id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A147530
[ 51721, 6641322533431006, 8.527820150752578e+26, 1.0950185924189944e+38, 1.4060635620199598e+49, 1.8054622580177877e+60 ]
[ "nonn", "easy" ]
A239971
[ 8, 4, 10, 16, 22, 6, 34, 40, 14, 52, 58, 8, 16, 76, 82, 24, 94, 100, 106, 10, 23, 124, 20, 136, 142, 25, 36, 160, 22, 12, 178, 184, 55, 46, 202, 208, 54, 220, 226, 34, 56, 14, 26, 31, 262, 36, 274, 66, 49, 89, 28, 304, 65, 316, 76, 16, 48, 84, 346, 352, 358, 86, 50, 376 ]
[ "nonn" ]
A168389
[ 1, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 9, 10, 11, 11, 12, 12, 13, 14, 14, 15, 15, 16, 16, 17, 18, 18, 19, 19, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 27, 27, 28, 29, 29, 30, 30, 31, 31, 32, 32, 33, 34, 34, 35, 36, 36, 37, 37, 38, 38, 39, 39, 40, 40, 41, 42, 42, 43, 44, 44, 45 ]
[ "nonn" ]
A105743
[ 1, 10, 11, 6, 5, 1, 4, 5, 6, 8, 8, 6, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2 ]
[ "nonn" ]
A310009
[ 1, 3, 4, 8, 10, 15, 19, 24, 20, 26, 28, 28, 37, 39, 42, 46, 50, 47, 54, 49, 52, 66, 68, 65, 71, 82, 76, 74, 72, 86, 91, 91, 90, 102, 110, 97, 100, 101, 112, 114, 122, 115, 129, 138, 120, 126, 128, 138, 139, 151 ]
[ "nonn" ]
A055850
[ 1, 10, 29, 77, 202, 529, 1385, 3626, 9493, 24853, 65066, 170345, 445969, 1167562, 3056717, 8002589, 20951050, 54850561, 143600633, 375951338, 984253381, 2576808805, 6746173034, 17661710297, 46238957857, 121055163274 ]
[ "easy", "nonn" ]
A040041
[ 6, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1 ]
[ "nonn", "cofr", "easy", "mult" ]
A091242
[ 4, 5, 6, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 71, 72, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 88 ]
[ "nonn" ]
A064283
[ 3, 6, 27, 38, 83, 167, 248, 227, 488, 398, 887, 668, 902, 908, 1238, 2012, 1448, 1748, 1592, 2537, 2672, 3902, 4457, 4703, 3632, 3713, 5843, 6233, 7052, 8333, 5297, 8888, 9602, 9092, 6368, 9908, 13187, 8153, 12473, 8777, 15923, 16463, 14528, 14852, 20807 ]
[ "nonn" ]
A368775
[ 1, 3, 37, 1333, 106641, 15996151, 4031030053, 1580163780777, 910174337727553, 737241213559317900, 810965334915249700000, 1.1775216662969426e+24, 2.2043205593078765e+27, 5.215422443322436e+30 ]
[ "nonn" ]
A358561
[ 4, 4, 8, 2, 8, 8, 3, 5, 7, 3, 5, 3, 8, 2, 6, 3, 5, 7, 9, 1, 4, 8, 2, 3, 7, 1, 0, 3, 9, 8, 8, 2, 8, 3, 9, 0, 8, 6, 6, 2, 2, 6, 7, 9, 9, 2, 1, 2, 2, 6, 2, 0, 6, 1, 0, 8, 2, 8, 0, 8, 7, 7, 8, 3, 7, 2, 3, 3, 0, 7, 5, 5, 0, 0, 9, 7, 8, 0, 6, 4, 7, 1, 8, 5, 0, 4 ]
[ "cons", "nonn" ]
A070601
[ 0, 1, 15, 5, 4, 14, 7, 11, 9, 8, 6, 10, 3, 13, 12, 2, 16, 0, 1, 15, 5, 4, 14, 7, 11, 9, 8, 6, 10, 3, 13, 12, 2, 16, 0, 1, 15, 5, 4, 14, 7, 11, 9, 8, 6, 10, 3, 13, 12, 2, 16, 0, 1, 15, 5, 4, 14, 7, 11, 9, 8, 6, 10, 3, 13, 12, 2, 16, 0, 1, 15, 5, 4, 14, 7, 11, 9, 8, 6, 10, 3, 13, 12, 2, 16, 0, 1 ]
[ "nonn", "easy" ]
A213555
[ 1, 10, 2, 46, 19, 3, 146, 82, 28, 4, 371, 246, 118, 37, 5, 812, 596, 346, 154, 46, 6, 1596, 1253, 821, 446, 190, 55, 7, 2892, 2380, 1694, 1046, 546, 226, 64, 8, 4917, 4188, 3164, 2135, 1271, 646, 262, 73, 9, 7942, 6942, 5484, 3948, 2576, 1496, 746 ]
[ "nonn", "tabl", "easy" ]
A055229
