id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A233074
[ 2, 5, 23, 32, 47, 52, 65, 86, 140, 161, 170, 193, 203, 228, 266, 312, 356, 389, 403, 438, 453, 490, 545, 610, 671, 716, 735, 782, 802, 851, 1007, 1085, 1142, 1166, 1250, 1311, 1503, 1598, 1667, 1696, 1767, 1870, 2098, 2177, 2210, 2291, 2325, 2408, 2528, 2792, 2883 ]
[ "nonn", "easy" ]
A327377
[ 1, 0, 0, 0, 0, 1, 1, 0, 3, 0, 10, 12, 12, 4, 3, 253, 260, 160, 60, 35, 0, 12068, 9150, 4230, 1440, 480, 66, 15, 1052793, 570906, 195048, 53200, 12600, 2310, 427, 0, 169505868, 63523656, 15600032, 3197040, 585620, 95088, 14056, 1016, 105 ]
[ "nonn", "tabl" ]
A121307
[ 8, 20, 44, 50, 68, 92, 110, 116, 125, 164, 170, 188, 212, 230, 236, 242, 275, 284, 290, 332, 356, 374, 404, 410, 425, 428, 452, 470, 506, 524, 530, 548, 575, 578, 590, 596, 605, 638, 668, 692, 710, 716, 725, 764, 782, 788, 830, 890, 902, 908, 932, 935, 956 ]
[ "easy", "nonn" ]
A378967
[ 9, 7, 8, 6, 7, 3, 4, 4, 2, 0, 9, 0, 3, 2, 3, 5, 4, 7, 7, 7, 1, 5, 4, 6, 5, 9, 5, 1, 9, 9, 2, 5, 1, 7, 4, 8, 6, 1, 7, 8, 8, 5, 7, 0, 2, 3, 0, 8, 6, 3, 2, 9, 3, 0, 0, 5, 2, 8, 0, 9, 5, 4, 2, 0, 1, 9, 6, 5, 3, 4, 8, 4, 6, 9, 9, 9, 6, 0, 1, 7, 3, 4, 0, 8, 3, 5, 9, 6, 2, 6, 6, 4, 4, 2, 0, 5, 1, 0, 5, 6 ]
[ "nonn", "cons", "easy" ]
A258926
[ 1, -120, -21859200, -131273353728000, -6.72523759347112e+21, -1.6539930873785743e+30, -1.4058328229615046e+39, -3.3343805585871616e+48, -1.8982929854690023e+58 ]
[ "sign" ]
A281947
[ 2, 3, 7, 7, 37, 37, 113, 113, 241, 241, 241, 241, 241, 241, 241, 241, 241, 241, 2113, 2113, 2113, 2113, 2113, 2113, 3121, 3121, 3121, 3121 ]
[ "nonn", "more" ]
A026190
[ 2, 1, 4, 6, 7, 3, 10, 12, 13, 5, 16, 18, 19, 21, 22, 8, 25, 9, 28, 30, 31, 11, 34, 36, 37, 39, 40, 14, 43, 15, 46, 48, 49, 17, 52, 54, 55, 57, 58, 20, 61, 63, 64, 66, 67, 23, 70, 24, 73, 75, 76, 26, 79, 27, 82, 84, 85, 29, 88, 90, 91, 93, 94 ]
[ "nonn" ]
A384166
[ 1, 3, 60, 1989, 92160, 5486535, 399072960, 34298042625, 3400783626240, 382128386114475, 47986411423104000, 6659996213472127000, 1.0123343873515192e+21, 1.6725349368675298e+23, 2.984293506503637e+25, 5.719198821953334e+27, 1.1716204249829725e+30 ]
[ "nonn", "easy" ]
A230963
[ 8, 55, 549, 5280, 44403, 325008, 2685304, 27358559, 241709752, 1870181225, 12766175931, 138963670560, 1291487885997, 10519458225072, 74032715923371, 690521409218881, 6773980286782088, 57975621715535096, 433109386513469100, 3345582274543898600 ]
[ "nonn" ]
A215952
[ 1, 2, 3, 11, 22, 26, 173, 212, 263, 276, 16262, 27073, 193744, 208139, 311207, 2445865, 112791955, 142048458, 142837143, 153856154, 161933320, 164855165, 181838182, 200085674, 203701046, 213072687, 224870383, 225583910, 244765245, 252717253, 265704266 ]
[ "nonn", "base" ]
A006450
[ 3, 5, 11, 17, 31, 41, 59, 67, 83, 109, 127, 157, 179, 191, 211, 241, 277, 283, 331, 353, 367, 401, 431, 461, 509, 547, 563, 587, 599, 617, 709, 739, 773, 797, 859, 877, 919, 967, 991, 1031, 1063, 1087, 1153, 1171, 1201, 1217, 1297, 1409, 1433, 1447, 1471 ]
[ "easy", "nice", "nonn" ]
A136703
[ 1, 0, 2, 3, 12, 26, 78, 195, 546, 1452, 4026, 11010, 30660, 85254, 239144, 672195, 1899120, 5379738, 15292914, 43581852, 124527988, 356594898, 1023295422, 2941952130, 8472886092, 24440956260, 70607383938 ]
[ "nonn" ]
A374535
