id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A281243
[ 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 2, 1, 0, 0, 1, 2, 1, 0, 0, 1, 3, 1, 0, 0, 2, 3, 1, 0, 0, 3, 4, 1, 0, 1, 4, 4, 1, 0, 1, 5, 5, 1, 0, 2, 7, 5, 1, 0, 3, 8, 6, 1, 0, 5, 10, 6, 1, 1, 6, 12, 7, 1, 1, 9, 14, 7, 1, 2, 11, 16, 8, 1 ]
[ "nonn" ]
A262791
[ 344, 4704, 81954, 1217748, 15883746, 207296448, 2745709200, 36033729098, 468737604632, 6095998262496, 79374967410978, 1032693247142292, 13426365868025298, 174551289200406900, 2269545056925796000 ]
[ "nonn" ]
A005108
[ 73, 313, 443, 617, 661, 673, 677, 691, 739, 757, 823, 887, 907, 941, 977, 1093, 1109, 1129, 1201, 1213, 1303, 1361, 1447, 1453, 1543, 1553, 1621, 1627, 1657, 1753, 1811, 1867, 1873, 1993, 1997, 2017, 2081, 2083, 2113, 2269, 2273, 2281, 2293, 2333, 2341 ]
[ "nonn" ]
A032229
[ 1, 1, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 7, 5, 7, 6, 11, 8, 14, 9, 21, 23, 24, 25, 34, 39, 40, 53, 53, 80, 62, 106, 138, 145, 150, 184, 232, 247, 307, 310, 452, 398, 593, 485, 864, 969, 1068, 1093, 1465, 1613, 1855, 2145, 2438, 3074, 3014 ]
[ "nonn" ]
A109542
[ 0, 7, 640, 170555, 94949400, 95830621425, 159062872168200, 404720953797785600 ]
[ "nonn", "more" ]
A283746
[ 2, 1, 6, 11, 24, 3, 37, 16, 105, 50, 84, 29, 118, 207, 63, 152, 8, 241, 97, 330, 186, 419, 42, 275, 508, 131, 741, 364, 597, 220, 830, 453, 76, 686, 1296, 309, 919, 1529, 542, 165, 1762, 775, 1385, 398, 1008, 21, 1618, 631, 2228, 1241, 254, 1851, 864, 2461 ]
[ "nonn", "easy" ]
A099142
[ 1, 8, 92, 1184, 15632, 207488, 2757056, 36643328, 487039232, 6473467904, 86042074112, 1143628341248, 15200538791936, 202038000386048, 2685388609667072, 35692849740775424, 474411605904392200 ]
[ "easy", "nonn" ]
A362465
[ 3, 2, 2, 4, 2, 2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 5, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 3, 2, 5, 2, 3 ]
[ "nonn" ]
A242617
[ 5, 5, 3, 0, 5, 1, 2, 9, 3, 3, 5, 7, 5, 9, 5, 1, 8, 6, 7, 7, 9, 9, 5, 1, 0, 3, 7, 0, 8, 7, 1, 2, 4, 7, 7, 4, 5, 5, 0, 8, 0, 2, 8, 5, 7, 6, 0, 1, 9, 6, 6, 1, 7, 7, 6, 3, 3, 0, 4, 0, 7, 0, 9, 7, 0, 5, 9, 5, 3, 8, 7, 8, 8, 4, 0, 7, 7, 1, 2, 5, 4, 1, 6, 8, 7, 0, 5, 3, 7, 3, 2, 6, 3, 1, 6, 8, 2, 9, 1, 3 ]
[ "nonn", "cons" ]
A378552
[ 1, 3, 51, 900, 16455, 307833, 5850000, 112445112, 2180050215, 42552000000, 835075676361, 16461248223588, 325696500000000, 6464447754891285, 128654307202482420, 2566472490000000000, 51302899404879840000, 1.0273914674098934e+21, 2.0607804108e+22 ]
[ "nonn" ]
A374491
[ 2, 1, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7, 9, 6, 0, 9, 2, 7 ]
[ "nonn", "cons" ]
A060593
[ 1, 1, 8, 180, 8064, 604800, 68428800, 10897286400, 2324754432000, 640237370572800, 221172909834240000, 93666727314800640000, 4.7726800133326115e+22, 2.880653293761469e+25, 2.032588964078092e+28, 1.6578303738261942e+31 ]
[ "nonn", "easy" ]
A047501
[ 1, 3, 4, 5, 7, 9, 11, 12, 13, 15, 17, 19, 20, 21, 23, 25, 27, 28, 29, 31, 33, 35, 36, 37, 39, 41, 43, 44, 45, 47, 49, 51, 52, 53, 55, 57, 59, 60, 61, 63, 65, 67, 68, 69, 71, 73, 75, 76, 77, 79, 81, 83, 84, 85, 87, 89 ]
[ "nonn", "easy" ]
A003263