[ 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1 ]
[ "nice", "nonn", "mult" ]
A287473
[ 1, 10, 136, 630, 2016, 7875, 9180, 18915, 32896, 37128, 46056, 58311, 66430, 103740, 131841, 198135, 225456, 301476, 323610, 332520, 408156, 499500, 738720, 786885, 839160, 862641, 922761, 924120, 1065070, 1079715, 1183491, 1385280, 1851850, 1906128, 1925703 ]
[ "nonn" ]
A101782
[ 5, 7, 13, 31, 73, 151, 181, 199, 313, 1021, 1033, 1153, 1231, 1279, 1321, 1429, 1453, 1669, 1723, 1789, 1879, 1933, 3121, 3169, 3301, 3373, 3391, 3463, 3469, 3541, 3583, 3853, 7459, 7561, 7879, 7951, 9001, 9013, 9241, 9421, 9439, 9679, 9721, 9769, 9931 ]
[ "easy", "nonn", "base" ]
A274274
[ 1, 2, 2, 1, 1, 2, 1, 0, 2, 3, 3, 1, 1, 2, 1, 0, 2, 3, 3, 1, 1, 2, 0, 0, 1, 3, 4, 2, 2, 2, 1, 1, 2, 3, 2, 2, 2, 4, 1, 0, 3, 2, 2, 1, 2, 3, 1, 1, 1, 2, 3, 2, 3, 4, 1, 0, 1, 1, 3, 2, 1, 3, 1, 1, 3, 4, 4, 1, 3, 3, 0, 0, 4, 5, 3, 1, 2, 3, 0, 1, 4 ]
[ "nonn" ]
A210033
[ 1, 3, 6, 1, 11, 3, 1, 19, 8, 3, 1, 32, 18, 9, 3, 1, 53, 38, 22, 10, 3, 1, 87, 76, 51, 26, 11, 3, 1, 142, 147, 111, 65, 30, 12, 3, 1, 231, 277, 233, 151, 80, 34, 13, 3, 1, 375, 512, 474, 338, 196, 96, 38, 14, 3, 1, 608, 932, 942, 730, 463, 246, 113, 42, 15, 3, 1 ]
[ "nonn", "tabf" ]
A141132
[ 1, 2, 36, 576, 1492, 4512, 8110, 14778, 18222, 26416, 41452, 51576, 71740, 87552, 96352, 111372, 135660, 167106, 172152, 218550, 238990, 250252, 284148, 317856, 351706, 400408, 441478, 463398, 490246, 505780, 527280, 643990, 679036, 718182 ]
[ "nonn" ]
A013737
[ 25, 3125, 390625, 48828125, 6103515625, 762939453125, 95367431640625, 11920928955078124, 1490116119384765700, 186264514923095700000, 2.3283064365386964e+22, 2.9103830456733703e+24, 3.637978807091713e+26, 4.547473508864641e+28, 5.684341886080802e+30 ]
[ "nonn", "easy" ]
A214330
[ 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0 ]
[ "nonn" ]
A360341
[ 1, 10, 285, 14240, 1036225, 99774720, 11995938325, 1732780710400, 292580972777025, 56581144474976000, 12335796889894263000, 2.994228576573719e+21, 8.009304048879378e+23, 2.341130780320843e+26, 7.424847978353897e+28, 2.539478613964723e+31 ]
[ "nonn" ]
A334829
[ 1, 11, 23, 46, 91, 374, 6506, 8801, 53076, 18777, 18533, 73109, 16428, 95371, 117992, 133632, 516246, 4987805, 50405105, 539291005, 896961101, 4362521065, 2594821666, 9573427311, 21682489773, 12559170843, 42416606165, 49757770089, 21743762547, 15015326363, 67590889108, 26062154719, 36530438276, 25925929956 ]
[ "base", "nonn" ]
A215729
[ 0, 5, 5, 115, 226, 371, 1503, 8533, 27717, 27717, 69936, 848255, 1308931, 8255246, 32564822, 39063403 ]
[ "nonn", "base", "more", "hard" ]
A029372
[ 1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 1, 1, 2, 0, 1, 1, 3, 0, 2, 2, 4, 1, 3, 2, 5, 1, 4, 3, 6, 2, 6, 4, 8, 3, 7, 5, 9, 4, 9, 6, 12, 6, 11, 8, 14, 7, 13, 9, 17, 9, 16, 12, 20, 11, 19, 14, 23, 13, 22, 17, 27, 16, 26, 20, 31, 19, 30, 23, 35 ]
[ "nonn", "easy" ]
A387684
[ 1, 405, 2601, 8125, 18513, 35301, 60025, 94221, 139425, 197173, 269001, 356445, 461041, 584325, 727833, 893101, 1081665, 1295061, 1534825, 1802493, 2099601, 2427685, 2788281, 3182925, 3613153, 4080501, 4586505, 5132701, 5720625, 6351813, 7027801, 7750125 ]