[ 0, 1, 7, 19, 31, 61, 133, 189, 213, 330, 510, 642, 786, 968, 1304, 1664, 1712, 2018, 2720, 3100, 3460, 4132, 4924, 5476, 5764, 6539, 7631, 8711, 9383, 10253, 12413, 13405, 13501, 15085, 16921, 18601, 20005, 21411, 23691, 25875, 26595, 28317, 32349, 34241, 35825, 39335, 42647, 44903 ]
[ "nonn" ]
A290792
[ 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 5, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 9, 9, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 18, 18, 19, 19, 20, 20, 22, 22, 23, 23, 25, 25, 27, 27, 28, 28, 30, 30, 32, 32, 34, 34, 36, 36, 38, 38, 40, 40, 42, 42, 45, 45, 47, 47, 49, 49, 52, 52, 54, 54, 57 ]
[ "nonn" ]
A246603
[ 1, 1, 7, 37, 37, 37, 37, 1423, 10987, 13297, 219277, 219277, 669463, 2215987, 7841563, 33376753, 54444163, 112545673, 267625087, 1676296087, 2772262903, 2782012963, 4341199657, 34694683237, 39965586763, 232265913427, 1879768081657, 1879768081657 ]
[ "nonn" ]
A285433
[ 305778479, 306748679, 1067113823, 2837965199, 4533292679, 8345667119, 12120181079, 12148200719, 13765945199, 13949792159, 14404208279, 16237621679, 18147459479, 18780179879, 19542401339, 19662679679, 20045705819, 20383699199, 22383737879, 24039703967, 24405534719 ]
[ "nonn" ]
A290759
[ 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 5, 1, 1, 1, 4, 17, 14, 1, 1, 1, 5, 43, 171, 42, 1, 1, 1, 6, 89, 1252, 3113, 132, 1, 1, 1, 7, 161, 5885, 104098, 106419, 429, 1, 1, 1, 8, 265, 20466, 1518897, 25511272, 7035649, 1430, 1, 1, 1, 9, 407, 57799, 12833546, 1558435125, 18649337311, 915028347, 4862, 1 ]
[ "nonn", "tabl" ]
A289697
[ 9, 11, 13, 17, 23, 25, 29, 31, 37, 43, 53, 65, 71, 77, 79, 115, 119, 151, 173, 559, 793, 1571, 1715, 1807, 1861, 2047, 2215, 3491, 4751, 6631, 9089, 9139, 9253, 25811, 29491, 29495, 54335, 54991, 66535, 72365 ]
[ "nonn", "more" ]
A308936
[ 1, 2, 3, 4, 4, 5, 6, 7, 8, 9, 9, 10, 11, 11, 12, 12, 13, 14, 15, 15, 16, 17, 18, 18, 19, 20, 21, 21, 22, 23, 24, 24, 25, 26, 26, 27, 27, 28, 29, 30, 30, 31, 32, 32, 33, 33, 34, 35, 35, 36, 36, 37, 38, 39, 39, 40, 41, 42, 42, 43, 44, 44, 45, 45, 46, 47, 48, 48, 49, 50, 51, 51, 52, 53, 53, 54, 54, 55, 56, 57, 57 ]
[ "nonn" ]
A123752
[ 1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 16807, 33614, 117649, 235298, 823543, 1647086, 5764801, 11529602, 40353607, 80707214, 282475249, 564950498, 1977326743, 3954653486, 13841287201, 27682574402, 96889010407, 193778020814 ]
[ "nonn", "easy" ]
A267687
[ 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1 ]
[ "nonn", "tabf", "easy" ]
A146373
[ 1, 1, 1, 9, 25, 125, 1331, 18779, 389231, 11969301, 573650431, 41782304071, 4475707668912, 731606853804073, 181071469572900860 ]
[ "nonn" ]
A008504
[ 1, 12, 78, 364, 1365, 4368, 12376, 31824, 75582, 167960, 352716, 705431, 1352066, 2496066, 4457036, 7724795, 13033527, 21461804, 34565466, 54551718, 84504355, 128671764, 192831288, 284745682 ]
[ "nonn", "easy" ]
A036948
[ 7, 67, 677, 0, 67777, 666667, 6676667, 66666667, 666666667, 6666666767, 66666666667, 666666676667, 6666666667777, 66666667677767, 666666666667777, 6666666666767777, 66666666666667660, 666666666666676600 ]
[ "nonn", "base" ]
A303455
[ 64, 8192, 658204, 55681352, 4729712941, 401712282811, 34135836415352, 2900896415900109, 246526793165030700, 20950755659230073000, 1.7804760373118414e+21, 1.5131182805260797e+23 ]
