id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A342896
[ 30, 221, 2676, 696467, 17886882 ]
[ "nonn", "more" ]
A178617
[ -1, -7, -11, 17, 131, 409, 953, 1889, 3367, 5561, 8669, 12913, 18539, 25817, 35041, 46529, 60623, 77689, 98117, 122321, 150739, 183833, 222089, 266017, 316151, 373049, 437293, 509489, 590267, 680281, 780209, 890753, 1012639, 1146617 ]
[ "sign", "easy" ]
A203634
[ 2, 6, 52, 154, 3824, 34648, 103690, 3172388, 30964178, 98045292, 3119147226, 31498645552, 102942841550, 3339440847942, 34385625760552, 114418767377664, 3757962051630128, 39182005442010990, 131941830464243710 ]
[ "nonn" ]
A169787
[ 1, 2, 3, 5, 5, 5, 9, 13, 9, 5, 9, 15, 19, 17, 21, 29, 17, 5, 9, 15, 19, 19, 27, 43, 43, 25, 21, 37, 51, 47, 51, 63, 33, 5, 9, 15, 19, 19, 27, 43, 43, 27, 27, 47, 67, 71, 75, 99, 91, 41, 21, 37, 51, 55, 71, 111, 127, 87, 59, 87, 125, 119, 119, 133, 65, 5, 9, 15, 19, 19 ]
[ "nonn" ]
A051136
[ 1, 4, 9, 20, 42, 80, 147, 260, 445, 744, 1215, 1944, 3059, 4740, 7239, 10920, 16286, 24028, 35110, 50844, 73010, 104028, 147144, 206700, 288501, 400232, 552037, 757288, 1033495, 1403508, 1897088, 2552812, 3420527, 4564500, 6067265 ]
[ "easy", "nonn" ]
A004330
[ 1, 39, 861, 14190, 194580, 2349060, 25827165, 264385836, 2558620845, 23667689815, 210980549208, 1823810410032, 15363284301456, 126600387152400, 1023729916348425, 8144022047817960, 63871405575418664, 494705855605882430, 3789648142708599000, 28747684924884976000 ]
[ "nonn", "easy" ]
A024730
[ 1, 1, 1, 6, 11, 16, 46, 106, 216, 501, 1111, 2751, 6266, 14281, 33721, 80766, 189436, 439981, 1037826, 2544951, 6062726, 14300776, 34248926, 84236481, 202586011, 484002391, 1166815571, 2886959131, 6992716766, 16840627851, 40928504736 ]
[ "nonn" ]
A264857
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 2, 2, 1, 1, 4, 1, 2, 1, 2, 1, 3, 1, 3, 1, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 4, 1, 1, 2, 2, 1, 1, 1, 4, 1, 1, 1, 3, 1, 1, 1, 3, 1, 3, 1, 2, 1, 1, 1, 5, 1, 2, 2, 3 ]
[ "nonn" ]
A325256
[ 1, 1, 1, 2, 3, 10, 12, 12, 44, 128, 228, 422, 968, 1750, 420, 2100 ]
[ "nonn", "more" ]
A356118
[ 1, 1, 2, 7, 34, 198, 1308, 9651, 79210, 720898, 7240804, 79774814, 957795188, 12453298700, 174353907960, 2615339041155, 41845544418330, 711374726547210, 12804746933817300, 243290199050400800, 4865804009789159000, 102181884318952620000, 2.248001455463733e+21 ]
[ "nonn" ]
A171711
[ 1, 1, 2, 7, 26, 101, 412, 1738, 7514, 33126, 148358, 673094, 3087076, 14289509, 66669232, 313199848, 1480261250, 7033516168, 33579194044, 160996913287, 774875393390, 3742454218020, 18132421559672, 88107253715627, 429260108473000, 2096482108251547 ]
[ "nonn" ]
A239469
[ 0, 0, 0, 1, 2, 1, 3, 4, 5, 6, 8, 11, 13, 15, 20, 24, 30, 35, 43, 52, 63, 74, 89, 106, 127, 148, 177, 208, 246, 287, 338, 396, 464, 538, 630, 732, 853, 985, 1145, 1324, 1532, 1765, 2038, 2345, 2702, 3098, 3562, 4081, 4679, 5348, 6120, 6987, 7978, 9087, 10359 ]
