id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A114629
[ 0, 0, 6, 0, 80640, 306892800, 30739709952000, 53756954453370470000 ]
[ "nonn", "hard", "more" ]
A025639
[ 0, 1, 2, 3, 0, 4, 1, 5, 2, 6, 3, 0, 7, 4, 1, 8, 5, 2, 9, 6, 3, 0, 10, 7, 4, 1, 11, 8, 5, 2, 12, 9, 6, 3, 13, 0, 10, 7, 4, 14, 1, 11, 8, 5, 15, 2, 12, 9, 6, 16, 3, 13, 0, 10, 7, 17, 4, 14, 1, 11, 8, 18, 5, 15, 2, 12, 9, 19, 6, 16, 3, 13, 0, 10, 20, 7, 17, 4, 14, 1, 11, 21, 8, 18, 5, 15, 2, 12, 22, 9, 19 ]
[ "nonn", "easy", "changed" ]
A300608
[ 2, 30, 277, 2347, 19532, 164619, 1387896, 11697909, 98591087, 830954473, 7003554684, 59028229212, 497509382092, 4193173792143, 35341458756838, 297869535158874, 2510543242339775, 21159691214336636, 178340896550028400 ]
[ "nonn" ]
A317724
[ 2, 83, 2903, 911, 3, 5 ]
[ "nonn", "hard", "more" ]
A251596
[ 1, 0, 1, 0, 5, 1, 70, 106, 2380, 12398, 184359, 1830820, 25990371, 348029255, 531547931, 83340599734, 1395460803100, 24298184539132, 442299791441900, 8348538362127894, 163180897579795300 ]
[ "nonn", "more" ]
A117375
[ 1, 3, 1, 12, 4, 1, 51, 17, 5, 1, 222, 74, 23, 6, 1, 978, 326, 104, 30, 7, 1, 4338, 1446, 468, 142, 38, 8, 1, 19323, 6441, 2103, 657, 189, 47, 9, 1, 86310, 28770, 9447, 3006, 903, 246, 57, 10, 1, 386250, 128750, 42440, 13670, 4223, 1217, 314, 68, 11, 1, 1730832 ]
[ "easy", "nonn", "tabl" ]
A107524
[ 1, 1624, 469394, 53411736, 3280904386, 127316239640, 3436124165394, 68874946567384, 1075678419757826, 13578105257476056, 142586847332826130, 1275085008346749400, 9898168567719893000, 67776879944318280000, 414943157137643400000, 2.2976103053064945e+21 ]
[ "nonn" ]
A036260
[ 2921, 3017, 3473, 3479, 5767, 5969, 6167, 6377, 6497, 6913, 7223, 7519, 7567, 7751, 9017, 9271, 10199, 10447, 11431, 11929, 12719, 13439, 13609, 14513, 16583, 17009, 17143, 18631, 18809, 19313, 20737, 21119, 22337, 22351, 22537 ]
[ "nonn" ]
A155104
[ 1, 5, 45, 765, 25245, 1640925, 211679325, 54401586525, 27908013887325, 28605714234508124, 58613108466507145000, 2.4013790538727978e+23, 1.9674498588379832e+27, 3.2236665937060356e+31 ]
[ "nonn" ]
A315035
[ 1, 5, 9, 15, 19, 25, 31, 34, 45, 45, 54, 53, 63, 64, 73, 77, 82, 87, 91, 98, 105, 107, 114, 115, 125, 124, 137, 137, 144, 147, 155, 160, 165, 169, 174, 177, 185, 188, 199, 197, 206, 209, 217, 220, 227, 231, 234, 239, 247, 250 ]
[ "nonn" ]
A350879
[ 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 3, 1, 1, 0, 0, 0, 1, 2, 2, 1, 0, 0, 0, 0, 1, 4, 1, 1, 1, 0, 0, 0, 0, 1, 4, 2, 1, 1, 0, 0, 0, 0, 0, 1, 6, 3, 2, 1, 1, 0, 0, 0, 0, 0, 1, 7, 4, 2, 1, 1, 0, 0, 0, 0, 0, 0, 1, 11, 5, 2, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 11, 7, 2, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1 ]
[ "nonn", "tabl" ]
A295347
[ 5, 20, 76, 299, 1198, 4775, 19214, 77650, 314916, 1281050, 5224082, 21344769, 87348360, 357898094, 1467894633, 6025215866, 24746954977, 101691771957, 418041974157, 1719049438541, 7070709945652, 29088512708512, 119686780663978 ]
[ "nonn" ]
A146074
[ 1, 43263, 712448, 5100480, 4080384, 20401920, 11658240, 15301440, 0, 12241152, 22256640, 40803840, 0, 34974720, 32643072, 0, 0, 0, 0, 0, 23316480, 0, 21288960 ]
[ "nonn", "fini", "full" ]
A214010
[ 7, 1372, 9976732, 2747459653062, 29476753771054670000 ]
[ "nonn" ]
A224667