[ "nonn" ]
A306826
[ 1, 3, 5, 13, 37, 73, 109, 181, 541, 1621, 4861, 9721, 10531, 17551, 29251, 87751, 526501, 3159001, 5528251, 11056501, 44226001, 49385701, 98771401, 172849951, 345699901, 352755001, 564408001, 634959001, 793698751, 793886887, 4763321317, 4822127753 ]
[ "nonn" ]
A369956
[ 1, 101, 11, 2, 149, 32, 4, 12, 3, 8, 106, 16, 7, 103, 13, 108, 24, 17, 1019, 124, 43, 1013, 113, 67, 114, 63, 10024, 1024, 133, 83, 1067, 167, 1044, 264, 314, 10087, 1303, 313, 10093, 1183, 707, 1374, 1333, 836, 10343, 1667, 100264, 10714, 2236, 10386, 3114 ]
[ "nonn", "base", "easy" ]
A367423
[ 1, 1, 5, 41, 465, 6729, 118437, 2455809, 58630401, 1584058161, 47783202213, 1591924168185, 58055219617425, 2300356943749305, 98409722434170880, 4520749198158270500, 221954573405993800000, 1.1598560660172504e+22, 6.42753897983638e+23 ]
[ "nonn" ]
A355485
[ 1327, 2477, 3137, 5531, 8467, 9973, 11213, 11743, 12011, 12163, 12347, 14897, 16007, 16493, 16703, 17257, 19087, 20297, 20443, 21433, 24443, 26267, 26513, 29033, 29501, 29683, 31193, 31907, 32653, 32843, 34549, 34781, 35543, 35771, 36161, 36497, 36947, 37061, 37747, 38993, 39581, 40361, 40433 ]
[ "nonn" ]
A047124
[ 1, 1, 6, 22, 86, 335, 1307, 5071, 19664, 76299, 296396, 1152682, 4487818, 17492162, 68252789, 266589233, 1042279572, 4078677195, 15974343417, 62614027433, 245608306154, 964087953123, 3786809126547, 14883181075527 ]
[ "nonn" ]
A097039
[ 0, 1, 7, 19, 47, 102, 210, 413, 789, 1473, 2703, 4892, 8756, 15529, 27331, 47791, 83103, 143810, 247814, 425445, 727985, 1241981, 2113247, 3587064, 6075432, 10269457, 17326975, 29185483, 49083599, 82429278, 138244218, 231565037, 387432141, 647511609, 1081081071, 1803244436 ]
[ "nonn", "easy", "changed" ]
A226714
[ 181, 13691, 539703, 20577215, 833949273, 34404755041, 1412775737517, 57827217804729, 2366890987279579, 96919708660909730, 3969044355415426600, 162532913694902120000, 6.655600103815564e+21, 2.7254230467640753e+23 ]
[ "nonn" ]
A082173
[ 1, 1, 12, 155, 2124, 30482, 453432, 6936799, 108507180, 1727970542, 27924685416, 456820603086, 7550600079672, 125905525750500, 2115511349837040, 35782547891727496, 608787760350045400, 10411451736723708000 ]
[ "nonn" ]
A374182
[ 2, 10, 12, 18, 24, 26, 28, 34, 42, 48, 50, 56, 58, 60, 74, 76, 82, 90, 92, 96, 98, 106, 108, 112, 114, 120, 122, 124, 130, 138, 140, 146, 152, 156, 162, 170, 172, 178, 184, 186, 188, 192, 194, 202, 204, 210, 216, 218, 224, 226, 234, 236, 240, 248, 250, 252 ]
[ "nonn" ]
A199410
[ 1, 1, 2, 4, 9, 21, 50, 122, 303, 763, 1943, 4996, 12953, 33824, 88877, 234824, 623474, 1662618, 4451171, 11959159, 32235236, 87145035, 236226761, 641942519, 1748479813, 4772529625, 13052515077, 35763350619, 98158386548, 269844628977, 742940020480, 2048366903124, 5655092015428 ]
[ "nonn" ]
A221838
[ 0, 0, 2, 2, 2, 2, 2, 6, 6, 2, 2, 20, 2, 2, 20, 12, 2, 6, 2, 20, 20, 2, 2, 56, 6, 2, 12, 20, 2, 20, 2, 20, 20, 2, 20, 56, 2, 2, 20, 56, 2, 20, 2, 20, 56, 2, 2, 110, 6, 6, 20, 20, 2, 12, 20, 56, 20, 2, 2, 182, 2, 2, 56, 30, 20, 20, 2, 20, 20, 20, 2, 156, 2, 2 ]
[ "nonn" ]
A254962
[ 1, 2, 12, 31, 211, 552, 3782, 9901, 67861, 177662, 1217712, 3188011, 21850951, 57206532, 392099402, 1026529561, 7035938281, 18420325562, 126254789652, 330539330551, 2265550275451, 5931287624352, 40653650168462, 106432637907781, 729500152756861 ]