[ "nonn", "easy" ]
A029721
[ 1, 0, 0, 20, 30, 24, 60, 60, 60, 120, 144, 240, 200, 120, 300, 380, 390, 240, 400, 720, 534, 600, 480, 780, 1020, 648, 1200, 1080, 840, 960, 1260, 1920, 1020, 960, 1920, 2100, 2250, 1080, 1440, 3360, 2244, 2040, 2320, 2340, 3120, 2304, 3180, 2940, 2840, 3000 ]
[ "nonn" ]
A390183
[ 1, 1, 3, 34, 341, 4896, 84487, 1733824, 41491305, 1131764608, 34739548811, 1185192463104, 44509350865597, 1825027417059328, 81140697689286160, 3888550140768035000, 199842243344318760000, 1.0964517344129359e+22, 6.397021867399562e+23 ]
[ "nonn" ]
A102074
[ 3, 3, 63, 9, 11, 63, 63, 9, 3591, 693, 2277, 189, 189, 21, 7161, 77, 21, 3591, 171, 99, 625779, 47817, 68103, 1323, 297, 297, 16929, 171, 531, 64449, 64449, 99, 3203739, 4347, 147609, 118503, 39501, 39501, 44793, 891, 913, 208593, 29799, 15939 ]
[ "nonn", "frac" ]
A166561
[ 2, 11, 13, 19, 31, 37, 73, 79, 97, 101, 103, 109, 127, 163, 181, 211, 271, 277, 307, 349, 367, 433, 439, 457, 499, 523, 541, 547, 613, 619, 631, 673, 691, 709, 727, 769, 787, 811, 853, 859, 877, 907, 967, 1009 ]
[ "nonn", "base" ]
A273981
[ 1, 4, 26, 56, 98, 152, 218, 296, 386, 488, 602, 728, 866, 1016, 1178, 1352, 1538, 1736, 1946, 2168, 2402, 2648, 2906, 3176, 3458, 3752, 4058, 4376, 4706, 5048, 5402, 5768, 6146, 6536, 6938, 7352, 7778, 8216, 8666, 9128, 9602, 10088 ]
[ "dead" ]
A383321
[ 0, 1, 5, 433494437, 2, 3, 34, 701408733, 24157817, 1, 3524578, 7.493865866114243e+97, 8.105590009602351e+28, 21, 13 ]
[ "nonn", "base" ]
A085381
[ 22, 49, 50, 62, 68, 69, 75, 81, 82, 87, 91, 94, 95, 98, 99, 106, 116, 119, 121, 122, 133, 134, 142, 146, 154, 159, 169, 182, 183, 187, 202, 213, 214, 217, 218, 225, 226, 243, 247, 249, 253, 259, 262, 265, 268, 273, 274, 279, 287, 292, 299, 301, 302, 303 ]
[ "nonn" ]
A299647
[ 3, 8, 14, 19, 25, 30, 36, 41, 47, 52, 58, 63, 69, 74, 80, 85, 91, 96, 102, 107, 113, 118, 124, 129, 135, 140, 146, 151, 157, 162, 168, 173, 179, 184, 190, 195, 201, 206, 212, 217, 223, 228, 234, 239, 245, 250, 256, 261, 267, 272, 278, 283, 289, 294, 300, 305, 311, 316 ]
[ "nonn", "easy" ]
A381367
[ 43252003274489860000, 1.756772880709136e+120 ]
[ "nonn" ]
A346644
[ 1, 2, 4, 8, 16, 450, 64, 128, 36, 162, 1024, 1800, 4096, 1458, 144, 32768, 65536, 54450, 262144, 405000, 576, 118098, 4194304, 28800, 1296, 1062882, 900, 5832, 268435456, 115200, 1073741824, 2147483648, 9216, 86093442, 5184, 217800, 68719476736, 774840978, 102400 ]
[ "nonn" ]
A160863
[ 1, 154, 2199, 13911, 57209, 179988, 471675, 1082509, 2246545, 4308382, 7753615, 13243011, 21650409, 34104344, 52033395, 77215257, 111829537, 158514274, 220426183, 301304623, 405539289, 538241628, 705319979, 913558437, 1170699441 ]
[ "nonn", "easy" ]
A359868
[ 13, 11, 19, 107, 101, 257, 467, 173, 167, 1601, 719, 701, 347, 569, 929, 1931, 479, 467, 719, 1163, 683, 1613, 2843, 941, 1997, 1307, 1907, 2549, 1823, 6869, 2957, 1487, 2141, 2777, 1931, 1823, 1811, 4253, 2273, 4877, 5711, 2663, 7673, 5081, 4871, 4799, 4643 ]
[ "nonn" ]
A043613