[ 196, 260, 332, 412, 500, 596, 700, 812, 932, 1060, 1196, 1340, 1492, 1652, 1820, 1996, 2180, 2372, 2572, 2780, 2996, 3220, 3452, 3692, 3940, 4196, 4460, 4732, 5012, 5300, 5596, 5900, 6212, 6532, 6860, 7196, 7540, 7892, 8252, 8620, 8996, 9380, 9772, 10172 ]
[ "nonn" ]
A228416
[ 1, 10, 75, 721, 6637, 60605, 514809, 4730382, 43254591, 392344689, 3421561753, 31049600245, 282499317912 ]
[ "more", "nonn", "base", "hard" ]
A353604
[ 1, 2, 5, 6, 3, 14, 9, 4, 7, 20, 17, 12, 23, 32, 39, 8, 13, 24, 29, 18, 21, 36, 47, 10, 15, 26, 55, 42, 51, 78, 53, 16, 19, 22, 11, 30, 25, 34, 59, 28, 37, 74, 57, 44, 99, 96, 87, 62, 49, 68, 81, 92, 71, 94, 85, 64, 111, 106, 123, 120, 109, 150, 167, 38, 31, 50 ]
[ "nonn", "base" ]
A272245
[ 8, 27, 1000, 2744, 4096, 46656, 68921, 274625, 941192, 1295029, 1481544, 1906624, 14886936, 34328125, 35937000, 45882712, 50243409, 63521199, 64000000, 67917312, 76225024, 95443993, 112678587, 142236648, 143877824, 174676879, 198155287, 203297472, 216000000 ]
[ "nonn" ]
A368627
[ 1, 1, 3, 7, 40, 103, 723, 1941, 15060, 41382, 340657, 950061, 8132676, 22916139, 201684153, 572618987, 5145063940, 14692661910, 134152006842, 384852888898, 3559210821120, 10248531332559, 95777105998365, 276630878235275, 2607824127882204, 7551545042631558, 71714198513326424 ]
[ "nonn" ]
A352775
[ 0, 9, 26, 34, 56, 74, 175, 130, 215, 308, 412, 472, 596, 477, 692, 919, 1123, 946, 1497, 1268, 1673, 2094, 2436, 2652, 2652, 2652, 3229, 3229, 3713, 4013, 5372, 4871, 4871, 5768, 5768, 6709, 8594, 7953, 7953, 9098, 10102, 10648, 11714, 10831, 12358, 12358, 13510 ]
[ "nonn" ]
A182944
[ 2, 4, 3, 8, 9, 5, 16, 27, 25, 7, 32, 81, 125, 49, 11, 64, 243, 625, 343, 121, 13, 128, 729, 3125, 2401, 1331, 169, 17, 256, 2187, 15625, 16807, 14641, 2197, 289, 19, 512, 6561, 78125, 117649, 161051, 28561, 4913, 361, 23 ]
[ "nonn", "tabl" ]
A143956
[ 1, 3, 2, 5, 4, 2, 7, 6, 4, 2, 9, 8, 6, 4, 2, 11, 10, 8, 6, 4, 2, 13, 12, 10, 8, 6, 4, 2, 15, 14, 12, 10, 8, 6, 4, 2, 17, 16, 14, 12, 10, 8, 6, 4, 2, 19, 18, 16, 14, 12, 10, 8, 6, 4, 2, 21, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2 ]
[ "nonn", "tabl" ]
A319100
[ 1, 1, 2, 2, 2, 2, 6, 4, 6, 2, 2, 4, 6, 6, 4, 4, 2, 6, 6, 4, 12, 2, 2, 8, 2, 6, 6, 12, 2, 4, 6, 4, 4, 2, 12, 12, 6, 6, 12, 8, 2, 12, 6, 4, 12, 2, 2, 8, 6, 2, 4, 12, 2, 6, 4, 24, 12, 2, 2, 8, 6, 6, 36, 4, 12, 4, 6, 4, 4, 12, 2, 24, 6, 6, 4, 12, 12, 12, 6, 8, 6, 2 ]
[ "nonn", "easy", "mult" ]
A069783
[ 1, 2, 4, 8, 16, 2, 4, 32, 32, 10, 20, 8, 16, 32, 448, 448, 1792, 32, 64, 80, 3200, 1280, 2560, 320, 448, 1792, 25088, 101920, 203840, 128, 256, 4096, 81920, 112640, 2048, 8960, 17920, 1024, 2048, 5120, 10240, 5734400, 11468800, 1003520, 250880, 8960, 17920 ]
[ "easy", "nonn" ]
A294642
[ 1, 1, 6, 45, 456, 5825, 89896, 1627437, 33822944, 793783233, 20765009344, 599157626925, 18904594000128, 647524807918209, 23929038677825150, 948995910652193300, 40203601321988825000, 1.8120250202443714e+21, 8.657700296087148e+22, 4.371100278517527e+24 ]
[ "nonn" ]
A335761
[ 0, 2, 3, 4, 8, 9, 12, 19, 20, 21, 27, 29, 34, 40, 43, 47, 48, 53, 55, 56, 57, 70, 76, 83, 87, 93, 95, 101, 103, 112, 119, 136, 138, 140, 144, 148, 152, 156, 157, 161, 164, 168, 174, 181, 193, 209, 212, 217, 219, 222, 239, 240, 253, 259, 275, 278, 279, 281, 285 ]
[ "nonn" ]
A019007
[ 3, 13, 37, 200, 960, 5234, 29645, 181949, 1177256, 7902692, 53837109, 367866717, 2508479243, 17078631504, 116405435614 ]