[ "nonn", "easy" ]
A105041
[ 2, 10, 16, 18, 46, 52, 66, 72, 78, 106, 136, 148, 226, 228, 240, 262, 282, 330, 442, 508, 616, 630, 732, 750, 756, 768, 810, 828, 910, 936, 982, 1032, 1060, 1128, 1216, 1302, 1366, 1558, 1626, 1696, 1698, 1758, 1800, 1810, 1830, 1932, 1996, 2002, 2026, 2080 ]
[ "easy", "nonn" ]
A236943
[ 2796, 112888, 4301002, 178006252, 7270497452, 302691231316, 12569519212796, 524245234532960, 21854738428787464, 911985738401725700, 38053568649173120000, 1.5881842194319372e+21, 6.628282593046172e+22 ]
[ "nonn" ]
A014630
[ 1, 4, 11, 26, 66, 57, 302, 120, 1191, 2416, 247, 4293, 15619, 502, 14608, 88234, 156190, 1013, 47840, 455192, 1310354, 2036, 152637, 2203488, 9738114, 15724248, 4083, 478271, 10187685, 66318474, 162512286, 8178, 1479726, 45533450, 423281535, 1505621508, 2275172004 ]
[ "nonn", "tabf", "easy" ]
A354408
[ 0, 1, 1, 2, 4, 2, 13, 13, 13, 13, 80, 82, 80, 82, 80, 579, 579, 579, 579, 579, 579, 4738, 4740, 4738, 4752, 4738, 4740, 4738, 43387, 43387, 43390, 43387, 43387, 43390, 43387, 43387, 439792, 439794, 439792, 439794, 440192, 439794, 439792, 439794, 439792 ]
[ "nonn", "tabl" ]
A062054
[ 17, 34, 35, 68, 69, 70, 75, 136, 138, 140, 141, 150, 151, 272, 276, 277, 280, 282, 300, 301, 302, 544, 552, 554, 560, 564, 565, 600, 602, 604, 605, 1088, 1104, 1108, 1109, 1120, 1128, 1130, 1137, 1200, 1204, 1205, 1208, 1210, 2176, 2208, 2216, 2218, 2240 ]
[ "nonn", "easy" ]
A201030
[ 8, 159, 3602, 96844, 2579473, 78447852, 2410888256, 76028824895, 2398729474454 ]
[ "nonn" ]
A062836
[ 4, 4, 5, 6, 9, 10, 13, 14, 17, 20, 22, 25, 28, 30, 33, 36, 39, 42, 45, 48, 51, 54, 56, 60, 63, 66, 70, 73, 75, 78, 82, 85, 89, 92, 96, 99, 103, 107, 110, 114, 117, 121, 125, 128, 131, 135, 138, 142, 146, 150, 154, 157, 161, 165, 168, 172, 176, 180, 183, 187, 190, 194 ]
[ "nonn" ]
A234453
[ 2400, 31112, 427956, 6049248, 86545688, 1246417268, 17999990956, 260509952008, 3772324919216, 54683798470992, 792660439569184, 11498882870642596, 166774556604227500, 2420540967413065700, 35121760962460303000 ]
[ "nonn" ]
A097082
[ 1, 1, 1, 1, 2, 1, 2, 4, 2, 1, 4, 4, 20, 4, 5, 1, 20, 24, 8, 96, 200, 24, 4, 25, 1, 3, 200, 48, 288, 48, 64, 2304, 1600, 10800, 288, 432, 8, 675, 650, 1, 26, 9, 10400, 1600, 576, 2304, 23040, 576, 2560, 1024, 368640, 516096, 128000, 2240000, 5832000, 32256, 2304, 46656, 64, 96, 91125, 3750, 84500, 6, 1, 676, 9, 261 ]
[ "nonn" ]
A072899
[ 1, 1, 1, 1, 2, 5, 13, 19, 58, 191, 655, 1187, 4462, 17519, 71063, 149405, 646846, 2887921, 13237457, 31166057, 150303170, 742458253, 3748521653, 9670072483, 50903810666, 273315477775, 1495006933759, 4163946939067, 23599037077934 ]
[ "easy", "frac", "nonn" ]
A389397
[ 144, 576, 1728, 2304, 3600, 9216, 13824, 14400, 20736, 32400, 36864, 57600, 110592, 129600, 147456, 176400, 216000, 230400, 248832, 331776, 518400, 589824, 705600, 884736, 921600, 1166400, 1587600, 1728000, 2073600, 2359296, 2822400, 2985984, 3686400, 4665600 ]
[ "nonn" ]
A220874
[ 1, 2, 6, 20, 64, 194, 562, 1570, 4258, 11266, 29186, 74242, 185858, 458754, 1118210, 2695170, 6430722, 15204354, 35651586, 82968578, 191758338, 440401922, 1005584386, 2283798530, 5161091074, 11609833474, 26004684802, 58015612930, 128949682178 ]
[ "nonn", "easy" ]
A348852