[ 1333, 1334, 1335, 1336, 1337, 1344, 1345, 1347, 1348, 1349, 1350, 1351, 1352, 1354, 1355, 1356, 1357, 1358, 1359, 1361, 1362, 1363, 1364, 1365, 1366, 1369, 1370, 1371, 1372, 1373, 1374, 1376, 1377, 1378, 1379, 1386 ]
[ "nonn", "base" ]
A288704
[ 1, 2, 3, 14, 3, 60, 15, 248, 15, 1016, 15, 4088, 15, 16376, 255, 65438, 243, 262046, 243, 1048476, 127, 4194200, 255, 16776966, 1019, 67108358, 1019, 268434622, 963, 1073740862, 62463, 4294942080, 63231, 17179838896, 63183, 68719471926, 53979, 274877902182 ]
[ "nonn", "easy" ]
A059130
[ 1, 2, 1, 3, 1, 2, 1, 2, 3, 2, 4, 2, 3, 2, 1, 2, 1, 3, 1, 2, 1, 3, 4, 3, 5, 3, 4, 3, 1, 2, 1, 3, 1, 2, 1, 2, 3, 2, 4, 2, 3, 2, 1, 2, 1, 3, 1, 2, 1, 4, 5, 4, 6, 4, 5, 4, 1, 2, 1, 3, 1, 2, 1, 2, 3, 2, 4, 2, 3, 2, 1, 2, 1, 3, 1, 2, 1, 3, 4, 3, 5, 3, 4, 3, 1, 2, 1, 3, 1, 2, 1, 2, 3, 2, 4, 2, 3, 2, 1, 2, 1, 3, 1, 2, 1 ]
[ "easy", "nonn" ]
A366319
[ 1, 2, 3, 5, 6, 7, 8, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 69, 71, 72, 73, 74, 75, 76 ]
[ "nonn" ]
A366936
[ -1, -1, -1, -1, 0, -3, -1, 2, -4, -2, -1, 6, -8, 1, -4, -1, 14, -22, 11, -5, -4, -1, 30, -68, 49, -15, -1, -6, -1, 62, -214, 203, -77, 15, -9, -4, -1, 126, -668, 841, -423, 119, -35, 4, -7, -1, 254, -2062, 3491, -2285, 807, -225, 48, -9, -7, -1, 510, -6308, 14449 ]
[ "sign", "tabl" ]
A000119
[ 1, 1, 1, 2, 1, 2, 2, 1, 3, 2, 2, 3, 1, 3, 3, 2, 4, 2, 3, 3, 1, 4, 3, 3, 5, 2, 4, 4, 2, 5, 3, 3, 4, 1, 4, 4, 3, 6, 3, 5, 5, 2, 6, 4, 4, 6, 2, 5, 5, 3, 6, 3, 4, 4, 1, 5, 4, 4, 7, 3, 6, 6, 3, 8, 5, 5, 7, 2, 6, 6, 4, 8, 4, 6, 6, 2, 7, 5, 5, 8, 3, 6, 6, 3, 7, 4, 4, 5, 1, 5, 5, 4, 8, 4, 7, 7, 3, 9, 6, 6, 9, 3, 8, 8, 5 ]
[ "nonn", "nice", "look" ]
A382180
[ 1, 1, 1, 1, 2, 4, 13, 42, 206, 1310, 12622, 180700, 3925282 ]
[ "nonn", "more" ]
A009461
[ 0, 1, -3, 7, -14, 15, 109, -1507, 14988, -146311, 1494945, -16290969, 190291542, -2382532633, 31911488361, -455996792755, 6931146231704, -111739259567727, 1905221401398053, -34267059287580760, 648529389183031300 ]
[ "sign", "easy" ]
A063835
[ 1, 5, 14, 51, 125, 429, 1039, 3258, 8254, 23554, 58934, 168803, 412177, 1114550, 2795446, 7345875, 18035424, 46875324, 114272057, 291692396, 709742614, 1774402071, 4290848175, 10672950659, 25572179792, 62670553073, 149978278320 ]
[ "nonn", "nice" ]
A292654
[ 1, 2, 4, 6, 7, 9, 11, 12, 14, 16, 18, 19, 21, 23, 24, 26, 28, 29, 31, 33, 34, 37, 38, 39, 41, 43, 44, 46, 48, 50, 51, 53, 55, 56, 58, 60, 61, 63, 65, 66, 69, 70, 71, 74, 75, 76, 78, 80, 82, 83, 85, 87, 88, 90, 92, 93, 95, 97, 98, 101, 102, 103, 106, 107, 108 ]
[ "nonn", "easy" ]
A285708
[ 1, 2, 3, 2, 5, 3, 7, 2, 3, 5, 11, 4, 13, 7, 5, 2, 17, 9, 19, 5, 7, 11, 23, 4, 5, 13, 3, 7, 29, 10, 31, 2, 11, 17, 7, 9, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 4, 7, 5, 17, 13, 53, 9, 11, 8, 19, 29, 59, 10, 61, 31, 9, 2, 13, 33, 67, 17, 23, 35, 71, 9, 73, 37, 5, 19, 11, 13, 79, 5, 3, 41, 83, 28, 17, 43, 29, 11, 89, 10, 13, 23, 31, 47, 19, 32, 97, 49, 11, 5 ]
[ "nonn" ]
A309527
[ 1, 2, 3, 5, 8, 10, 19, 27, 79, 198, 565, 787, 2183, 3811, 4748, 6210, 7887, 8965, 13303, 20125, 23433, 28797 ]
[ "nonn", "more", "hard", "less" ]
A163558