[ 1, 0, 1, 2, 1, 0, 2, 2, 0, 1, 3, 2, 0, 2, 3, 1, 0, 3, 3, 0, 2, 4, 2, 0, 3, 3, 0, 1, 4, 3, 0, 3, 5, 2, 0, 4, 4, 0, 2, 5, 3, 0, 3, 4, 1, 0, 4, 4, 0, 3, 6, 3, 0, 5, 5, 0, 2, 6, 4, 0, 4, 6, 2, 0, 5, 5, 0, 3, 6, 3, 0, 4, 4, 0, 1, 5, 4, 0, 4, 7, 3, 0, 6, 6, 0, 3, 8, 5, 0, 5, 7, 2, 0, 6, 6, 0, 4, 8, 4, 0, 6, 6, 0, 2, 7 ]
[ "nonn", "easy" ]
A109914
[ 1, 1, 1, 491400, 3546112878000, 143424700959632400, 1.0691567972893974e+37, 2.1094834407843483e+101 ]
[ "nonn" ]
A266610
[ 1, 0, 5, 100, 1, 2040, 5, 32740, 1, 524280, 5, 8388580, 1, 134217720, 5, 2147483620, 1, 34359738360, 5, 549755813860, 1, 8796093022200, 5, 140737488355300, 1, 2251799813685240, 5, 36028797018963940, 1, 576460752303423500, 5, 9223372036854776000, 1 ]
[ "nonn", "easy" ]
A182140
[ 2, 3, 5, 7, 11, 13, 15, 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, 143, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 255, 257 ]
[ "nonn" ]
A144105
[ 3, 5, 11, 17, 29, 37, 53, 59, 127, 149, 211, 223, 307, 331, 541, 1361, 1693, 1973, 2203, 2503, 2999, 3299, 4327, 4861, 5623, 5779, 5981, 6521, 6947, 7283, 8501, 9587, 10007, 10831, 11777, 12197, 12889, 15727, 16183, 19661, 31469, 34123, 35671, 35729 ]
[ "nonn" ]
A310557
[ 1, 4, 10, 18, 22, 30, 34, 42, 36, 50, 54, 66, 66, 78, 78, 90, 74, 94, 98, 110, 114, 122, 126, 134, 116, 138, 142, 154, 158, 170, 170, 182, 154, 186, 186, 198, 202, 214, 218, 226, 196, 230, 234, 242, 246, 258, 262, 274, 234, 278 ]
[ "nonn" ]
A084838
[ 1, 2, 3, 5, 21, 37, 46, 59, 65, 70, 74, 78, 82, 83, 85, 89, 93, 97, 106, 114, 115, 127, 141, 149, 158, 163, 177, 190, 194, 197, 201, 211, 221, 223, 226, 229, 235, 246, 253, 257, 259, 263, 274, 282, 287, 293, 295, 307, 321, 331, 341, 345, 355, 366, 371, 373, 377 ]
[ "nonn" ]
A332225
[ 4, 9, 12, 20, 44, 52, 60, 108, 124, 125, 132, 140, 156, 172, 188, 204, 236, 300, 308, 396, 412, 436, 476, 492, 612, 644, 700, 836, 876, 884, 891, 924, 972, 980, 1004, 1044, 1092, 1100, 1116, 1148, 1188, 1196, 1236, 1260, 1268, 1292, 1300, 1308, 1372, 1380, 1476, 1620, 1628, 1724, 1860, 1900, 2140, 2244, 2324, 2356, 2444, 2460, 2652, 2660, 2700 ]
[ "nonn" ]
A000234
[ 1, 3, 8, 18, 37, 72, 136, 251, 445, 770, 1312, 2202, 3632, 5908, 9501, 15111, 23781, 37083, 57293, 87813, 133530, 201574, 302265, 450317, 666743, 981488, 1437003, 2092976, 3033253, 4375104, 6282026, 8981046, 12786327, 18131492, 25612628 ]
[ "nonn" ]
A110816
[ 4, 289, 20736, 2093809, 200052736, 20020552036, 2000566963396, 200056526609956, 20002760007280996, 2000558796577898800, 200028505600685280000, 2.000275975666506e+22 ]
[ "nonn", "base" ]
A168186
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78 ]
[ "nonn", "easy" ]
A037626
[ 2, 13, 65, 327, 1638, 8190, 40952, 204763, 1023815, 5119077, 25595388, 127976940, 639884702, 3199423513, 15997117565, 79985587827, 399927939138, 1999639695690, 9998198478452, 49990992392263, 249954961961315, 1249774809806577 ]
[ "nonn", "base" ]
A240940
[ 0, 1, 2, 8, 20, 44, 127, 320, 476, 3584, 12311, 4604, 74879, 414119, 2071775, 5703551, 11551671, 45680444, 442548224, 1960632176, 2657058876, 24923993276, 130518272975, 1478154932316, 5446454455004, 38610655379975, 204033398880671, 538347188396016, 3809155729331900, 27460809907547976, 52607402757814776 ]