[ 2, 93, 94, 97, 98, 101, 102, 105, 106, 117, 118 ]
[ "nonn", "fini", "full" ]
A186005
[ 1, 3, 2, 4, 6, 5, 7, 8, 12, 11, 9, 13, 15, 22, 21, 10, 16, 23, 26, 37, 36, 14, 18, 27, 38, 42, 58, 57, 17, 24, 30, 43, 59, 64, 86, 85, 19, 28, 39, 47, 65, 87, 93, 122, 121, 20, 31, 44, 60, 70, 94, 123, 130, 167, 166, 25, 33, 48, 66, 88, 100, 131, 168, 176, 222, 221, 29, 40, 51, 71, 95, 124, 138, 177, 223, 232, 288, 287 ]
[ "nonn", "tabl" ]
A033872
[ 8, 10, 12, 14, 15, 16, 18, 20, 21, 22, 26, 27, 28, 30, 32, 33, 34, 35, 38, 39, 42, 44, 45, 46, 48, 50, 51, 52, 55, 56, 57, 58, 62, 63, 64, 65, 68, 69, 72, 74, 75, 76, 77, 80, 81, 82, 85, 86, 87, 90, 91, 92, 93, 94, 95, 98, 99 ]
[ "easy", "nonn" ]
A151630
[ 0, 0, 0, 0, 1, 37257, 49258935, 19323413187, 3950966047950, 539417838175698, 56160822639510110, 4828612774471173000, 360918591663105700000, 2.4285778099889123e+22, 1.5078158821672685e+24, 8.793758830639736e+25, 4.882223035755085e+27 ]
[ "nonn" ]
A188259
[ 3, 4, 7, 8, 11, 12, 15, 16, 20, 21, 24, 25, 28, 29, 32, 33, 37, 38, 41, 42, 45, 46, 49, 50, 54, 55, 58, 59, 62, 63, 66, 67, 71, 72, 75, 76, 79, 80, 83, 84, 87, 88, 92, 93, 96, 97, 100, 101, 104, 105, 109, 110, 113, 114, 117, 118, 121, 122, 126, 127, 130, 131, 134, 135, 138, 139, 143, 144, 147, 148, 151, 152, 155, 156, 159, 160 ]
[ "nonn" ]
A224832
[ 12, 56, 992, 16256, 60480, 65520, 4357080, 47139840, 67100672, 91065600, 285981696, 2758909440, 17179738112, 87722956800, 132867440640, 274877382656, 306007080960, 806062473216, 1409150457792, 363485766938112, 12177456042320640, 29884246553283840, 40316371715063810 ]
[ "nonn" ]
A050261
[ 131, 181, 197, 199, 233, 241, 263, 307, 311, 313, 331, 337, 353, 373, 379, 389, 397, 409, 419, 439, 443, 457, 461, 463, 467, 509, 521, 547, 569, 571, 577, 593, 599, 607, 613, 617, 643, 647, 659, 661, 677, 683, 691, 701, 727, 761, 769, 797, 827, 829, 857 ]
[ "nonn", "easy" ]
A116463
[ 233017, 466034, 699051, 932068, 1165085, 1398102, 1864136, 1878713, 1922393, 2330169, 2330170, 2796203, 2796204, 3262237, 3495255, 3728272, 3757426, 3844786, 3961289, 4660338, 4660340, 5359389, 5592406, 5592408, 5708921, 5941931, 6524474, 6990507, 6990510, 7456544 ]
[ "nonn" ]
A242443
[ 1, 1, 2, 1, 2, 3, 3, 4, 1, 4, 3, 4, 2, 2, 5, 3, 5, 3, 5, 4, 5, 7, 3, 4, 4, 6, 6, 4, 6, 3, 5, 7, 6, 4, 1, 7, 7, 6, 5, 6, 9, 5, 7, 7, 8, 6, 8, 4, 6, 6, 7, 9, 4, 10, 3, 6, 9, 7, 8, 5, 9, 7, 6, 7, 5, 11, 9, 7, 3, 7, 12, 13, 7, 7, 6, 9, 11, 6, 11, 8, 7, 10, 10, 8, 8, 8, 11, 5, 8, 5, 8, 11, 10, 10, 6, 14, 10, 6, 7, 7 ]
[ "nonn", "easy" ]
A085024
[ 4, 28, 70, 130, 208, 304, 418, 550, 700, 868, 1054, 1258, 1480, 1720, 1978, 2254 ]
[ "dead" ]
A070279
[ 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 153, 162, 171, 180, 189, 198, 207, 216, 225, 252, 261, 270, 279, 288, 297, 306, 315, 351, 360, 369, 378, 387, 396, 405, 450, 459, 468, 477, 486, 495, 504, 513, 522, 531, 540, 549, 594, 603, 612 ]
[ "easy", "nonn", "base" ]
A009664
[ 0, 1, 2, 4, 8, 12, 8, -128, -960, -5232, -24416, -54848, 174976, 5325504, 55072384, 403442176, 2417174528, 558723328, -157596298752, -2994514283520, -36515570849792, -295655443772416, -1639992400689152, 17110494845845504 ]
[ "sign", "easy" ]
A156366