[ "nonn", "more" ]
A193729
[ 1, 1, 2, 3, 10, 8, 9, 42, 64, 32, 27, 162, 360, 352, 128, 81, 594, 1728, 2496, 1792, 512, 243, 2106, 7560, 14400, 15360, 8704, 2048, 729, 7290, 31104, 73440, 103680, 87552, 40960, 8192, 2187, 24786, 122472, 344736, 604800, 677376, 473088, 188416, 32768 ]
[ "nonn", "tabl" ]
A083105
[ 62638280004239860, 49463435743205656, 112101715747445500, 161565151490651170, 273666867238096670, 435232018728747840, 708898885966844500, 1144130904695592300, 1853029790662436900, 2997160695358029300, 4850190486020466000, 7847351181378495000 ]
[ "nonn", "easy" ]
A242789
[ 2, 3, 2, 2, 3, 3, 3, 4, 3, 4, 3, 6, 4, 7, 3, 4, 5, 4, 7, 5, 5, 4, 7, 9, 4, 7, 3, 7, 5, 13, 5, 4, 9, 12, 5, 6, 10, 16, 9, 4, 9, 16, 7, 5, 5, 4, 10, 13, 7, 7, 11, 13, 5, 9, 7, 6, 5, 12, 19, 9, 11, 17, 7, 7, 5, 11, 4, 16, 9, 5, 11, 16, 9, 13, 15, 13, 9, 12, 7, 31, 6, 16, 5 ]
[ "nonn" ]
A117335
[ 1, 1, 1, 1, -1, 1, 1, 6, -4, 1, 1, -27, 24, -8, 1, 1, 164, -157, 66, -13, 1, 1, -1133, 1176, -571, 146, -19, 1, 1, 8930, -9853, 5335, -1621, 281, -26, 1, 1, -78739, 91498, -53989, 18635, -3909, 491, -34, 1, 1, 768276, -933451, 591157, -225490, 54430, -8382, 799, -43, 1 ]
[ "sign", "tabl" ]
A217614
[ 13, 31, 71, 73, 337, 701, 733, 739, 743, 761, 937, 953, 967, 983, 1021, 1031, 1097, 1103, 1151, 1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249, 1279, 1381, 1399, 1499, 1511, 1583, 1597, 1723, 1733, 1831, 1933, 3011, 3019, 3083, 3089, 3191, 3271, 3299 ]
[ "nonn", "base", "easy" ]
A174629
[ 20, 24, 28, 36, 40, 44, 52, 56, 60, 21, 25, 29, 37, 41, 45, 53, 57, 61, 22, 26, 30, 38, 42, 46, 54, 58, 62, 23, 27, 31, 39, 43, 47, 55, 59, 63 ]
[ "base", "fini", "full", "nonn" ]
A275739
[ 617, 1723, 2731, 3191, 6547, 11087, 13103, 21683, 21839, 47737, 49727, 49739, 51679, 52361, 60679, 63719, 117721, 133169, 145531, 232681, 275183, 281353, 306431, 341879, 373463, 607319, 700883, 807241, 1212119, 1240559, 1281331, 1292927, 1353239, 1410361, 1602451, 1679599, 2236907 ]
[ "nonn" ]
A118549
[ 1, 8, 11, 18, 21, 28, 31, 38, 41, 38, 51, 58, 61, 68, 71, 78, 81, 88, 91, 98, 800, 801, 802, 803, 804, 805, 806, 807, 808, 809, 810, 811, 812, 813, 814, 815, 816, 817, 818, 819, 820, 821, 822, 823, 824, 825, 826, 827, 828, 829, 830 ]
[ "nonn", "word" ]
A126478
[ 1, 10, 58, 350, 2130, 12990, 79258, 483646, 2951370, 18010366, 109906170, 670689902, 4092809194, 24975905246, 152412637946, 930080892110, 5675713495690, 34635399953406, 211358612597658, 1289792038765742 ]
[ "nonn", "base" ]
A191382
[ 5, 13, 14, 15, 22, 23, 24, 25, 32, 33, 42, 47, 56, 57, 64, 65, 66, 67, 74, 75, 76, 84, 89, 98, 99, 106, 107, 108, 109, 116, 117, 118, 126, 127, 140, 141, 149, 150, 151, 158, 159, 160, 168, 169, 183, 191, 192, 193, 200, 201, 202, 203, 210, 211, 220, 225, 233, 234, 235, 242, 243, 244, 245, 252, 253, 254, 262, 267, 276, 277, 284, 285 ]
[ "nonn" ]
A073457
[ 7, 9, 15, 16, 22, 54, 66, 120, 210 ]
[ "fini", "full", "nonn" ]
A354423
[ 1, 2, 4, 10, 22, 58, 233, 827, 3359, 16631, 114371, 708278, 3975838, 35724478 ]
[ "nonn", "more" ]
A095027
[ 65, 2059, 19171, 1586131, 1161737179, 94134790219, 450283768452043900, 7.509466514977364e+33, 2.9093211893625705e+42, 1.9088056323407826e+46 ]
[ "nonn" ]
A137824