[ "nonn" ]
A039672
[ 1, 2, 4, 5, 7, 10, 11, 13, 16, 19, 20, 23, 25, 28, 29, 32, 37, 38, 40, 41, 49, 50, 52, 56, 58, 59, 61, 65, 68, 74, 76, 77, 82, 83, 86, 88, 91, 97, 101, 103, 104, 106, 115, 118, 121, 122, 124, 130, 131, 133, 136, 137, 149, 151, 154, 155, 158, 163, 164, 166, 173, 175 ]
[ "nice", "nonn" ]
A008336
[ 1, 1, 2, 6, 24, 120, 20, 140, 1120, 10080, 1008, 11088, 924, 12012, 858, 12870, 205920, 3500640, 194480, 3695120, 184756, 3879876, 176358, 4056234, 97349616, 2433740400, 93605400, 2527345800, 90262350, 2617608150, 87253605, 2704861755, 86555576160, 2856334013280 ]
[ "nonn", "easy", "nice", "look" ]
A102126
[ 1, 4, 4, 4, 6, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 ]
[ "easy", "nonn" ]
A373539
[ 1, 1, 1, 1, -7, -39, -119, 841, 10641, 59473, -393679, -9119439, -77841719, 453247081, 17769103353, 210702481081, -1002688100959, -65813075987679, -1022777654395679, 3554736409105633, 413233827275657200, 8091508938651283000, -16214426267734966000 ]
[ "sign" ]
A311829
[ 1, 4, 8, 13, 17, 21, 25, 31, 36, 38, 44, 47, 52, 55, 60, 63, 69, 73, 79, 82, 88, 89, 96, 98, 104, 104, 112, 116, 123, 124, 131, 133, 140, 140, 148, 146, 156, 158, 166, 167, 175, 175, 183, 184, 192, 187, 200, 201, 210, 209 ]
[ "nonn" ]
A348907
[ 2, 3, 2, 5, 3, 7, 2, 5, 3, 11, 7, 13, 2, 5, 3, 17, 11, 19, 7, 13, 2, 23, 5, 3, 17, 11, 19, 29, 7, 31, 13, 2, 23, 5, 3, 37, 17, 11, 19, 41, 29, 43, 7, 31, 13, 47, 2, 23, 5, 3, 37, 53, 17, 11, 19, 41, 29, 59, 43, 61, 7, 31, 13, 47, 2, 67, 23, 5, 3, 71, 37, 73, 53, 17, 11 ]
[ "nonn", "look" ]
A092751
[ 5, 19, 251, 48619, 155117519, 30067266499541040, 6.637553085023755e+24, 3.996088548667445e+29, 5.717214010165656e+66 ]
[ "nonn" ]
A229512
[ 0, 1, 3, 11, 58, 57, 262, 261, 564, 666, 665, 4775, 7843, 7842, 9807, 9804, 15705, 15704, 15701, 15699, 15698, 77964, 77962, 180330, 180326, 185136, 185135, 185133, 185132, 185130, 678603, 678601, 1005372, 1005371, 1005366, 2326178, 8525865, 8525862, 8525860 ]
[ "nonn" ]
A386947
[ 0, 3, 1, 6, 2, 9, 17, 10, 20, 11, 23, 12, 26, 13, 29, 14, 32, 15, 35, 16, 38, 61, 39, 64, 40, 67, 41, 70, 42, 73, 43, 76, 44, 79, 45, 82, 46, 85, 47, 8, 50, 93, 51, 96, 52, 7, 55, 104, 56, 107, 57, 110, 58, 5, 61, 118, 62, 121, 63, 4, 66 ]
[ "nonn" ]
A000412
[ 3, 7, 16, 31, 57, 97, 162, 257, 401, 608, 907, 1325, 1914, 2719, 3824, 5313, 7316, 9973, 13495, 18105, 24132, 31938, 42021, 54948, 71484, 92492, 119120, 152686, 194887, 247693, 313613, 395547, 497154, 622688, 777424, 967525, 1200572, 1485393, 1832779, 2255317 ]
[ "nonn" ]
A090899
[ 1, 1, 1, 2, 4, 11, 26, 101, 440, 3132, 40457, 1274068 ]
[ "hard", "nonn" ]
A289912
[ 1, 3, 5, 9, 18, 35, 66, 124, 234, 441, 829, 1557, 2925, 5496, 10325, 19394, 36429, 68428, 128532, 241425, 453475, 851775, 1599910, 3005145, 5644626, 10602419, 19914742, 37406262, 70260933, 131972522, 247886635, 465610427, 874565375, 1642713630, 3085541851 ]
[ "nonn", "easy" ]
A035582