[ "nonn", "easy" ]
A225877
[ 1, 2, 6, 28, 140, 744, 4116, 23504, 137412, 818260, 4945292, 30255240, 187009888, 1166065936, 7325767920, 46326922560, 294658864188, 1883761686216, 12098003064296, 78015400052920, 504955502402148, 3279315915221192, 21361995729759184, 139545638718942960 ]
[ "nonn" ]
A275150
[ 1, 2, 2, 2, 2, 2, 2, 2, 3, 4, 3, 2, 3, 3, 2, 1, 2, 4, 3, 4, 3, 2, 2, 3, 3, 3, 3, 4, 5, 2, 3, 2, 3, 5, 4, 4, 5, 3, 4, 3, 2, 3, 2, 2, 5, 5, 4, 2, 2, 5, 3, 5, 5, 3, 5, 5, 2, 3, 3, 4, 4, 2, 2, 4, 4, 6, 3, 5, 4, 2, 3, 4, 5, 5, 4, 4, 5, 5, 5, 1, 5 ]
[ "nonn" ]
A103576
[ 31000003, 371000037, 1511000151, 1931000193, 1991000199, 2111000211, 3131000313, 3671000367, 3971000397, 4091000409, 4571000457, 5411000541, 5471000547, 5771000577, 6191000619, 6911000691, 8291000829, 8591000859 ]
[ "base", "easy", "nonn" ]
A234400
[ 432, 5646, 66806, 829594, 10158894, 125160846, 1539127906, 18941648974, 233051484674, 2867671002026, 35285174854854, 434171029131638, 5342290306236582, 65734726289230184, 808838805043145300 ]
[ "nonn" ]
A357553
[ 0, 0, 2, 2, 1, 7, 14, 12, 9, 46, 98, 80, 64, 313, 674, 546, 441, 2143, 4622, 3740, 3025, 14686, 31682, 25632, 20736, 100657, 217154, 175682, 142129, 689911, 1488398, 1204140, 974169, 4728718, 10201634, 8253296, 6677056, 32411113, 69923042, 56568930, 45765225, 222149071, 479259662, 387729212 ]
[ "nonn" ]
A248279
[ 7, 3, 67, 4751, 25076431, 1253373011645810, 9.187269148593177e+30, 4.986519774649329e+62, 3.217762090736115e+125 ]
[ "nonn" ]
A235757
[ 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 4 ]
[ "nonn", "tabf" ]
A116283
[ 7, 30, 64, 42753, 57241, 75423, 425072, 574922, 979528, 4301393, 5698601, 7028666, 4925000747, 5074999247, 7748266574, 8511881484, 8814851184, 7059602159672, 7106167933828, 7439286611621, 7485852385777 ]
[ "nonn", "base" ]
A377829
[ 1, 3, 25, 364, 7713, 216216, 7568041, 318256800, 15644919681, 880848974080, 55912403743161, 3951344780946432, 307737594185310660, 26190457718737020000, 2.4184752487582505e+21, 2.4084611335941182e+23, 2.5731326615411044e+25, 2.9358028011040744e+27 ]
[ "nonn" ]
A333803
[ 2, 3, 5, 233, 653, 683, 1013, 1973, 2003, 2393, 2543, 2753, 3023, 3413, 5003, 5333, 7043, 7823, 8663, 9293, 10613, 13463, 13913, 14783, 15233, 15923, 16823, 18233, 20693, 20753, 21713, 21803, 22433, 27743, 27983, 29723, 30323, 30773, 31253, 31793, 32003, 33053, 33623, 33773, 34283, 36083, 37013 ]
[ "nonn" ]
A299877
[ 32, 157, 253, 1974, 11263, 54005, 324797, 1859944, 10716128, 63074571, 368316242, 2168021180, 12794308839, 75376664070, 445176250283, 2631502643330, 15549915122844, 91938532910925, 543783543413507, 3216228090745002 ]
[ "nonn" ]
A166785
[ 0, 360, 30720, 474180, 3849036, 21761205 ]