[ 1036, 1096, 1099, 1136, 1235, 1238, 1253, 1267, 1276, 1294, 1306, 1316, 1325, 1328, 1352, 1358, 1360, 1378, 1382, 1385, 1387, 1492, 1532, 1538, 1603, 1630, 1631, 1672, 1678, 1687, 1690, 1726, 1738, 1762, 1768, 1786, 1832, 1835, 1837, 1853, 1876, 1906 ]
[ "easy", "nonn", "base" ]
A305057
[ 5, -24, -12, -6, -3, 16, 8, 4, 2, 1, -4, -2, -1, 6, 3, -14, -7, 36, 18, 9, -44, -22, -11, 56, 28, 14, 7, -34, -17, 86, 43, -214, -107, 536, 268, 134, 67, -334, -167, 836, 418, 209, -1044, -522, -261, 1306, 653, -3264, -1632, -816, -408, -204, -102, -51, 256, 128, 64, 32, 16, 8, 4, 2, 1, -4 ]
[ "sign", "easy" ]
A357964
[ 1, 1, 1, 1, 13, 61, 181, 1261, 12601, 77113, 481321, 6102361, 63041221, 492260341, 6041807773, 87670198981, 945716793841, 11365316711281, 193962371184721, 2824572189001393, 36983289122143740, 658584258052917400, 12073641790111934000, 185876257572349700000 ]
[ "nonn" ]
A195942
[ 1, 4, 8, 9, 16, 25, 27, 32, 49, 64, 81, 121, 125, 128, 169, 243, 256, 289, 343, 361, 512, 529, 625, 729, 841, 961, 1331, 1369, 1681, 1849, 2187, 2197, 3125, 3481, 3721, 4489, 4913, 5329, 6241, 6561, 6859, 6889, 7921, 8192 ]
[ "nonn", "base", "easy" ]
A304844
[ 8, 24, 51, 132, 502, 1638, 4816, 15697, 51711, 162366, 515716, 1666971, 5329280, 16966976, 54361108, 174123735, 556206198, 1778536970, 5692126701, 18203527304, 58206977546, 186193045751, 595556243811, 1904654103039, 6091785970264 ]
[ "nonn" ]
A092910
[ 3, 4, 3, 3, 2, 3, 4, 3, 2, 4, 3, 2, 3, 3, 4, 3, 2, 4, 3, 3, 2, 3, 4, 2, 3, 4, 3, 2, 3, 3, 4, 3, 2, 4, 3, 3, 2, 3, 4, 3, 2, 4, 3, 2, 3, 3, 4, 2, 3, 4, 3, 3, 2, 3, 4, 2, 3, 4, 3, 2, 3, 3, 4, 3, 2, 4, 3, 3, 2, 3, 4, 3, 2, 4, 3, 2, 3, 3, 4, 3, 2, 4, 3, 3, 2, 3, 4, 2, 3, 4, 3, 2, 3, 3, 4, 2, 3, 4, 3, 3, 2, 3, 4, 3, 2 ]
[ "nonn" ]
A331828
[ 1, 2, 4, 6, 8, 12, 16, 18, 20, 24, 30, 32, 36, 40, 42, 48, 54, 60, 64, 72, 80, 84, 90, 96, 100, 108, 120, 126, 128, 140, 144, 150, 156, 160, 162, 168, 180, 192, 198, 200, 210, 216, 220, 240, 252, 256, 264, 270, 272, 280, 288, 294, 300, 312, 320, 324, 330, 336, 342, 360 ]
[ "nonn" ]
A039224
[ 0, 2, 3, 4, 5, 7, 8, 9, 10, 11, 18, 24, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 55, 56, 57, 58, 59, 60, 62, 63, 64, 65, 67, 68, 69, 70, 71, 73, 84, 86, 87, 88, 89, 91, 92, 93, 94, 95, 96, 98, 99, 100, 101, 103, 104 ]
[ "nonn", "base", "easy" ]
A122273
[ 5, 5, 7, 5, 5, 7 ]
[ "nonn", "more" ]
A381228
[ 1, 2, 3, 4, 4, 3, 10, 7, 7, 5, 5, 12, 12, 8, 8, 13, 13, 21, 36, 22, 22, 37, 14, 4, 9, 6, 6, 39, 39, 24, 24, 15, 15, 69, 41, 41, 25, 25, 42, 42, 72, 72, 10, 10, 43, 16, 16, 74, 128, 44, 44, 75, 130, 76, 76, 27, 27, 77, 77, 134, 134, 78, 46, 46, 17, 17, 79, 79, 28 ]
[ "nonn" ]
A035815
[ 1, 120, 7200, 288040, 8644800, 207648024, 4158723680, 71440725960, 1074729932160, 14385297437880, 173483353200288, 1904315460088680, 19187724061887040, 178728796729801570, 1548407735451345200 ]
[ "nonn" ]
A078609
[ 8, 12, 16, 21, 25, 29, 34, 38, 42, 47, 51, 55, 60, 64, 68, 73, 77, 81, 86, 90, 94, 99, 103, 107, 112, 116, 120, 125, 129, 133, 138, 142, 146, 150, 155, 159, 163, 168, 172, 176, 181, 185, 189, 194, 198, 202, 207, 211, 215, 220, 224, 228, 233, 237, 241, 246, 250 ]
[ "nonn" ]
A367032