[ 1, 3, 2, 4, 12, 8, 16, 48, 32, 64, 192, 128, 256, 768, 512, 1024, 3072, 2048, 4096, 12288, 8192, 16384, 49152, 32768, 65536, 196608, 131072, 262144, 786432, 524288, 1048576, 3145728, 2097152, 4194304, 12582912, 8388608, 16777216, 50331648 ]
[ "nonn", "easy" ]
A381034
[ 15, 20, 25, 45, 50, 55, 63, 75, 80, 85, 91, 98, 105, 110, 115, 126, 135, 140, 145, 165, 170, 175, 182, 189, 195, 200, 205, 225, 230, 235, 255, 260, 265, 273, 285, 290, 295, 301, 308, 315, 320, 325, 336, 345, 350, 355, 375, 380, 385, 392, 399, 405, 410, 415, 429, 435, 440, 445, 451, 465, 470, 475, 483, 495, 500, 505 ]
[ "nonn" ]
A291169
[ 1, -1, 1, -1, 1, -1, 1, -1, 1, 0, -1, 2, -3, 4, -5, 6, -7, 7, -6, 4, -1, -3, 8, -14, 21, -28, 34, -38, 39, -36, 28, -14, -7, 35, -69, 107, -147, 184, -213, 228, -222, 188, -120, 14, 133, -318, 533, -764, 990, -1183, 1309, -1330, 1204, -892, 363, 400, -1393, 2584 ]
[ "sign" ]
A015812
[ 6, 10, 14, 22, 24, 26, 27, 28, 34, 38, 40, 45, 46, 54, 58, 62, 74, 82, 86, 90, 94, 106, 118, 122, 132, 134, 142, 146, 158, 166, 178, 184, 194, 202, 206, 214, 218, 226, 254, 260, 262, 274, 278, 298, 302, 314, 326, 334, 346, 358, 362, 374, 382, 386, 394, 398 ]
[ "nonn" ]
A155495
[ 1, 1, 1, 1, 12, 1, 1, 45, 45, 1, 1, 112, 420, 112, 1, 1, 225, 2100, 2100, 225, 1, 1, 396, 7425, 18480, 7425, 396, 1, 1, 637, 21021, 105105, 105105, 21021, 637, 1, 1, 960, 50960, 448448, 900900, 448448, 50960, 960, 1, 1, 1377, 110160, 1559376, 5513508, 5513508, 1559376, 110160, 1377, 1 ]
[ "nonn", "tabl" ]
A152571
[ -1, 1, -1, 4, -1, -1, 16, -4, -1, -1, 64, -16, -4, -1, -1, 256, -64, -16, -4, -1, -1, 1024, -256, -64, -16, -4, -1, -1, 4096, -1024, -256, -64, -16, -4, -1, -1, 16384, -4096, -1024, -256, -64, -16, -4, -1, -1, 65536, -16384, -4096, -1024, -256, -64, -16, -4, -1, -1 ]
[ "sign", "easy", "tabl" ]
A305391
[ 3, 1, 2, 3, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3, 1, 2, 3, 3, 1, 2, 3, 2, 3, 1, 2, 3, 2, 3, 1, 2, 3, 3, 1, 2, 3, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3, 1, 2, 3, 3, 1, 2, 3, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3, 1, 2, 3, 3, 1, 2, 3, 2, 3, 1, 2, 3, 2, 3, 1, 2, 3, 3, 1, 2, 3, 2, 3, 1, 2, 3, 1, 2 ]
[ "nonn" ]
A080957
[ 5, 11, 20, 34, 55, 85, 126, 180, 249, 335, 440, 566, 715, 889, 1090, 1320, 1581, 1875, 2204, 2570, 2975, 3421, 3910, 4444, 5025, 5655, 6336, 7070, 7859, 8705, 9610, 10576, 11605, 12699, 13860, 15090, 16391, 17765, 19214, 20740, 22345, 24031, 25800 ]
[ "easy", "nonn" ]
A001276
[ 2, 3, 7, 15, 27, 41, 62, 85, 115, 150, 186, 229, 274, 323, 380, 443, 509, 577, 653, 733, 818, 912, 1010, 1114, 1222, 1331, 1448, 1572, 1704, 1845, 1994, 2138, 2289, 2445, 2609, 2774, 2948, 3127, 3311, 3502, 3699, 3900, 4112, 4324, 4546, 4775, 5016, 5255, 5493 ]
[ "nonn" ]
A220019
[ 4, 27, 93, 265, 685, 1265, 2005, 2905, 3965, 5185, 6565, 8105, 9805, 11665, 13685, 15865, 18205, 20705, 23365, 26185, 29165, 32305, 35605, 39065, 42685, 46465, 50405, 54505, 58765, 63185, 67765, 72505, 77405, 82465, 87685, 93065, 98605, 104305, 110165, 116185, 122365, 128705, 135205, 141865, 148685 ]
[ "base", "nonn" ]
A144346
[ 1, 12, 160, 2520, 46480, 987840, 23826880, 643843200, 19280060800, 634002969600, 22718375680000, 881259515136000, 36796205974528000, 1645615697037312000, 78486991029551100000, 3.9769300018422376e+21, 2.13353732165508e+23, 1.208178398879766e+25 ]
[ "nonn", "easy" ]
A222367