[ "nonn" ]
A313367
[ 1, 5, 10, 12, 18, 19, 29, 32, 39, 43, 44, 48, 50, 61, 62, 73, 74, 76, 80, 83, 93, 94, 105, 103, 108, 110, 116, 127, 128, 137, 134, 138, 138, 149, 159, 162, 171, 167, 168, 168, 180, 189, 196, 203, 200, 200, 200, 211, 221, 228 ]
[ "nonn" ]
A127309
[ 2, 1, -1, 2, -4, 2, 0, 1, 0, -7, -3, 8, 6, -8, 6, -5, -12, 7, 3, -4, 10, 6, -15, 7, -2, 16, -18, -10, -9, -8, 18, 7, -10, 10, -2, 7, -4, 12, 6, 15, -7, -17, -4, 2, 0, -12, -19, -18, -15, -24, 30, 8, 23, 2, -14, -10, 28, 2, 18, -4, -24, -8, -12, 1, -13, -7, 22, -28 ]
[ "sign" ]
A255145
[ 784, 4576, 29731, 190731, 1241971, 8173810, 53762469, 353508918, 2326278688, 15311112333, 100764625099, 663153932703, 4364538269828, 28725088912609, 189051972965420, 1244235148878152, 8188881476050733, 53894720638538660 ]
[ "nonn" ]
A203201
[ 1, 7, 45, 678, 19821, 1135546, 128706621, 28772553591, 12688158470905, 11038796622724926, 18946762224571940000 ]
[ "nonn" ]
A086346
[ 1, 3, 18, 80, 400, 1904, 9248, 44544, 215296, 1039104, 5018112, 24227840, 116985856, 564850688, 2727354368, 13168803840, 63584665600, 307013812224, 1482394042368, 7157631156224, 34560101318656, 166870928850944, 805724122775552, 3890380202311680, 18784417308737536, 90699190027419650 ]
[ "nonn", "easy" ]
A335745
[ 1, 1, 1, 1, 2, 2, 3, 4, 6, 7, 9, 11, 15, 18, 23, 28, 37, 44, 55, 66, 83, 99, 121, 145, 179, 212, 255, 303, 366, 431, 514, 606, 723, 847, 999, 1169, 1380, 1607, 1881, 2189, 2561, 2967, 3449, 3990, 4633, 5342, 6172, 7105, 8201, 9412, 10816, 12394, 14225, 16257, 18596, 21220 ]
[ "nonn" ]
A084893
[ 1, 1, 8, 6, 9, 2, 4, 6, 1, 9, 7, 2, 7, 6, 4, 2, 8, 4, 6, 2, 6, 1, 6, 6, 9, 9, 3, 8, 1, 3, 7, 1, 1, 8, 0, 4, 8, 7, 8, 4, 8, 1, 4, 7, 7, 7, 0, 0, 0, 3, 6, 5, 8, 1, 3, 8, 9, 3, 3, 7, 7, 0, 9, 6, 8, 6, 7, 0, 8, 1, 5, 0, 4, 4, 2, 7, 8, 9, 8, 5, 9, 2, 1, 6, 1, 1, 1, 9, 0, 1, 8, 3, 4, 1, 2, 8, 9, 5, 3, 9, 5, 7 ]
[ "nonn", "cons" ]
A281507
[ 1186061987030930000, 2185352294922536700, 3271704589845072400, 6434410079699145000, 12768830049399288000, 41457129443403180000, 71914259877895350000, 143719619755790600000, 581014717313707540000, 1.1510304246274249e+21, 1.7713246718916653e+21 ]
[ "nonn", "base" ]
A285591
[ 2, 4, 6, 8, 10, 12, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 116, 118, 120 ]
[ "nonn", "easy" ]
A369621
[ 1, 1, 2, 6, 18, 57, 191, 660, 2334, 8417, 30831, 114380, 428915, 1623143, 6190876, 23774613, 91849846, 356735941, 1392091107, 5455425618, 21460947111, 84717452192, 335479515201, 1332327233554, 5305235886691, 21176621863427, 84720103674498 ]
[ "nonn" ]
A091408
[ 0, 0, 0, 2, 3, 3, 0, 5, 5, 8, 9, 9, 11, 12, 12, 9, 14, 14, 0, 18, 19, 19, 21, 22, 22, 19, 24, 24, 27, 28, 28, 30, 31, 31, 28, 33, 33, 19, 0, 37, 37, 33, 34, 41, 41, 33, 44, 46, 47, 47, 49, 50, 50, 47, 52, 52, 55, 56, 56, 58, 59, 59, 56, 61, 61, 47, 65, 66, 66, 68, 69 ]