[ 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 3, 1, 1, 6, 5, 7, 6, 8, 18, 16, 18, 24, 29, 48, 44, 50, 72, 83, 113, 117, 131, 187, 209, 261, 285, 325, 440, 491, 576, 662, 755, 978, 1084, 1245, 1458, 1671, 2068, 2304, 2609, 3096, 3526, 4232, 4730, 5348, 6324, 7187, 8410, 9462, 10665 ]
[ "nonn" ]
A165055
[ 0, 105, 5600, 27195, 33860, 42925, 1275170, 1657225, 6018495, 45962330, 47681900, 56319925, 60331825, 277695950, 348285175, 1305060855, 2151904825, 2175976225, 10363227560, 12973622725, 59994427550, 60063064790, 73115587525 ]
[ "base", "nonn" ]
A153588
[ 1, 3, 7, 15, 35, 77, 179, 429, 1039, 2525, 6235, 15463, 38513, 96231, 241519, 607339, 1529533, 3857447, 9743247, 24634043, 62335495, 157885967, 400211085, 1015080877, 2576308943, 6542380707, 16622493939, 42252603207, 107447022475, 273337662943 ]
[ "hard", "more", "nonn" ]
A247139
[ 1, 1, 2, 3, 6, 11, 23, 45, 95, 195, 417, 875, 1887, 4021, 8727, 18755, 40850, 88366, 192991, 418994, 916490, 1995080, 4367522, 9521434, 20849739, 45493669 ]
[ "nonn", "more" ]
A327717
[ 1, 1, 1, 1, 2, 3, 2, 3, 5, 6, 6, 7, 10, 12, 12, 15, 20, 23, 24, 28, 36, 42, 44, 51, 64, 73, 78, 89, 108, 123, 132, 150, 179, 202, 218, 246, 288, 324, 350, 393, 456, 509, 552, 616, 706, 786, 852, 948, 1078, 1195, 1297, 1436, 1620, 1791, 1942, 2145, 2406, 2650, 2874, 3163, 3528 ]
[ "nonn" ]
A078224
[ 2, 2, 3, 2, 6, 3, 7, 43, 101, 1526, 21626, 30507, 767145938, 1108516909537, 12667161621083528 ]
[ "base", "more", "nonn" ]
A003073
[ 1, 1, 2, 2, 3, 4, 5, 7, 9, 11, 14, 18, 23, 29, 38, 47, 59, 76, 95, 120, 154, 191, 241, 310, 383, 483, 620, 767, 968, 1242, 1535, 1937, 2486, 3071, 3875, 4972, 6143, 7752, 9946, 12287, 15505, 19894, 24575, 31011, 39788, 49151, 62024, 79578, 98303 ]
[ "nonn" ]
A308701
[ 1, 1, 2, 1, 3, 2, 1, 5, 10, 3, 1, 9, 82, 67, 2, 1, 17, 730, 4101, 626, 4, 1, 33, 6562, 262153, 390626, 7788, 2, 1, 65, 59050, 16777233, 244140626, 60466262, 117650, 4, 1, 129, 531442, 1073741857, 152587890626, 470184985314, 13841287202, 2097219, 3 ]
[ "nonn", "tabl" ]
A012447
[ 0, 2, 0, -80, -2688, 260608, 2928640, -463763456, -517376835584, 108823739498496, -2683131538178048, 5868236283429519000, -6.862655376791381e+21, 2.7383865687026393e+24 ]
[ "sign" ]
A080604
[ 1, 2, 3, 3, 4, 4, 4, 4, 5, 6, 5, 5, 6, 6, 7, 6, 6, 7, 7, 8, 8, 7, 7, 8, 8, 9, 9, 10, 8, 8, 9, 9, 9, 10, 11, 11, 9, 9, 9, 10, 10, 11, 11, 12, 13, 10, 10, 10, 11, 11, 12, 12, 13, 13, 14, 11, 11, 11, 12, 12, 13, 13, 14, 14, 15, 16, 12, 12, 12, 13, 13, 13, 14, 14, 15, 16, 16, 17, 13, 13, 13 ]
[ "nonn", "tabl" ]
A262849
[ 6, 6, 13, 12, 34, 27, 318, 196, 132, 54, 900, 3181, 1336, 396, 109, 4536, 31050, 37635, 5184, 1264, 219, 34782, 352880, 771084, 420654, 31512, 3962, 438, 178926, 4679725, 17912392, 14762016, 3896365, 175820, 11886, 877, 1042284, 58693450, 481968171 ]
[ "nonn", "tabl" ]
A321736
[ 1, 1, 2, 4, 9, 17, 42, 92, 231, 579, 1577 ]
[ "nonn", "more" ]
A152390
[ 6, 68, 252, 648, 1370, 2556, 4368, 6992, 10638, 15540, 21956, 30168, 40482, 53228, 68760, 87456, 109718, 135972, 166668, 202280, 243306, 290268, 343712, 404208, 472350, 548756, 634068, 728952, 834098, 950220, 1078056, 1218368, 1371942 ]
[ "easy", "nonn" ]
A068622
[ 5, 15, 105, 1035, 103285, 10832185, 1083241785, 1087326541785, 108703236544918780, 1.0887023235654449e+23 ]