[ 4, 10, 40, 191, 992, 11249, 73499, 860209, 6307306, 74012176, 548361088, 6378096812, 48367991654, 550707554841, 4263914923100, 47703529309311, 376110082681155, 4139579798966437, 33202155719397270, 359908637810354240 ]
[ "nonn" ]
A253698
[ 16, 40, 40, 104, 76, 104, 264, 150, 146, 264, 680, 282, 234, 304, 680, 1736, 540, 356, 480, 602, 1736, 4456, 1026, 618, 700, 878, 1182, 4456, 11400, 1984, 968, 992, 1120, 1472, 2416, 11400, 29224, 3782, 1608, 1262, 1632, 1638, 2982, 4772, 29224, 74824 ]
[ "nonn", "tabl" ]
A212199
[ 0, 1, 0, 1, 1, 5, 11, 39, 113, 377, 1207, 4043, 13509, 45957, 157171, 542671, 1884665, 6586993, 23137647, 81662355, 289414157, 1029598333, 3675337963, 13160833623, 47261437761, 170164260713, 614154154791, 2221545593179, 8052506141653, 29244341625077, 106397352342243, 387745600670175, 1415284544031241, 5173441096267489, 18937206005320416, 69409364862108450 ]
[ "nonn" ]
A353502
[ 1, 125, 343, 625, 1331, 2197, 2401, 3125, 4913, 6859, 12167, 14641, 15625, 16807, 24389, 28561, 29791, 42875, 50653, 68921, 78125, 79507, 83521, 103823, 117649, 130321, 148877, 161051, 166375, 205379, 214375, 226981, 274625, 279841, 300125, 300763, 357911 ]
[ "nonn" ]
A093736
[ 2, 2, 3, 3, 3, 8, 8, 8, 8, 45, 45, 15, 45, 45, 288, 96, 144, 144, 96, 288, 140, 35, 140, 35, 140, 35, 140, 17280, 17280, 640, 17280, 17280, 640, 17280, 17280, 14175, 14175, 14175, 14175, 2835, 14175, 14175, 14175, 14175, 89600, 89600, 2240, 5600, 44800 ]
[ "nonn", "frac" ]
A119323
[ 3, 2, 2, 2, 3, 2, 2, 3, 2, 2, 7, 2, 5, 3, 2, 2, 3, 3, 2, 5, 2, 2, 3, 2, 3, 29, 2, 3, 3, 2, 2, 3, 3, 2, 5, 2, 2, 3, 3, 2, 5, 2, 3, 3, 2, 17, 3, 5, 2, 5, 2, 2, 3, 2, 2, 13, 2, 3, 3, 3, 7, 13, 5, 2, 3, 2, 3, 5, 2, 2, 5, 3, 7, 3, 2, 2, 3, 3, 2, 3, 13, 2, 19, 2, 3, 5, 2, 11, 11, 2, 2, 7, 3, 3, 3, 2, 2, 3, 2, 2, 19, 7 ]
[ "easy", "nonn" ]
A367604
[ -1, 17, 2, 1259, 3243760, 33779, 8367, 3, 2137453, 29347, 4, 27, 3097837317, 75455289096, 144693554136426370, 586, 8.250248375768636e+27, 4956282, 51496560713, 7977231, 4, 560002, 48, 779641, 10712620148411, 4.494808286803632e+34 ]
[ "sign", "base" ]
A064531
[ 2, 1, 1, 1, 1, 1, 2, 1, 3, 2, 2, 1, 1, 1, 1, 1, 2, 1, 3, 2, 2, 1, 1, 1, 1, 1, 2, 1, 3, 2, 2, 1, 1, 1, 1, 1, 2, 1, 3, 2, 2, 1, 1, 1, 1, 1, 2, 1, 3, 2, 2, 1, 1, 1, 1, 1, 2, 1, 3, 2, 3, 2, 2, 2, 2, 2, 3, 2, 4, 3, 2, 1, 1, 1, 1, 1, 2, 1, 3, 2, 4, 3, 3, 3, 3, 3, 4, 3, 5, 4, 3, 2, 2, 2, 2, 2, 3, 2, 4, 3, 3, 2, 2, 2, 2 ]
[ "nonn", "easy", "base" ]
A273729
[ 1, 1, 2, 7484400 ]
[ "nonn" ]
A080546
[ 1, 3, 6, 13, 19, 34, 44, 70, 85, 95, 86, 77, 49, 27, 10, 4, 1 ]
[ "nonn", "fini", "full" ]
A332397
[ 3, 1, 2, 4, 1, 8, 8, 1, 2, 3, 9, 7, 4, 4, 2, 7, 8, 8, 6, 4, 5, 1, 7, 7, 7, 6, 1, 7, 2, 9, 9, 3, 5, 8, 2, 8, 5, 1, 6, 5, 4, 5, 3, 5, 3, 4, 6, 2, 6, 5, 2, 2, 9, 1, 1, 2, 6, 3, 2, 1, 4, 4, 9, 2, 8, 3, 8, 6, 3, 9, 3, 4, 3, 5, 4, 1, 6, 3, 2, 9, 2, 9, 8, 6, 7, 8, 1, 3, 2, 7, 8, 7, 1, 5, 8, 8, 5, 3, 6, 8, 1, 3, 6, 5, 3, 8, 6, 8 ]
[ "nonn", "cons", "base" ]
A125428
[ 1, 16, 184, 1864, 21352, 249496, 2954044, 35167876, 419756872, 5015971864, 59971194884, 717190706556, 8577760468228, 102596987977708, 1227170820007330, 14678437539684814, 175572556087135230 ]
[ "nonn", "base" ]
A131932
[ 1, 3, 1, 1, 8, 1, 3, 6, 1, 26, 2, 2, 5, 2, 8, 23, 1, 6, 1, 107, 6, 1, 14, 1, 1, 1, 19, 2, 8, 28, 1, 93, 2, 4, 5, 5, 22, 1, 10, 1, 1, 588, 2, 20, 5, 1, 64, 4, 1, 5, 2, 5, 81, 1, 1, 18, 1, 25, 112, 2, 5, 1, 1 ]