[ "nonn" ]
A020948
[ 1, 8, 16, 32, 34, 128, 66, 68, 130, 134, 132, 140, 138, 260, 264, 284, 268, 266, 274, 572, 276, 524, 522, 536, 534, 530, 538, 1034, 532, 548, 556, 1046, 1042, 554, 1050, 1082, 1044, 2072, 1092, 1064, 1060, 2114, 1068, 1076, 1132, 1100, 1066, 2102, 1098, 1106, 2088, 2084, 2098, 4346, 1108 ]
[ "nonn" ]
A223964
[ 256, 5864, 41006, 176893, 594286, 1718057, 4500818, 10981150, 25334630, 55772240, 117841845, 239976226, 472531867, 902107834, 1673660678, 3023882381, 5330533450, 9183978785, 15489123731, 25608363453, 41559120445, 66283141375 ]
[ "nonn" ]
A026404
[ 1, 2, 4, 5, 5, 7, 8, 11, 13, 11, 13, 13, 20, 17, 17, 22, 21, 21, 24, 22, 23, 26, 27, 32, 29, 30, 30, 37, 33, 42, 45, 45, 51, 55, 57, 53, 64, 64, 67, 49, 58, 62, 62, 65, 61, 67, 67, 68, 65, 73, 74, 60, 74, 89, 90, 91, 88, 88, 87, 96, 100, 102, 105, 105, 109, 109, 110, 109, 110, 169 ]
[ "nonn" ]
A144449
[ 16, 112, 280, 520, 832, 1216, 1672, 2200, 2800, 3472, 4216, 5032, 5920, 6880, 7912, 9016, 10192, 11440, 12760, 14152, 15616, 17152, 18760, 20440, 22192, 24016, 25912, 27880, 29920, 32032, 34216, 36472, 38800, 41200, 43672, 46216, 48832, 51520, 54280, 57112 ]
[ "nonn", "easy" ]
A258468
[ 0, 0, 3, 4, 15, 6, 35, 8, 18, 30, 99, 12, 143, 70, 165, 176, 255, 36, 323, 140, 357, 198, 483, 48, 550, 286, 621, 308, 783, 330, 899, 416, 957, 510, 1085, 108, 1295, 646, 1365, 160, 1599, 714, 1763, 836, 585, 966, 2115, 912, 2254, 1100, 2397, 1196 ]
[ "nonn", "easy" ]
A078392
[ 1, 3, 5, 9, 11, 20, 21, 35, 42, 61, 66, 112, 113, 168, 210, 279, 313, 461, 508, 719, 852, 1088, 1277, 1756, 2006, 2573, 3106, 3937, 4593, 5958, 6872, 8676, 10305, 12655, 15009, 18664, 21673, 26559, 31447, 38217, 44623, 54386, 63303, 76379, 89696, 106879 ]
[ "nonn" ]
A104495
[ 1, -1, 1, 1, -2, 1, -1, 3, -4, 1, 1, -4, 12, -5, 1, -1, 5, -34, 17, -7, 1, 1, -6, 98, -51, 32, -8, 1, -1, 7, -294, 149, -124, 40, -10, 1, 1, -8, 919, -443, 448, -164, 61, -11, 1, -1, 9, -2974, 1362, -1576, 612, -298, 72, -13, 1, 1, -10, 9891, -4336, 5510, -2188, 1294, -370, 99, -14, 1, -1, 11, -33604, 14227, -19322, 7698 ]
[ "sign", "tabl" ]
A358453
[ 1, 1, 1, 2, 4, 8, 17, 37, 83, 190, 444, 1051, 2518, 6090, 14852 ]
[ "nonn", "more" ]
A331728
[ 1, 2, 3, 4, 6, 8, 9, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 33, 35, 36, 40, 42, 48, 50, 52, 54, 56, 57, 60, 62, 63, 64, 66, 68, 69, 72, 76, 78, 80, 81, 84, 88, 90, 91, 95, 96, 100, 102, 108, 110, 112, 114, 120, 124, 125, 126, 128, 129, 132, 136, 138, 140 ]
[ "nonn", "base" ]
A020475
[ 0, 2, 1, 2, 2, 4, 2, 6, 4, 6, 6, 10, 5, 12, 6, 8, 8, 16, 10, 18, 10, 14, 14, 22, 10, 20, 18, 18, 14, 28, 11, 30, 16, 26, 30, 26, 22, 36, 30, 30, 22, 40, 20, 42, 26, 26, 30, 46, 20, 42, 34, 32, 34, 52, 26, 46, 33, 50, 42, 58, 26, 60, 30, 46, 32, 50, 48, 66, 58, 50, 44, 70, 40, 72, 66, 46, 58 ]