[ 1, 1, 1, -2, -17, -57, -72, 386, 3007, 10239, 9205, -111000, -761932, -2419388, -810428, 36696186, 223335951, 638716047, -268768549, -12961722498, -70517888953, -176288334833, 256285732480, 4745735309240, 23204309443908, 48765510266948, -144850760459972 ]
[ "sign" ]
A290932
[ 1, 1, 5, 40, 431, 5886, 96817, 1862890, 41043375, 1018584610, 28108489541, 853617865134, 28287119604955, 1015630741097350, 39273014068691144, 1627118268024495600, 71904849762914850000, 3.3759593418152073e+21, 1.6781040594736753e+23, 8.803814897608815e+24 ]
[ "nonn" ]
A352482
[ 1, 1, 6, 12, 10, 12, 14, 8, 9, 20, 22, 12, 26, 28, 60, 80, 34, 9, 38, 60, 84, 44, 46, 12, 75, 52, 108, 84, 58, 120, 62, 96, 132, 68, 140, 12, 74, 76, 156, 10, 82, 168, 86, 132, 90, 92, 94, 240, 147, 75, 204, 156, 106, 216, 220, 28, 228, 116, 118, 15, 122, 124, 126, 448, 260, 264, 134 ]
[ "nonn", "frac" ]
A332136
[ 6, 363, 33633, 3336333, 333363333, 33333633333, 3333336333333, 333333363333333, 33333333633333332, 3333333336333333500, 333333333363333330000, 3.3333333333633334e+22, 3.3333333333363333e+24, 3.3333333333336335e+26, 3.3333333333333632e+28, 3.3333333333333364e+30 ]
[ "nonn", "base", "easy" ]
A136279
[ 0, 0, 1, 12, 43, 163, 8424, 582769, 40292074 ]
[ "nonn" ]
A109546
[ 5, 11, 53, 203, 821, 3275, 13109, 52427, 209717, 838859, 3355445, 13421771, 53687093, 214748363, 858993461, 3435973835, 13743895349, 54975581387, 219902325557, 879609302219, 3518437208885, 14073748835531, 56294995342133 ]
[ "nonn" ]
A366253
[ 1, 13, 4, 82, 67, 11, 307, 406, 206, 24, 841, 1441, 1216, 489, 50, 1891, 3796, 4211, 2835, 995, 80, 3718, 8299, 10901, 9672, 5671, 1802, 154, 6637, 15982, 23536, 24780, 19139, 10196, 3052, 220, 11017, 28081, 44906, 53109, 48686, 34166, 17011, 4810, 375 ]
[ "nonn", "tabl" ]
A379849
[ 1729, 20683, 40033, 46683, 134379, 149389, 195841, 216027, 216125, 327763, 402597, 439101, 443889, 515375, 558441, 593047, 684019, 704977, 842751, 920673, 984067, 1073375, 1080891, 1195112, 1260441, 1533357, 1566728, 1845649, 2048391, 2301299, 2418271, 2585375, 2622104, 2691451, 3242197 ]
[ "nonn" ]
A334905
[ 1, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 21, 30, 29, 20, 25, 30, 12, 19, 24, 17, 13, 13, 18, 14, 19, 14, 15, 15, 15, 20, 15, 20, 16, 22, 16, 16, 17, 21, 22, 15, 13, 16, 18, 14, 14, 14, 17, 15, 11, 10, 12, 13, 4, 11, 8, 9, 7, 11, 4, 9, 8, 8, 8, 6, 8 ]
[ "nonn" ]
A223176
[ 0, 4, 40, 348, 1200, 16348, 94364, 524292, 2621432, 16536796, 84487288, 391704968, 2328596100, 11355881256, 62051315756, 313489275420, 1569528616420, 8055413661476 ]
[ "nonn", "more" ]
A283551
[ -1, 0, 2, 6, 13, 24, 40, 62, 91, 128, 174, 230, 297, 376, 468, 574, 695, 832, 986, 1158, 1349, 1560, 1792, 2046, 2323, 2624, 2950, 3302, 3681, 4088, 4524, 4990, 5487, 6016, 6578, 7174, 7805, 8472, 9176, 9918, 10699, 11520, 12382, 13286, 14233, 15224, 16260 ]
[ "sign", "easy", "less" ]
A154819
[ 1, 2, 1, 2, 1, 3, 1, 10, 1, 1835, 1 ]
[ "nonn" ]
A109207
[ 3998993, 7696967, 7778777, 7794977, 7868687, 7884887, 7958597, 9586859, 9758579, 9782879, 9938399, 138989831, 139969931, 148888841, 148969841, 157888751, 159929951, 166888661, 167787761, 168929861, 169666961, 174989471 ]