[ "nonn" ]
A056785
[ 1, 4, 23, 211, 2227, 25824, 310242, 3818983, 47752136, 604425323 ]
[ "hard", "more", "nonn" ]
A000341
[ 1, 2, 3, 6, 26, 96, 210, 1106, 3759, 12577, 74072, 423884, 2333828, 16736611, 99838851, 630091746, 4525325020, 38848875650, 342245714017, 3335164762941, 31315463942337, 241353231085002, 2350106537365732, 17903852593938448, 158065352670318620, 1815064841856534300, 20577063085601740000, 276081763499377230000 ]
[ "nonn", "nice" ]
A390726
[ 1, 1, 44, 6750, 2274384, 1357398000, 1267789406400, 1710145647690480, 3149899815315052500, 7.600887375048946e+21, 2.327789140908691e+25, 8.823149818801822e+28, 4.0556525563730336e+32, 2.223024959128781e+36, 1.4326217550468365e+40 ]
[ "nonn", "new" ]
A326336
[ 1, 1, 1, 1, 2, 7, 24, 100, 458, 2279, 12270 ]
[ "nonn", "more" ]
A124131
[ 0, 1, 1, 9, 77, 1037, 19113, 464785, 14410309, 554826453, 25971640865, 1452575521241, 95664836241981, 7327813077384349, 645942544224008800, 64924081840553650000, 7.380723366892082e+21, 9.422577708644094e+23 ]
[ "nonn" ]
A328202
[ 6, 10, 5, 7, 14, 6, 3, 11, 11, 13, 13, 1, 2, 34, 17, 19, 19, 1, 1, 23, 23, 5, 5, 3, 3, 29, 29, 31, 62, 2, 1, 1, 1, 37, 37, 1, 1, 41, 41, 43, 43, 1, 1, 47, 47, 7, 7, 1, 1, 53, 53, 1, 1, 1, 1, 59, 59, 61, 61, 1, 2, 2, 1, 67, 67, 1, 1, 71, 71, 73, 73, 1, 1, 1, 1 ]
[ "nonn", "look" ]
A350327
[ 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 10, 11, 11, 12, 12, 12, 13, 13, 14, 14, 14, 15, 15, 16, 16, 16, 17, 17, 18, 18, 18, 19, 19, 20, 20, 20, 21, 21, 22, 22, 22, 23, 23, 24, 24, 24, 25, 25, 26, 26, 26, 27, 27, 28, 28, 28, 29, 29, 30 ]
[ "nonn", "easy", "changed" ]
A261690
[ 1, 4, 2, 7, 13, 22, 11, 34, 17, 40, 20, 10, 5, 16, 8, 25, 31, 49, 52, 26, 61, 67, 76, 38, 19, 58, 29, 79, 88, 44, 94, 47, 103, 115, 121, 133, 142, 71, 148, 74, 37, 112, 56, 28, 14, 43, 85, 130, 65, 157, 169, 175, 184, 92, 46, 23, 70, 35, 106, 53, 139, 160, 80 ]
[ "nonn" ]
A031495
[ 8, 17, 26, 35, 44, 53, 62, 71, 73, 74, 75, 76, 77, 78, 79, 98, 107, 116, 125, 134, 143, 152, 154, 155, 156, 157, 158, 159, 160, 179, 188, 197, 206, 215, 224, 233, 235, 236, 237, 238, 239, 240, 241, 260, 269, 278, 287, 296, 305, 314 ]
[ "nonn", "base" ]
A234248
[ 3, 6, 12, 21, 36, 57, 90, 129, 186, 261, 354, 465, 612, 783, 990, 1233, 1524, 1863, 2262, 2703, 3216, 3801, 4458, 5187, 6024, 6951, 7986, 9129, 10392, 11775, 13302, 14943, 16746, 18711, 20844, 23145, 25668, 28377, 31296, 34425, 37782, 41367, 45210, 49287 ]
[ "nonn", "nice" ]
A363195
[ 1, 4, 5, 4, 6, 7, 5, 4, 8, 16, 6, 9, 4, 20, 10, 5, 20, 7, 24, 16, 11, 25, 4, 28, 24, 20, 12, 8, 4, 5, 30, 16, 6, 16, 32, 30, 24, 13, 4, 20, 35, 20, 28, 9, 4, 36, 36, 28, 14, 16, 25, 20, 40, 16, 24, 35, 4, 40, 5, 42, 7, 32, 15, 6, 20, 32, 16, 20, 10, 30, 45, 20 ]
[ "nonn", "easy" ]
A331824
[ 1, 1264, 2104, 2944, 4624, 11888, 23768, 27312, 27728, 31688, 35648, 49144, 51488, 55448, 56704, 58384, 60072, 63424, 65104, 66784, 70144, 71288, 75248, 76452, 79208, 81904, 87128, 91088, 92832, 99008, 102968, 114848, 118808, 123904, 125592, 126728, 130624, 131044 ]
[ "nonn", "base" ]
A197481
[ 3, 7, 9, 2, 4, 7, 9, 7, 7, 6, 3, 5, 1, 5, 1, 8, 5, 2, 5, 9, 6, 4, 8, 3, 2, 8, 6, 6, 8, 5, 0, 0, 2, 7, 8, 3, 1, 9, 4, 9, 3, 4, 7, 6, 3, 4, 4, 9, 8, 5, 8, 4, 2, 4, 0, 0, 5, 0, 6, 0, 8, 4, 2, 2, 4, 5, 3, 6, 6, 1, 1, 5, 7, 8, 2, 4, 2, 4, 0, 5, 9, 3, 2, 9, 3, 4, 4, 2, 6, 8, 3, 9, 2, 1, 4, 9, 0, 9, 0 ]
