4, 18, 30, 16, 8, 29, 5, 32, 21, 15, 45, 5, 97, 10, 36, 3, 33, 35, 55, 20, 54, 25, 30, 30, 36, 8, 38, 30, 16, 6, 3, 20, 10, 35, 36, 2, 84, 20, 52, ...
[ "nonn" ]
A105544
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[ "nonn" ]
A238566
[ 0, 1, 41, 44652, 1965803130, 4223556692359571, 4.90686876939554e+23, 3.2993621718120317e+33, 1.3478164106525738e+45, 3.4687845413783596e+58 ]
[ "nonn" ]
A044243
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[ "nonn", "base" ]
A167712
[ 1, 12, 38, 1291, 10541, 57735, 364585, 1197219, 50820359, 169640142, 298142397, 4472135955, 1490711985, 2185812841434 ]
[ "base", "nonn", "more" ]
A068802
[ 0, 1, 4, 9, 16, 25, 36, 64, 196, 361, 484, 841, 1936, 5929, 8836, 69696, 1999396, 29997529 ]
[ "base", "fini", "full", "nonn" ]
A014207
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[ "sign", "easy" ]
A287820
[ 0, 1, 1, 2, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 3, 1, 2, 2, 2, 3, 3, 3, 1, 4, 2, 2, 2, 3, 3, 3, 3, 4, 1, 4, 2, 2, 2, 2, 3, 3, 3, 3, 4, 3, 1, 4, 4, 4, 2, 2, 2, 5, 2, 3, 3, 3, 3, 3, 3, 4, 3, 1, 4, 4...
[ "nonn", "easy", "look" ]
A066905
[ 0, 1, 16, 9, 9, 4, 16, 16, 16, 9, 9, 9, 25, 25, 25, 25, 25, 100, 121, 36, 36, 36, 36, 49, 16, 16, 16, 16, 16, 16, 16, 16, 81, 81, 9, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 100, 100, 100, 25, 144, 25, 100, 25, ...
[ "nonn" ]
A276241
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[ "nonn", "base", "fini", "easy" ]
A134862
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[ "nonn" ]
A025900
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[ "nonn", "easy" ]
A027806
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[ "nonn", "easy" ]
A077810
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[ "nonn", "base" ]
A246461
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[ "nonn" ]
A212917
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[ "nonn", "changed" ]
A268689
[ 0, 0, 0, 0, 4, 14, 94, 510 ]
[ "nonn", "hard" ]
A140500
[ 1, 1, -2, 2, -1, -1, 1, -2, 1, -1, -1, 2, -2, 1, 1, -1, 2, -1, 1, 1, -2, 2, -1, -1, 1, -2, 1, -1, -1, 2, -2, 1, 1, -1, 2, -1, 1, 1, -2, 2, -1, -1, 1, -2, 1, -1, -1, 2, -2, 1, 1, -1, 2, -1, 1, 1, -2, 2, ...
[ "sign", "easy", "less" ]
A101220
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[ "nonn", "easy" ]
A013456
[ 1, 0, 0, 0, 0, -8, 0, -448, 0, -32384, 8064, -3275008, 2838528, -456633344, 863070208, -85339110400, 280413765632, -20783183790080, 103486230003712, -6429447050002432, 44250652523855870 ]
[ "sign" ]
A337600
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[ "nonn" ]
A248343
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[ "nonn", "easy" ]
A001109
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[ "nonn", "easy", "nice", "changed" ]
A278468
[ 1, 0, 1, 12, 1, 60, 1, 252, 9, 992, 15, 4064, 15, 16356, 1, 65532, 201, 261632, 255, 1048140, 1, 4194300, 857, 16775296, 703, 67107280, 167, 268435104, 7631, 1073726084, 6449, 4294950916, 8181, 17179856200, 3, 68719476728, 3443, 274877899424,...
[ "nonn", "easy" ]
A003325
[ 2, 9, 16, 28, 35, 54, 65, 72, 91, 126, 128, 133, 152, 189, 217, 224, 243, 250, 280, 341, 344, 351, 370, 407, 432, 468, 513, 520, 539, 559, 576, 637, 686, 728, 730, 737, 756, 793, 854, 855, 945, 1001, 1008, 1024, 1027, 1064, ...
[ "nonn", "easy", "nice", "changed" ]
A119541
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[ "nonn" ]
A315738
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[ "nonn" ]
A344742
[ 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 25, 26, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 57, 58, 59, 60, 61, 62, 63, ...
[ "nonn" ]
A362632
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[ "nonn", "easy", "mult" ]
A334865
[ 0, 1, 3, 2, 15, 7, 255, 5, 6, 31, 65535, 11, 4294967295, 511, 63, 4, 18446744073709552000, 13, 3.402823669209385e+38, 47, 1023, 131071, 1.157920892373162e+77, 23, 30, 8589934591, 27, 767 ]
[ "nonn" ]
A096797
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[ "sign", "tabl" ]
A023293
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[ "nonn" ]