[ "base", "hard", "more", "nonn" ]
A146649
[ 1, 1, 1, 1, 5, 25, 55, 257, 1343, 7017, 52361, 533979, 5651335, 90178433, 1487870527, 34319557235, 869941319597 ]
[ "nonn" ]
A162563
[ 5, 13, 47, 175, 653, 2437, 9095, 33943, 126677, 472765, 1764383, 6584767, 24574685, 91713973, 342281207, 1277410855, 4767362213, 17792037997, 66400789775, 247811121103, 924843694637, 3451563657445, 12881410935143, 48074080083127 ]
[ "nonn" ]
A208745
[ 1, 2, 4, 0, 8, 0, 6, 4, 7, 8, 8, 0, 2, 7, 9, 9, 4, 6, 5, 2, 5, 4, 9, 5, 8, 3, 2, 9, 3, 1, 0, 9, 7, 8, 7, 8, 3, 6, 6, 8, 2, 7, 2, 3, 0, 0, 9, 0, 3, 5, 3, 6, 5, 0, 0, 1, 2, 5, 3, 0, 2, 0, 1, 4, 7, 7, 1, 9, 5, 1, 2, 1, 8, 6, 6, 1, 2, 6, 5, 2, 8, 3, 4, 0, 2, 1, 0, 3, 7, 6, 1, 4, 6, 5, 4, 9, 7, 6, 2, 4, 0, 2, 9, 2, 5 ]
[ "nonn", "cons", "easy" ]
A161653
[ 1, 40, 819, 11439, 122549, 1073668, 8009350, 52303783, 305103058, 1614351753, 7841707642, 35308785736, 148545224987, 587774258402, 2199717843602, 7823584303472, 26553558780617, 86314483678430, 269565581279715 ]
[ "nonn" ]
A086894
[ 1, 3, 33, 979, 54801, 4932051, 651030673, 118487582403, 28437019776609, 8701728051642211, 3306656659624040000, 1.5276753767463065e+21, 8.432768079639611e+23, 5.4812992517657474e+26, 4.143862234334905e+29, 3.605160143871368e+32 ]
[ "nonn" ]
A137849
[ 1, 2, 2, 4, 2, 6, 2, 7, 5, 7, 2, 12, 2, 9, 8, 14, 2, 17, 2, 17, 10, 10, 2, 24, 9, 12, 12, 23, 2, 28, 2, 25, 13, 14, 12, 35, 2, 15, 14, 34, 2, 36, 2, 30, 23, 17, 2, 48, 14, 33, 18, 34, 2, 46, 18, 45, 19, 19, 2, 60, 2, 21, 30, 49, 20, 54, 2, 41, 22, 47, 2, 71, 2, 24, 36, 45, 21, 63, 2, 67 ]
[ "nonn" ]
A179787
[ 2, 1, 2, 4, 6, 1, 4, 4, 2, 6, 3, 16, 18, 2, 3, 8, 20, 1, 6, 28, 30, 7, 16, 10, 18, 18, 2, 8, 42, 8, 11, 18, 42, 20, 4, 52, 20, 3, 28, 26, 10, 30, 15, 10, 22, 12, 8, 28, 12, 18, 18, 28, 78, 1, 8, 38, 14, 42, 9, 88, 4, 22, 23, 28, 48, 42, 18, 100, 34, 3, 52, 50, 22, 20, 9, 112, 38, 22, 23, 38 ]
[ "nonn" ]
A296215
[ 1, 3, 6, 24, 87, 321, 1176, 4314, 15822, 58032, 212847, 780672, 2863317, 10501959, 38518662, 141277197, 518170812, 1900526031, 6970672818, 25566752964, 93772706622, 343935755925, 1261473710904, 4626782461218, 16969926331719, 62241612204120, 228287277978756 ]
[ "nonn", "easy" ]
A329308
[ 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 2, 1, 0, 2, 1, 1, 0, 2, 2, 1, 2, 1, 3, 0, 1, 1, 3, 1, 2, 3, 1, 2, 0, 3, 2, 1, 1, 4, 4, 0, 2, 2, 4, 1, 1, 1, 3, 2, 1, 3, 3, 3, 3, 2, 4, 2, 2, 1, 4, 1, 3, 2, 2, 0, 2, 5, 5, 2, 3, 2, 3, 1, 1, 3, 5, 0, 5, 3, 3, 2, 1, 3, 6, 2, 2, 5, 3, 3, 1, 2, 3, 4, 3, 3, 4, 1, 1, 4, 2 ]
[ "nonn" ]
A058373
[ 0, 0, -1, -1, 2, 10, 25, 49, 84, 132, 195, 275, 374, 494, 637, 805, 1000, 1224, 1479, 1767, 2090, 2450, 2849, 3289, 3772, 4300, 4875, 5499, 6174, 6902, 7685, 8525, 9424, 10384, 11407, 12495, 13650, 14874, 16169, 17537, 18980, 20500, 22099 ]
[ "sign", "easy" ]
A035562
[ 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 2, 3, 4, 5, 8, 10, 14, 17, 25, 30, 41, 50, 67, 82, 107, 130, 166, 204, 256, 311, 389, 468, 582, 699, 857, 1028, 1251, 1496, 1808, 2154, 2588, 3071, 3677, 4344, 5173, 6099, 7228, 8498, 10032, 11756, 13830, 16167, 18950 ]
[ "nonn", "easy" ]