[ "nonn", "cons" ]
A076638
[ 12, 20, 2520, 27720, 720720, 4084080, 5173168, 80313433200, 2329089562800, 13127595717600, 485721041551200, 2844937529085600, 1345655451257489000, 3.099044504245997e+21, 5.474978624167927e+22, 3.2302373882590773e+24 ]
[ "nonn", "frac" ]
A176314
[ 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 3, 0, 2, 2, 1, 1, 4, 2, 5, 2, 2, 3, 6, 0, 3, 5, 6, 4, 8, 2, 6, 4, 5, 7, 6, 1, 6, 9, 11, 5, 10, 4, 9, 8, 5, 8, 13, 3, 8, 7, 10, 10, 16, 11, 12, 5, 8, 12, 18, 4, 10, 14, 10, 10, 12, 8, 15, 16, 20, 13, 20, 4, 11, 16, 15, 16, 16, 12, 19, 7, 11, 17, 25, 11, 14, 20, 25 ]
[ "nonn" ]
A244510
[ 0, 10, 11, 12, 13, 20, 21, 22, 30, 31, 32, 40, 41, 50, 60, 61, 70, 80, 90, 100, 101, 102, 103, 104, 105, 110, 111, 120, 121, 122, 130, 131, 140, 141, 150, 160, 170, 171, 180, 190, 200, 201, 202, 210, 211, 212, 220, 221, 230, 231, 240, 250, 260, 261, 270, 280 ]
[ "nonn", "base" ]
A107736
[ 35, 46651605, 62126595542551, 82734857056306150000, 1.1017916742981956e+26, 1.4672713977455199e+32, 1.9539858621761754e+38, 2.6021503284606163e+44, 3.465320022513647e+50 ]
[ "nonn", "easy" ]
A030113
[ 1, 9, 45, 285, 1695, 10317, 62349, 377739, 2286648, 13846117, 83833256, 507596153, 3073376281, 18608642427, 112671254094, 682200039446, 4130572919575, 25009722123505, 151428434581516, 916866281219258 ]
[ "nonn", "easy" ]
A289762
[ 1, 1, 4, 2, 2, 4, 9, 5, 3, 3, 5, 9, 16, 10, 6, 4, 4, 6, 10, 16, 25, 17, 11, 7, 5, 5, 7, 11, 17, 25, 36, 26, 18, 12, 8, 6, 6, 8, 12, 18, 26, 36, 49, 37, 27, 19, 13, 9, 7, 7, 9, 13, 19, 27, 37, 49, 64, 50, 38, 28, 20, 14, 10, 8, 8, 10, 14, 20, 28, 38, 50, 64, 81, 65, 51, 39, 29, 21, 15, 11, 9 ]
[ "nonn", "tabf", "easy" ]
A302146
[ 1, 2, 4, 10, 28, 84, 260, 816, 2576, 8152, 25824, 81840, 259408, 822304, 2606720, 8263456, 26195776, 83042752, 263252544, 834533120, 2645541888, 8386596224, 26586234880, 84280663296, 267176990976, 846974167552, 2684981361664 ]
[ "nonn" ]
A064571
[ 1, 7, 733, 365059, 480457465, 1310073012031, 6410226944228437, 51135786265589040000, 6.208573086103402e+23, 1.0894455325845833e+28, 2.6536177643300558e+32, 8.686235999260031e+36, 3.720975441104116e+41 ]
[ "nonn", "easy" ]
A375125
[ 0, 1, 2, 3, 4, 5, 1, 7, 8, 9, 10, 11, 1, 3, 3, 15, 16, 17, 18, 19, 2, 21, 5, 23, 1, 3, 6, 7, 3, 7, 7, 31, 32, 33, 34, 35, 36, 37, 9, 39, 2, 5, 42, 43, 5, 11, 11, 47, 1, 3, 6, 7, 1, 13, 3, 15, 3, 7, 14, 15, 7, 15, 15, 63, 64, 65, 66, 67, 68, 69, 17, 71, 4, 73 ]
[ "nonn" ]
A343784
[ 5, 8, 1, 1, 6, 2, 3, 1, 8, 8, 1, 1, 9, 6, 4, 8, 9, 2, 9, 7, 9, 8, 9, 8, 6, 6, 7, 9, 1, 8, 1, 1, 2, 0, 4, 5, 8, 5, 0, 0, 2, 4, 1, 8, 9, 6, 1, 4, 4, 0, 7, 9, 7, 4, 5, 9, 6, 7, 2, 1, 4, 6, 9, 4, 8, 5, 3, 9, 2, 6, 6, 2, 3, 8, 4, 5, 0, 9, 7, 6, 2, 3, 9, 8, 6, 0, 1 ]
[ "nonn", "cons", "easy" ]
A291820
[ 1, 1, 0, 1, 2, 0, 1, 7, 5, 0, 1, 16, 38, 14, 0, 1, 30, 157, 189, 42, 0, 1, 50, 477, 1245, 904, 132, 0, 1, 77, 1197, 5616, 8791, 4242, 429, 0, 1, 112, 2632, 19881, 55566, 57854, 19723, 1430, 0, 1, 156, 5250, 59327, 265204, 491947, 363880, 91366, 4862, 0, 1, 210, 9714, 155783, 1035442, 3062271, 4039551, 2220933, 423124, 16796, 0, 1, 275, 16929, 370205, 3472513, 15217674, 31979723, 31463341, 13285415, 1963169, 58786, 0, 1, 352, 28094, 811877, 10331673, 63678254, 197983540, 310618856, 235959185, 78419541, 9138416, 208012, 0 ]