[ "base", "nonn" ]
A020756
[ 0, 1, 2, 3, 4, 6, 7, 9, 10, 11, 12, 13, 15, 16, 18, 20, 21, 22, 24, 25, 27, 28, 29, 30, 31, 34, 36, 37, 38, 39, 42, 43, 45, 46, 48, 49, 51, 55, 56, 57, 58, 60, 61, 64, 65, 66, 67, 69, 70, 72, 73, 76, 78, 79, 81, 83, 84, 87, 88, 90, 91, 92, 93, 94, 97, 99, 100, 101, 102, 105, 106, 108 ]
[ "nonn", "nice" ]
A259634
[ 18, 64, 581, 4146, 44500, 899557, 19848497, 593505391, 28804661988, 1803294030851, 150215435682396, 18581117366931470, 3161106877662837000, 725638805668965000000, 2.366864396749361e+23 ]
[ "nonn" ]
A078606
[ -2, -1, 4, -5, 2, 7, 3, -3, -11, -4, 13, -14, 16, 6, -6, -20, -7, 22, 8, 25, 9, -29, -10, 31, -32, 11, 34, -38, -13, -41, 14, 15, -15, -47, 49, -50, 52, 18, -18, -19, 58, -59, 20, -21, 67, -68, 23, 70, 24, -24, -25, -77, 79, 27, -27, -83, -28, 85, 88, -92, -31, 94, -95, -33, -101, -104, 35, 106, 36, -110, 112, 38 ]
[ "sign", "base" ]
A128786
[ 0, 7, 196, 3087, 38416, 420175, 4235364, 40353607, 368947264, 3268642167, 28247524900, 239256535903, 1993145356944, 16374242758783, 132931722278404, 1068201339737175, 8507630225817856, 67230218542302824, 527606005722985500 ]
[ "nonn", "easy" ]
A160251
[ 1, 16, -1426, -76640, 5969356, 611143616, -40423986104, -6814445150336, 366920889983120, 97565908182651140, -3993393901642052600, -1.704952878058465e+21, 4.660652791924582e+22, 3.515847333743999e+25, -4.5656276608318915e+26 ]
[ "sign", "frac" ]
A321352
[ 1, 2, 1, 6, 2, 1, 24, 9, 2, 1, 120, 44, 13, 2, 1, 720, 265, 80, 20, 2, 1, 5040, 1854, 579, 144, 31, 2, 1, 40320, 14833, 4738, 1265, 264, 49, 2, 1, 362880, 133496, 43387, 12072, 2783, 484, 78, 2, 1, 3628800, 1334961, 439792, 126565, 30818, 6208, 888, 125, 2, 1 ]
[ "nonn", "tabl" ]
A047004
[ 1, 1, 4, 7, 30, 143, 585, 2420, 9690, 38779, 153769, 608925, 2404100, 9484317, 37378622, 147270615, 580094570, 2284987355, 9001081353, 35463025663, 139747015800, 550824207900, 2171675252565, 8564359325319, 33784352403732 ]
[ "nonn" ]
A068077
[ 1, 38184, 458010, 776112, 65676408, 1488668112, 4414086384, 28645019964, 46696401675, 65466785748, 70619381496, 176151711072 ]
[ "more", "nonn" ]
A174995
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 63, 64, 72, 81 ]
[ "base", "fini", "full", "nonn" ]
A165024
[ 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 ]
[ "base", "nonn" ]
A247115
[ 1, 4, 151, 1315, 73396, 667109, 10749479, 399851303, 401511863, 18933826729, 246810236317, 4700047812703, 145981746528913, 9796912235587652, 9810925971351680, 9823210739716248, 403196782523223550, 11704197956499986000, 269433333504358940000 ]
[ "nonn" ]
A328424
[ 1, 2, 3, 9, 7, 23, 15, 50, 39, 70, 56, 187, 101, 195, 218, 420, 297, 625, 490, 949, 882, 1226, 1255, 2533, 2007, 2840, 3217, 4588, 4565, 6966, 6842, 10099, 10479, 13498, 15093, 21507, 21637, 27975, 31791, 41722, 44583, 58022, 63261, 80415, 90799, 110578, 124754 ]
[ "nonn" ]
A223022
[ 3, 9, 9, 27, 19, 27, 81, 45, 45, 81, 243, 115, 309, 115, 243, 729, 309, 739, 739, 309, 729, 2187, 859, 8355, 1365, 8355, 859, 2187, 6561, 2445, 25953, 13997, 13997, 25953, 2445, 6561, 19683, 7075, 347991, 35571, 878487, 35571, 347991, 7075, 19683, 59049, 20709 ]