[ 1, 1, 1, 3, 1, 12, 9, 1, 33, 99, 27, 1, 78, 594, 702, 81, 1, 171, 2718, 8154, 4617, 243, 1, 360, 10719, 65232, 96471, 29160, 729, 1, 741, 38637, 421713, 1265139, 1043199, 180063, 2187, 1, 1506, 131472, 2382318, 12651390, 21440862, 10649232, 1097874 ]
[ "nonn", "tabf" ]
A120218
[ 100103, 301003, 300105, 501005, 500107, 701007, 700109, 901009, 900111, 111011, 110113, 311013, 310115, 511015, 510117, 711017, 710119, 911019, 910121, 121021, 120123, 321023, 320125, 521025, 520127, 721027, 720129, 921029, 920131, 131031 ]
[ "nonn", "base" ]
A360083
[ 1, 1, 7, 35, 189, 1092, 6538, 40278, 253730, 1626858, 10582616, 69669273, 463319257, 3107941405, 21004392887, 142882885210, 977562617826, 6722361860888, 46438235933700, 322111000796428, 2242538435656450, 15665017062799230, 109761527468995100 ]
[ "nonn" ]
A108840
[ 4, 22, 109, 1360, 24404, 17695283, 6824557148 ]
[ "nonn", "more" ]
A224594
[ 891884, 107496, 99428, 108764, 116744, 122713, 126820, 129646, 131588, 150819, 187014, 236085, 293902, 357451, 424560, 494058, 565037, 654785, 780204, 954187, 1185430, 1479852, 1840901, 2270907, 2771411, 3361205, 4075790, 4963927, 6082850 ]
[ "nonn" ]
A096973
[ 10000, 10000, 2, 10002, 10004, 6, 10010, 10016, 26, 10042, 10068, 110, 10178, 10288, 466, 10754, 11220, 1974, 13194, 15168, 8362, 3530, 11892, 15422, 7314, 2736, 10050, 12786, 2836, 15622, 18458, 14080, 12538, 6618, 19156, 5774, 4930, 10704, 15634, 6338 ]
[ "easy", "nonn" ]
A133472
[ 6, 15, 105, 1005, 10005, 100005, 1000005, 10000005, 100000005, 1000000005, 10000000005, 100000000005, 1000000000005, 10000000000005, 100000000000005, 1000000000000005, 10000000000000004, 100000000000000000, 1000000000000000000, 10000000000000000000, 100000000000000000000 ]
[ "nonn", "easy" ]
A130065
[ 1, 2, 3, 4, 5, 4, 7, 8, 9, 4, 11, 8, 13, 4, 9, 16, 17, 12, 19, 8, 9, 4, 23, 16, 25, 4, 27, 8, 29, 12, 31, 32, 9, 4, 25, 24, 37, 4, 9, 16, 41, 12, 43, 8, 27, 4, 47, 32, 49, 20, 9, 8, 53, 36, 25, 16, 9, 4, 59, 24, 61, 4, 27, 64, 25, 12, 67, 8, 9, 20, 71, 48, 73, 4, 45, 8, 49, 12, 79, 32, 81 ]
[ "nonn" ]
A157681
[ 29, 31, 60, 91, 151, 242, 393, 635, 1028, 1663, 2691, 4354, 7045, 11399, 18444, 29843, 48287, 78130, 126417, 204547, 330964, 535511, 866475, 1401986, 2268461, 3670447, 5938908, 9609355, 15548263, 25157618, 40705881, 65863499, 106569380 ]
[ "nonn", "easy" ]
A350228
[ 1, 0, 1, 2, 1, 2, 4, 1, 3, 1, 2, 10, 1, 3, 15, 1, 3, 9, 1, 3, 9, 27, 1, 4, 68, 1, 3, 21, 1, 3, 9, 90, 1, 4, 40, 1, 3, 21, 210, 1, 4, 28, 1, 3, 21, 147, 1, 4, 28, 196, 1, 4, 16, 1, 3, 33, 1, 3, 9, 252, 1, 4, 40, 1120, 1, 4, 16, 224, 1, 4, 16, 64, 1, 4, 16, 64, 256, 1, 5, 1, 2, 140 ]
[ "nonn" ]
A090650
[ 1, 256, 19683, 1048576, 48828125, 2176782336, 96889010407, 4398046511104, 205891132094649, 10000000000000000, 505447028499293760, 26623333280885244000, 1.461920290375446e+21, 8.36682554252848e+22 ]
[ "nonn" ]
A132446
[ 1, 2, 3, 4, 10, 24, 71, 322 ]
[ "nonn" ]
A232010
[ 5, 11, 17, 21, 23, 26, 29, 31, 35, 41, 45, 47, 51, 53, 56, 59, 61, 65, 68, 71, 73, 77, 81, 83, 86, 87, 89, 91, 95, 101, 107, 110, 111, 113, 115, 116, 117, 119, 121, 125, 129, 131, 134, 137, 139, 141, 143, 146, 149, 151, 152, 155, 157, 161, 165, 167, 171, 173, 176 ]
[ "nonn" ]
A146894
[ 1, 0, 0, 0, 0, 0, 4060, 24360, 294930, 1728400, 7758660, 26336640, 67403540, 129936240, 192974265, 220819632, 192974265, 129936240, 67403540, 26336640, 7758660, 1728400, 294930, 24360, 4060, 0, 0, 0, 0, 0, 1 ]