A074351
[ 1, 1, 2, 6, 24, 240, 720, 5040, 40320, 514080, 3628800, 80166240, 479001600, 6797831040, 93774320640, 1307674368000, 20922789888000, 523845011289600, 6402373705728000, 153101632051630080, 2471368711740365000, 51182316789956350000, 1.1240007277776077e+21 ]
[ "nice", "easy", "nonn" ]
A188607
[ 2, 4, 4, 7, 16, 7, 12, 49, 49, 12, 20, 144, 211, 144, 20, 33, 400, 847, 883, 400, 33, 54, 1089, 3282, 4914, 3354, 1089, 54, 88, 2916, 12405, 26723, 24711, 12529, 2916, 88, 143, 7744, 45860, 140617, 181626, 123984, 45705, 7744, 143, 232, 20449, 167525, 721597 ]
[ "nonn", "tabl" ]
A274196
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 3, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 3, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 4, 4, 4, 4, 3, 2, 2 ]
[ "nonn", "tabl", "easy" ]
A124136
[ 2, 7, 11, 17, 23, 29, 31, 37, 53, 59, 71, 79, 89, 97, 101, 127, 137, 149, 157, 179, 191, 211, 223, 233, 251, 257, 263, 293, 307, 311, 331, 347, 367, 373, 379, 389, 409, 419, 431, 443, 457, 479, 487, 499, 521, 541, 547, 557, 563, 587, 599, 613, 617, 631, 641 ]
[ "nonn" ]
A097907
[ 5, 3, 6, 9, 9, 3, 9, 1, 7, 4, 3, 0 ]
[ "nonn", "cons", "more" ]
A043382
[ 21, 57, 93, 111, 117, 123, 126, 127, 128, 130, 131, 135, 141, 165, 201, 237, 273, 309, 327, 333, 339, 342, 343, 344, 346, 347, 351, 357, 381, 417, 453, 489, 525, 543, 549, 555, 558, 559, 560, 562, 563, 567, 573, 597, 633, 651 ]
[ "nonn", "base" ]
A082979
[ 2, 3, 5, 17, 71, 131, 101, 151, 61, 181, 31, 13, 53, 149, 73, 139, 83, 179, 23, 43, 199, 457, 7, 37, 29, 59, 163, 79, 173, 89, 113, 109, 103, 311, 547, 271, 11, 191, 41, 47, 19, 193, 211, 223, 241, 233, 251, 557, 281, 577, 5869, 137, 277, 127, 307, 97, 317, 107 ]
[ "base", "nonn", "look" ]
A248905
[ 1, 1, 2, 1, 5, 5, 1, 30, 192, 15, 1, 1247 ]
[ "hard", "more", "nonn", "tabl" ]
A102759
[ 1, 1, 1, 2, 8, 27, 82, 338, 1647, 7668, 37779, 210520, 1276662, 7985200, 51302500, 358798144, 2677814900, 20309850311, 160547934756, 1344197852830, 11666610870142, 104156661915427, 962681713955130, 9238216839975106, 91508384728188800, 930538977116673900 ]
[ "nonn" ]
A008383
[ 1, 20, 110, 340, 780, 1500, 2570, 4060, 6040, 8580, 11750, 15620, 20260, 25740, 32130, 39500, 47920, 57460, 68190, 80180, 93500, 108220, 124410, 142140, 161480, 182500, 205270, 229860, 256340, 284780, 315250, 347820, 382560, 419540, 458830, 500500, 544620 ]
[ "nonn", "easy" ]
A166803
[ 0, 105, 2930, 26463, 147567, 619558, 2147828, 6473764 ]
[ "nonn" ]
A155785
[ 1, 22, 303, 323, 333, 343, 363, 393, 4004, 4014, 4024, 4034, 4044, 4054, 4064, 4074, 4084, 4094, 4104, 4114, 4124, 4134, 4144, 4154, 4164, 4174, 4184, 4194, 4204, 4214, 4224, 4234, 4244, 4254, 4264, 4274, 4284, 4294, 4304, 4314, 4324, 4334, 4344, 4354 ]
[ "nonn", "base", "fini" ]
A192411
[ 2, 8, 48, 537, 10457, 350996, 20588719, 2097220139, 371447058811, 114409134039376, 61266947593618200, 57047805341101070000, 9.236117525247698e+22, 2.6000215655572848e+26 ]
[ "nonn" ]
A038209
[ 0, 1, 8, 10, 17, 18, 26, 27, 28, 45, 55, 62, 63, 71, 72, 81, 82, 89, 91, 99, 100, 107, 108, 109, 116, 125, 134, 136, 143, 144, 145, 153, 154, 161, 181, 188, 189, 197, 198, 199, 206, 207, 208, 215, 216, 224, 226, 233, 234, 235, 242, 243, 244, 253, 261, 262, 269 ]