[ "nonn" ]
A297229
[ 1, 189, 1620, 9861, 171851, 2063378, 20599895, 248421807, 2936448567, 33036817382, 380933664485, 4411216117906, 50689193709680, 583360678744857, 6721605421544199, 77399781711154720, 891207805003409700 ]
[ "nonn" ]
A226768
[ 2, 89, 199, 4679, 1499, 24593, 118801, 318569, 1055741, 2253311, 3695513, 4559983, 22790969, 29625383, 85780433, 108547289, 1092631789, 520956851, 23522240041, 11229387053, 50466176303, 325923513479, 57958489439, 537724352057, 932937059897, 1970378236613, 12522644028841 ]
[ "nonn" ]
A154831
[ 3, 7, 11, 13, 21, 29, 39, 41, 43, 49, 53, 59, 73, 83, 85, 87, 95, 99, 101, 119, 129, 141, 143, 175, 181, 185, 189, 207, 217, 239, 241, 277, 279, 293, 311, 315, 323, 339, 343, 363, 367, 371, 375, 381, 389, 409, 421, 433, 435, 451, 473, 483, 497, 503, 507, 515 ]
[ "nonn", "easy" ]
A004640
[ 1, 8, 25, 59, 104, 187, 292, 426, 603 ]
[ "nonn", "base" ]
A343742
[ 2, 3, 5, 6, 7, 24, 41, 96, 130, 5219, 14283, 20976, 69719, 117840, 296471, 567967, 1465252, 3133740, 3721743, 8657497, 13923785, 46772045, 70150066, 136326924, 715928069, 1642323045 ]
[ "nonn", "base", "more" ]
A284318
[ 1, 2, 3, 2, 4, 5, 6, 7, 2, 4, 8, 3, 9, 10, 11, 6, 12, 13, 14, 15, 2, 4, 8, 16, 17, 6, 18, 19, 10, 20, 21, 22, 23, 6, 12, 24, 5, 25, 26, 3, 9, 27, 14, 28, 29, 30, 31, 2, 4, 8, 16, 32, 33, 34, 35, 6, 12, 18, 36, 37, 38, 39, 10, 20, 40, 41, 42, 43, 22, 44, 15, 45, 46, 47, 6, 12, 24, 48, 7, 49, 10, 50 ]
[ "nonn", "tabf" ]
A175965
[ 1, 2, 4, 7, 12, 19, 30, 43, 60, 79, 102, 131, 162, 199, 240, 283, 330, 383, 442, 503, 570, 641, 714, 793, 876, 965, 1062, 1163, 1266, 1373, 1482, 1595, 1722, 1853, 1990, 2129, 2278, 2429, 2586, 2749, 2916, 3089, 3268, 3449, 3640, 3833, 4030, 4229, 4440, 4663 ]
[ "nonn" ]
A175522
[ 2, 25, 95, 111, 119, 123, 125, 169, 187, 219, 221, 247, 289, 335, 365, 411, 415, 445, 485, 493, 505, 629, 655, 685, 695, 697, 731, 767, 815, 841, 871, 943, 949, 965, 985, 1003, 1139, 1207, 1241, 1261, 1263, 1273, 1343, 1387, 1465, 1469, 1507, 1513, 1529, 1563 ]
[ "nonn" ]
A091534
[ 1, 20, 10, 1, 1120, 1040, 290, 30, 1, 123200, 161920, 71320, 14040, 1340, 60, 1, 22422400, 37452800, 22097600, 6263040, 958720, 82800, 4000, 100, 1, 6098892800, 12222918400, 8928102400, 3257116800, 675281600, 84782880, 6625920, 322000 ]
[ "nonn", "easy", "tabf" ]
A275507
[ 48, 200, 1168, 7140, 43780, 268152, 1643372, 10069540, 61703488, 378096660, 2316847540, 14196847960, 86993404476, 533065762516, 3266444015616, 20015648328132, 122649024958372, 751551142797496, 4605247533843404 ]
[ "nonn" ]
A088823
[ 0, 2, 5, 7, 12, 1, 1, 1, 1, 4, 1, 1, 1, 2, 1, 1, 6, 1, 1, 1, 4, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 3, 4, 1, 3, 1, 2, 3, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 10, 1, 1, 1, 2, 29, 1, 1, 2, 1, 7, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 3, 1, 1, 2, 1, 5, 1, 14, 1, 1 ]