[ "nonn", "fini", "full" ]
A038172
[ 1, 1, 5, 28, 225, 2274, 24955, 286143, 3367443, 40358811, 490598186 ]
[ "nonn", "hard", "more" ]
A206375
[ 8, 16, 32, 64, 128, 256, 512, 1024, 1758, 2128, 2536, 2982, 3466, 3988, 4550, 5152, 5792, 6474, 7194, 7956, 8758, 9600, 10484, 11408, 12376, 13384, 14432, 15524, 16658, 17834, 19052, 20314, 21618, 22964, 24354, 25786, 27262, 28780 ]
[ "nonn" ]
A161354
[ 125, 125000, 140608, 704969, 1643032, 1815848, 3511808, 3723875, 3869893, 7301384, 9393931, 10360232, 11543176, 14526784, 15069223, 15252992, 15813251, 16777216, 19902511, 34328125, 34645976, 35287552, 70444997, 92345408 ]
[ "nonn", "base" ]
A290830
[ 1, 1, 1, 1, 1, 1, 1, 1, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1101, 1011, 11, 11100001, 11101111, 111100101, 111101111, 11101111, 1101111, 1100111, 1111, 10001101011, 10001100111, 1010001100101, 1000000000011, 1001111100011, 1000101100001 ]
[ "nonn", "easy" ]
A346789
[ 0, 1, 11, 111, 1111, 2666888, 26688, 268, 2, 12, 112, 3377, 13377, 358888, 3788888, 2268, 22, 122, 1122, 4567, 46778, 477, 1477, 11477, 222, 36688, 368, 3, 13, 113, 1113, 5566888, 55688, 558, 5788, 23, 123, 44788, 144788, 57777, 777778, 2558, 25788, 223, 5666 ]
[ "nonn", "base", "fini" ]
A311726
[ 1, 4, 8, 13, 16, 22, 26, 28, 35, 38, 46, 44, 56, 54, 65, 60, 74, 66, 82, 75, 92, 86, 98, 96, 112, 101, 120, 108, 130, 114, 139, 120, 154, 124, 164, 138, 169, 146, 178, 154, 186, 161, 196, 176, 198, 182, 216, 185, 224, 192 ]
[ "nonn" ]
A282315
[ 128, 15363, 1052672, 94872444, 8386104536, 726938227646, 63687929371004, 5571891302455329, 487109987243743550, 42604309698383634000, 3.7260169044605335e+21, 3.258548781778655e+23 ]
[ "nonn" ]
A256464
[ 1, 2, 5, 4, 13, 6, 23, 9, 19, 13, 43, 12, 59, 22, 27, 19, 79, 19, 97, 22, 41, 35, 113, 24, 89, 43, 59, 33, 157, 31, 173, 41, 77, 61, 101, 36, 211, 71, 95, 45, 239, 46, 257, 59, 71, 86, 281, 48, 209, 73, 127, 73, 331, 62, 167, 67, 143, 111, 373, 60, 389, 121 ]
[ "nonn" ]
A184565
[ 14178, 993538, 57374460, 2943827443, 136680720320, 5891845723505, 236912838360594, 8847094859463950, 307617377912743400, 10100655820839334000, 321449766112998850000, 1.030512646906416e+22 ]
[ "nonn" ]
A302463
[ 16, 6, 177, 54, 924, 1096, 8869, 29770, 176077, 900973, 5164271, 28941605, 167892727, 956288953, 5544891247, 31809794720, 183673248663, 1057734848412, 6095047064551, 35139781081312, 202439738199346, 1167093390688255 ]
[ "nonn" ]
A025688
[ 0, 0, 1, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 4, 1, 2, 3, 0, 4, 1, 5, 2, 3, 0, 4, 1, 5, 2, 6, 3, 0, 4, 1, 5, 2, 6, 3, 7, 0, 4, 1, 5, 2, 6, 3, 7, 0, 4, 8, 1, 5, 2, 6, 3, 7, 0, 4, 8, 1, 5, 9, 2, 6, 3, 7, 0, 4, 8, 1, 5, 9, 2, 6, 10, 3, 7, 0, 4, 8, 1, 5, 9, 2, 6, 10, 3, 7, 0, 11, 4, 8, 1, 5, 9, 2, 6, 10, 3, 7, 0, 11, 4, 8 ]
[ "nonn", "easy", "changed" ]
A078145
[ 1, 2, 4, 0, 0, 40, 0, 153, 558, 3074, 4285, 22602, 180544, 766146, 766082, 524570, 9932193, 5193268, 763601450, 4284694240, 3059999982, 48742214702, 6354126960, 1975806716944, 929707144775 ]
[ "nonn", "hard", "more" ]
A162449
[ 18, 2700, 992250, 250047000, 68075295750, 253103949598500, 24677635085853750, 40753351656067050000, 1.9695636380171073e+24, 2.6195196385627527e+27, 2.910024366479362e+30 ]
[ "easy", "frac", "nonn" ]