[ "nonn", "base" ]
A321966
[ 1, 1, 1, 2, 5, 1, 6, 27, 12, 1, 24, 168, 123, 22, 1, 120, 1200, 1275, 365, 35, 1, 720, 9720, 13950, 5655, 855, 51, 1, 5040, 88200, 163170, 87465, 18480, 1722, 70, 1, 40320, 887040, 2046240, 1387680, 383145, 49476, 3122, 92, 1 ]
[ "nonn", "tabl" ]
A011660
[ 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1 ]
[ "nonn", "easy" ]
A144259
[ 1, 2, 5, 17, 83, 577, 5425, 65221, 959145, 16703045, 336294539, 7687013743, 196668883339, 5568107204467, 172833125462925, 5836126964882633, 212987232417299360, 8353651173273885000, 350415859403143250000, 1.565426523920985e+22, 7.419914679541266e+23 ]
[ "nonn" ]
A016452
[ 3, 5, 1, 1, 1, 1, 1, 1, 6, 35660, 1, 3, 1, 2, 1, 3, 3, 2, 1, 13, 2, 4, 1, 16, 3, 7, 10, 2, 16, 1, 3, 1, 1, 9, 1, 1, 5, 2, 6, 2, 4, 203, 1, 4, 7, 1, 1, 1, 1, 2, 33, 1, 8, 1, 5, 2, 12, 136, 3, 6, 1, 1, 1, 1, 1, 37, 8, 1, 1, 3, 1, 27, 1 ]
[ "nonn", "cofr" ]
A219215
[ 21, 35, 955, 10287, 131724, 1401275, 14175675, 136413948, 1283062154, 11695541948, 102588904127, 863023412195, 6981340309288, 54544421462030, 413195108006170, 3042964253577367, 21823625042074664, 152628759842187070 ]
[ "nonn" ]
A060836
[ 0, 0, 0, 0, 44, 264, 924, 2464, 5544, 11088, 20328, 34848, 56628, 88088, 132132, 192192, 272272, 376992, 511632, 682176, 895356, 1158696, 1480556, 1870176, 2337720, 2894320, 3552120, 4324320, 5225220, 6270264, 7476084, 8860544, 10442784, 12243264, 14283808, 16587648 ]
[ "nonn", "easy" ]
A290572
[ 2, 11, 7, 67, 53, 47, 514, 401, 317, 181, 467, 526, 1069, 2819, 1262, 3142, 1382, 1913, 1327, 4178, 2477, 9697, 8123, 8329, 3274, 11213, 21031, 5119, 16382, 13063, 20446, 44417, 22193, 37747, 12854, 46957, 35617, 63863, 48679, 20809, 76166, 39251, 110359, 59282, 136898, 212923, 143006 ]
[ "nonn" ]
A341805
[ 0, 2, 4, 9823712 ]
[ "nonn", "hard", "more" ]
A341034
[ -1, -1, -1, -1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 10, 10, 10, 10, 10, 15, 15, 15, 15, 15, 20, 20, 20, 20, 20, 25, 25, 25, 25, 25, 29, 30, 30, 30, 30, 33, 34, 35, 35, 35, 37, 38, 39, 40, 40, 41, 42, 43, 44, 45, 45, 46, 47, 48, 49, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50 ]
[ "sign", "base" ]
A225730
[ 2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 36, 40, 42, 44, 45, 48, 50, 54, 56, 60, 64, 66, 70, 72, 78, 80, 84, 88, 90, 96, 100, 108, 112, 120, 126, 132, 140, 144, 150, 156, 160, 168, 180, 192, 198, 200, 204, 210, 216, 220, 224, 228, 234 ]
[ "nonn", "fini", "full" ]
A033630
[ 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1, 1, 6, 1, 1, 1, 2, 1, 4, 1, 1, 1, 1, 1, 8, 1, 1, 1, 4, 1, 3, 1, 1, 1, 1, 1, 11, 1, 1, 1, 1, 1, 4, 1, 3, 1, 1, 1, 35, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 32, 1, 1, 1, 1, 1, 2, 1, 7, 1, 1, 1, 26, 1, 1, 1, 2, 1, 24, 1, 1, 1, 1, 1, 22, 1, 1, 1, 3 ]
[ "nonn" ]
A313413
[ 1, 5, 10, 13, 18, 23, 30, 35, 42, 41, 49, 51, 60, 64, 73, 69, 80, 80, 90, 92, 104, 96, 112, 109, 121, 120, 134, 123, 143, 139, 152, 149, 164, 149, 174, 168, 184, 178, 195, 175, 204, 197, 215, 208, 226, 202, 234, 225, 246, 237 ]