[ "nonn", "tabl" ]
A119764
[ 1, 2, 5, 2, 9, 5, 15, 4, 3, 9, 19, 5, 21, 15, 11, 4, 33, 6, 25, 9, 13, 19, 39, 7, 5, 29, 21, 15, 61, 11, 45, 8, 65, 33, 67, 6, 49, 35, 25, 9, 73, 13, 53, 106, 19, 77, 39, 79, 7, 10, 81, 29, 83, 59, 21, 15, 43, 61, 87, 11, 89, 63, 45, 8, 23, 65, 93, 33, 47, 67, 135, 12, 97, 69, 49 ]
[ "base", "nonn" ]
A327878
[ 1, 0, 1, 0, 2, 0, 3, 3, 0, 6, 6, 0, 7, 21, 12, 0, 14, 36, 24, 0, 18, 90, 132, 60, 0, 28, 150, 240, 120, 0, 39, 339, 900, 960, 360, 0, 62, 540, 1560, 1800, 720, 0, 81, 1149, 4968, 9300, 7920, 2520, 0, 126, 1806, 8400, 16800, 15120, 5040, 0, 175, 3765, 24588, 71400, 103320, 73080, 20160 ]
[ "nonn", "tabf" ]
A244464
[ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 7, 12, 16, 21, 25, 30, 34, 39, 43, 52, 65, 88, 121, 165, 219, 285, 360, 447, 544, 661, 805, 998, 1256, 1613, 2085, 2709, 3500, 4496, 5709, 7201, 9016, 11277, 14108, 17738, 22410, 28484, 36330 ]
[ "nonn" ]
A338280
[ 1, 3, 2, 16, 8, 3, 125, 50, 15, 4, 1296, 432, 108, 24, 5, 16807, 4802, 1029, 196, 35, 6, 262144, 65536, 12288, 2048, 320, 48, 7, 4782969, 1062882, 177147, 26244, 3645, 486, 63, 8, 100000000, 20000000, 3000000, 400000, 50000, 6000, 700, 80, 9, 2357947691, 428717762, 58461513, 7086244, 805255, 87846, 9317, 968, 99, 10 ]
[ "nonn", "tabl" ]
A295074
[ 1, 11, 69, 1843, 12767, 181215, 1308365, 76546627, 565400891, 8419185989, 63092292851, 1901486819127, 14392588079947, 218735248662407, 1667806937019357, 204072937168787300, 1564753338846234000, 24051971232321140000, 185239367598020900000, 5.717329190017843e+21 ]
[ "nonn", "frac" ]
A163725
[ 1, 16, 108, 531, 2119, 7338, 23330, 70369, 204461, 576824, 1589880, 4304373, 11495305, 30376964, 79611466, 207289163, 536963245 ]
[ "nonn", "more" ]
A098517
[ 40, 73, 113, 158, 207, 261 ]
[ "fini", "full", "nonn" ]
A133448
[ 2, 5, 13, 40, 121, 365, 1094, 3281, 9841, 29524, 88573, 265721, 797162, 2391485, 7174453, 21523360, 64570081, 193710245, 581130734, 1743392201, 5230176601, 15690529804, 47071589413, 141214768241, 423644304722, 1270932914165, 3812798742493, 11438396227480 ]
[ "nonn", "easy" ]
A388421
[ 3, 34, 362, 3723, 37635, 378488, 3802726, 38171456, 382797520, 3836431489, 38432616631, 384891020729 ]
[ "nonn", "base", "more" ]
A113254
[ -1, 4, 176, 3136, -15616, 123904, 1028096, 4734976, -51183616, 975437824, 1521483776, 205520896, 39241908224, 4227925540864, -10627091267584, 53396107165696, 1029499365883904, 10479050187341824, -71775363146973180, 769363745204863000 ]
[ "easy", "sign" ]
A032008
[ 1, 1, 3, 11, 17, 53, 161, 285, 569, 1459, 4699, 7177, 15631, 28229, 66883, 211311, 319929, 627705, 1163049, 2150209, 4422225, 14320583, 20392019, 39962165, 68618087, 126643545, 212615483, 433704811, 1312156393, 1864959757, 3502343041, 5919183485, 10364053441 ]
[ "nonn" ]
A241697
[ 21, 150, 688, 2561, 8253, 23930, 64030, 160539, 381379, 865676, 1889308, 3984311, 8151834, 16234161, 31554397, 59999259, 111824744, 204629354, 368190175, 652238928, 1138836325, 1961870558, 3337496363, 5611246209, 9330350788, 15353900381, 25019429935 ]
[ "nonn" ]