[ "nonn", "tabl" ]
A036544
[ 2, 4, 8, 32, 256, 2480, 24704, 246928, 2469152, 24691376, 246913600, 2469135824, 24691358048, 246913580272, 2469135802496, 24691358024720, 246913580246944, 2469135802469168, 24691358024691390, 246913580246913600, 2469135802469136000, 24691358024691360000 ]
[ "nonn", "easy" ]
A257203
[ 2423, 7800, 20815, 67606, 191070, 443711, 992467, 2153497, 4441745, 8865989, 17513940, 33716004, 63122416, 116916487, 215061906, 390592396, 702133715, 1252287829, 2218180477, 3907760319, 6851939815, 11959426756, 20788960871 ]
[ "nonn" ]
A028590
[ 1, 0, 0, 0, 2, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 4, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 4, 0, 0, 4, 0, 0, 0, 0, 2, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 4, 0, 0, 4, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0 ]
[ "nonn" ]
A045690
[ 1, 1, 2, 3, 6, 10, 20, 37, 74, 142, 284, 558, 1116, 2212, 4424, 8811, 17622, 35170, 70340, 140538, 281076, 561868, 1123736, 2246914, 4493828, 8986540, 17973080, 35943948, 71887896, 143771368, 287542736, 575076661, 1150153322, 2300289022, 4600578044, 9201120918 ]
[ "nonn", "easy", "nice" ]
A353337
[ 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 2, 0, 0, 0, 0, 1, 1, 0, 2, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 3, 0, 1, 1, 2, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 2, 1, 2, 1, 1, 0, 3, 0, 1, 0, 3, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 2, 1, 0, 3, 1, 1, 1, 2, 0, 3, 1, 0, 1, 1, 1, 4, 0, 0, 0, 3, 0, 0, 0, 2, 0 ]
[ "nonn" ]
A332626
[ 1, 2, 4, 20, 40, 152, 664, 1760, 5680, 24752, 138064, 356480, 1568320, 5886752, 32781664, 266420000, 726928960, 3135277952, 16299729664, 81402739520, 640678081600, 7084434124352, 18897678264064, 92846198695040, 464088929482240, 3347512310365952 ]
[ "nonn" ]
A051902
[ 5, 13, 61, 421, 4621, 150151, 8678671, 106696591, 2454021571, 71166625531, 401120980261, 170676977100631, 2129751844690471, 562558737261811260, 11682905869181338000, 97767475431570130000, 9.613801750771064e+21, 2.3457676271881395e+23, 5.500825085756187e+25 ]
[ "nonn" ]
A116657
[ 1, 2, 3, 4, 5, 8, 20, 38, 39, 82, 190, 192, 444, 2702, 40079, 40156, 251719, 251725, 251733, 251740, 251788, 637322, 637342, 10553424, 10553571, 10553575, 10553646, 10553824, 27066990, 69709708, 69709870, 69709881, 69709941, 179992918, 179993010 ]
[ "nonn" ]
A276539
[ 1, 4, 9, 8, 9, 0, 4, 8, 4, 4, 1, 2, 0, 8, 4, 4, 3, 1, 5, 6, 7, 7, 3, 1, 3, 2, 5, 9, 5, 3, 8, 1, 8, 6, 4, 5, 6, 9, 7, 0, 6, 1, 5, 7, 5, 3, 7, 4, 9, 4, 3, 3, 5, 3, 5, 7, 2, 0, 5, 7, 6, 4, 1, 6, 7, 5, 5, 9, 7, 9, 6, 1, 7, 3, 9, 5, 5, 2, 0, 2, 4, 9, 7, 5, 8, 0, 3, 0, 3, 3, 3, 1, 6, 6, 7, 8, 6, 6, 5, 1, 2, 1, 8, 0, 9 ]
[ "nonn", "cons" ]
A348103
[ 1, 2, 5, 16, 57, 262, 1746, 18304, 340435, 11805530, 779700089, 96708911116, 22633062447491, 9857264291668086 ]
[ "nonn" ]
A190499
[ 1, 4, 6, 11, 16, 18, 21, 23, 28, 30, 33, 35, 40, 42, 45, 47, 50, 52, 57, 59, 62, 64, 69, 71, 74, 76, 79, 81, 86, 88, 91, 93, 98, 100, 103, 105, 110, 112, 115, 117, 120, 122, 127, 129, 132, 134, 139, 141, 144, 146, 149, 151, 156, 158, 161, 163, 168, 170, 173, 175, 180, 185, 187, 190, 192, 197, 199, 202, 204, 209, 211, 214, 216, 219 ]
[ "nonn" ]
A139439
[ 1, 2, 3, 4, 7, 18, 21, 70, 76, 323, 340, 556, 572, 3433, 5457, 5897, 10820 ]
[ "nonn", "more" ]