[ "nonn" ]
A217940
[ 1, 1, 1, 4, 4, 4, 36, 33, 42, 33, 576, 480, 648, 720, 456, 14400, 10960, 14900, 18780, 17900, 9460, 518400, 362880, 487200, 648240, 730800, 606480, 274800, 25401600, 16465680, 21656040, 29481585, 36149820, 36569190, 26845140, 10643745, 1625702400, 981872640, 1260878080, 1729096320, 2218287120, 2495765440, 2285697120, 1503969600, 530052880 ]
[ "nonn", "tabl" ]
A342328
[ 1068475, 89633839, 6458329435, 433976684431, 28211055010555, 1804746233554159, 114556965257054880, 7243790885015627000, 457188176014824000000, 2.8828588756092945e+22, 1.8169991925898956e+24, 1.1449569562287197e+26 ]
[ "easy", "nonn" ]
A138716
[ 29, 107, 1481, 1613, 2393, 2879, 4421, 5021, 5519, 5573, 6269, 7817, 8447, 9629, 11489, 11981, 12011, 17159, 17573, 18461, 19961, 21713, 23021, 23291, 23747, 24917, 26339, 27947, 29021, 29201, 29663, 30893, 32063, 32717, 34217, 34589, 35159, 36527, 36899, 44753 ]
[ "nonn" ]
A135893
[ 1, 6, 1, 42, 12, 1, 351, 132, 18, 1, 3470, 1554, 270, 24, 1, 39968, 20260, 4089, 456, 30, 1, 528306, 294218, 65874, 8436, 690, 36, 1, 7906598, 4745522, 1147662, 161576, 15075, 972, 42, 1, 132426050, 84534154, 21710680, 3277148, 334390, 24486, 1302 ]
[ "nonn", "tabl" ]
A139417
[ 1, 1, 4, 9, 9, 18, 18, 9, 18, 27, 27, 27, 18, 27, 27, 18, 27, 18, 27, 18, 9, 27, 27, 27, 27, 18, 27, 9, 27, 27, 27, 9, 27, 27, 36, 27, 27, 27, 18, 27, 27, 27, 27, 27, 36, 36, 9, 27, 27, 18, 36, 36, 27, 18, 27, 18, 27, 27, 27, 27, 36, 36, 27, 18, 36, 27, 36 ]
[ "base", "easy", "nonn" ]
A284159
[ 2, 4, 13, 42, 134, 467, 1689, 6210, 23178, 87336, 331172, 1262635, 4836199, 18592719, 71697865, 277195002, 1074041216, 4169581090, 16214541562, 63150645344, 246288102302, 961707595682, 3759467766802, 14711266580343, 57620439699189 ]
[ "nonn" ]
A234447
[ 58720, 1377422, 34601928, 898985624, 23647980136, 627437990794, 16674841633492, 444755926154674, 11853880524355808, 316752410636964030, 8452634047709217000, 226106339577862800000, 6.038837815573274e+21 ]
[ "nonn" ]
A315097
[ 1, 5, 9, 16, 20, 23, 30, 37, 39, 46, 49, 55, 62, 64, 67, 75, 82, 83, 92, 93, 101, 108, 108, 111, 121, 128, 126, 137, 137, 147, 154, 152, 155, 167, 174, 170, 183, 180, 192, 200, 196, 199, 213, 220, 214, 229, 224, 238, 245, 239 ]
[ "nonn" ]
A327668
[ 1, 3, 4, 5, 6, 12, 8, 11, 11, 18, 12, 20, 14, 24, 24, 21, 18, 33, 20, 30, 32, 36, 24, 44, 29, 42, 34, 40, 30, 72, 32, 43, 48, 54, 48, 55, 38, 60, 56, 66, 42, 96, 44, 60, 66, 72, 48, 84, 55, 87, 72, 70, 54, 102, 72, 88, 80, 90, 60, 120, 62, 96, 88, 85, 84, 144, 68, 90, 96, 144 ]
[ "nonn", "mult" ]
A035012
[ 1, 11, 220, 6380, 242440, 11394680, 638102080, 41476635200, 3069271004800, 254749493398400, 23436953392652800, 2367132292657933000, 260384552192372600000, 3.098576171089234e+22, 3.9661774989942195e+24, 5.4336631736220805e+26, 7.933148233488238e+28 ]
[ "easy", "nonn" ]
A300978
[ 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 3, 1, 2, 2, 5, 1, 1, 1, 2, 1, 7, 1, 9, 2, 3, 2, 5, 1, 11, 3, 5, 1, 14, 1, 15, 2, 1, 6, 19, 1, 1, 3, 10, 2, 26, 2, 13, 1, 15, 12, 35, 1, 39, 18, 2, 1, 22, 2, 50, 2, 27, 2, 61, 1, 67, 31, 3, 3, 39, 2, 87, 1, 1, 49, 102, 1, 55 ]
[ "nonn" ]