A350471
[ 1, 366, 731, 1096, 1462, 1827, 2192, 2557, 2923, 3288, 3653, 4018, 4384, 4749, 5114, 5479, 5845, 6210, 6575, 6940, 7306, 7671, 8036, 8401, 8767, 9132, 9497, 9862, 10228, 10593, 10958, 11323, 11689, 12054, 12419, 12784, 13150, 13515, 13880, 14245, 14611, 14976, 15341, 15706 ]
[ "nonn" ]
A049634
[ 2, 6, 9, 15, 19, 29, 35, 47, 55, 71, 79, 101, 111, 131, 145, 169, 183, 217, 231, 261, 279, 313, 331, 373, 393, 431, 455, 501, 521, 579, 603, 653, 685, 729, 757, 817, 847, 907, 941, 1005, 1033, 1115, 1147, 1213, 1255, 1325, 1363, 1451, 1487, 1561, 1605, 1689 ]
[ "nonn" ]
A119734
[ 0, 3, 1, 0, 2, 2, 1, 0, 0, 4, -1, 4, 2 ]
[ "hard", "more", "sign" ]
A371227
[ 1, 0, 2, 3, 56, 390, 6384, 92400, 1812768, 38565072, 949927680, 25934040000, 783458550720, 25909868761920, 930720395219328, 36108805836317760, 1504050682102456300, 66964478742976710000, 3.173178938051224e+21, 1.5946156789509944e+23 ]
[ "nonn" ]
A262154
[ 4, 8, 31, 57, 111, 144, 247, 347, 444, 627, 651, 754, 825, 854, 861, 1261, 1264, 1371, 1457, 1681, 1811, 2102, 2331, 2531, 3338, 3378, 3581, 3631, 3757, 3774, 4011, 4161, 4445, 4551, 5127, 6002, 6321, 6722, 7311, 7547, 8651, 10044, 10101, 10637, 11111, 11762, 12464, 12831, 12885, 13141, 13201, 15461, 16084, 16451 ]
[ "nonn", "base" ]
A386388
[ 0, 0, 0, 1, 3, 11, 36, 118, 395, 1337, 4598, 15986, 56270, 199854, 716132, 2584754, 9391051, 34315811, 126040590, 465062362, 1723070794, 6407806952, 23910175804, 89493721076, 335912391966, 1264105728842, 4768446886764, 18027215662284, 68291878325138 ]
[ "nonn" ]
A051222
[ 2, 14, 26, 34, 38, 62, 74, 86, 94, 98, 118, 122, 134, 142, 146, 158, 182, 194, 202, 206, 214, 218, 254, 266, 274, 278, 298, 302, 314, 326, 334, 338, 362, 386, 394, 398, 422, 434, 446, 454, 458, 482, 494, 514, 518, 526, 538, 542, 554, 566, 578 ]
[ "nonn", "nice", "easy" ]
A010084
[ 1, 0, 690880, 1439241216, 1600259436000, 1089164637414400, 497302797675880000, 162011412870006540000, 3.937012344682378e+22, 7.379968237981419e+24, 1.0954591800861496e+27 ]
[ "nonn", "fini", "full" ]
A054620
[ 0, 1, 8, 51, 208, 629, 1560, 3367, 6560, 11817, 20008, 32219, 49776, 74269, 107576, 151887, 209728, 283985, 377928, 495235, 640016, 816837, 1030744, 1287287, 1592544, 1953145, 2376296, 2869803, 3442096, 4102253, 4860024 ]
[ "nonn", "easy" ]
A019641
[ 2, 4, 3, 1, 0, 1, 8, 4, 4, 3, 6, 0, 1, 4, 6, 6, 4, 3, 4, 3, 9, 3, 7, 5, 9, 9, 3, 1, 9, 4, 1, 0, 8, 9, 7, 9, 3, 7, 9, 1, 4, 8, 3, 4, 8, 0, 5, 8, 3, 1, 2, 2, 6, 1, 8, 5, 6, 2, 7, 3, 6, 0, 3, 1, 6, 4, 5, 8, 5, 7, 6, 0, 5, 0, 0, 7, 8, 9, 2, 3, 7, 1, 9, 7, 7, 9, 5, 3, 1, 5, 4, 3, 8, 5, 5, 6, 8, 4, 0 ]
[ "nonn", "cons" ]
A064366
[ 1, 3, 6, 21, 15, 66, 28, 1365, 1716, 3060, 66, 20475, 91, 134596, 735471, 7888725, 153, 3262623, 190, 118030185, 225792840, 254186856, 276, 2558620845, 84672315, 11058116888, 113380261800, 558383307300, 435, 11969016345, 496, 366395202809685, 16735679449896, 21094923659355 ]
[ "nonn" ]
A350744
[ 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 51, 52, 53, 54, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 101, 102, 103, 104, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 151, 152, 153, 154, 155, 160, 165, 170, 175, 180, 185, 190, 195, 200, 201, 202, 203, 204, 205, 210, 215, 220, 225 ]
[ "nonn", "changed" ]