[ "nonn" ]
A243591
[ 4, 5, 9, 10, 11, 12, 14, 19, 20, 32, 47, 89, 96, 105, 123, 143, 291, 354, 371, 424, 493, 526, 784, 906, 2670, 3506, 7096, 7938, 15046, 23959, 24920, 51182 ]
[ "nonn", "more", "hard" ]
A143555
[ 1, 1, 4, 8, 28, 80, 308, 984, 3980, 13472, 56164, 197032, 838396, 3013872, 13015188, 47624568, 207971436, 771336512, 3397886660, 12736715592, 56502898140, 213618833808, 953139545076, 3629043226392, 16270547827020, 62317467147744 ]
[ "nonn" ]
A168627
[ 0, 1, 1056, 88938, 2099200, 24421875, 181421856, 988722196, 4295098368, 15690795525, 50000500000, 142656721086, 371505678336, 896082610423, 2024786349600, 4324883625000, 8796101410816, 17135960222601 ]
[ "nonn" ]
A147225
[ 1, 1, 1, 1, 5, 1, 10, 1, 26, 1, 220, 25, 1696, 141, 21805, 844, 438996, 11391, 9601298, 152742, 309244701, 3160409, 15392335628, 110025582, 1035900361260 ]
[ "nonn" ]
A046643
[ 1, 1, 1, 3, 1, 1, 1, 5, 3, 1, 1, 3, 1, 1, 1, 35, 1, 3, 1, 3, 1, 1, 1, 5, 3, 1, 5, 3, 1, 1, 1, 63, 1, 1, 1, 9, 1, 1, 1, 5, 1, 1, 1, 3, 3, 1, 1, 35, 3, 3, 1, 3, 1, 5, 1, 5, 1, 1, 1, 3, 1, 1, 3, 231, 1, 1, 1, 3, 1, 1, 1, 15, 1, 1, 3, 3, 1, 1, 1, 35, 35, 1, 1, 3, 1, 1, 1, 5, 1, 3 ]
[ "nonn", "easy", "frac", "nice", "mult" ]
A191140
[ 1, 2, 5, 6, 8, 17, 18, 20, 22, 26, 30, 53, 56, 62, 66, 68, 70, 78, 80, 86, 92, 102, 118, 161, 170, 188, 200, 206, 210, 212, 222, 236, 242, 246, 260, 262, 270, 278, 308, 310, 318, 342, 356, 366, 406, 470, 485, 512, 566, 602, 620, 632, 638, 642, 668, 678, 710, 728, 740, 750, 782, 788, 798, 812, 822, 836, 838, 846, 886, 926, 932, 942 ]
[ "nonn" ]
A046357
[ 4, 6, 8, 9, 121, 1331, 5445, 10201, 13231, 14641, 15251, 18281, 19291, 31613, 35653, 37673, 38683, 52525, 59895, 1030301, 1336331, 3192913, 8117118, 104060401, 134969431, 286121682, 319464913, 677707776 ]
[ "nonn", "base" ]
A269434
[ 8, 64, 512, 4068, 32152, 252932, 1981512, 15465934, 120310016, 933059856, 7216323640, 55670133422, 428465939112, 3290601897928, 25221303496496, 192953793764769, 1473623863797808, 11236105478130612, 85542959337048480 ]
[ "nonn" ]
A207918
[ 2, 4, 4, 6, 16, 6, 9, 36, 36, 10, 13, 81, 98, 100, 16, 19, 169, 271, 358, 256, 26, 28, 361, 665, 1309, 1152, 676, 42, 41, 784, 1675, 4181, 5371, 3910, 1764, 68, 60, 1681, 4344, 13759, 21145, 23637, 12994, 4624, 110, 88, 3600, 11081, 46800, 86255, 117835 ]
[ "nonn", "tabl" ]
A383486
[ 1, 9, 5, 0, 1, 3, 5, 8, 3, 2, 6, 7, 3, 1, 8, 9, 9, 5, 7, 9, 5, 4, 5, 2, 2, 1, 2, 5, 2, 5, 6, 8, 7, 4, 5, 9, 6, 0, 3, 3, 4, 1, 3, 5, 8, 8, 0, 5, 5, 0, 2, 8, 7, 1, 6, 0, 5, 2, 3, 1, 3, 9, 0, 4, 4, 3, 1, 2, 7, 7, 4, 1, 6, 5, 4, 7, 9, 2, 3, 6, 3, 3, 1, 4, 2, 6, 3, 9, 8, 7, 7, 1, 1, 0, 4, 1, 7, 8, 2, 5, 5, 1, 5, 8, 8 ]
[ "nonn", "cons" ]
A113439
[ 1, 1, 1, 1, 2, 3, 4, 5, 8, 12, 17, 23, 34, 50, 72, 101, 146, 212, 306, 436, 627, 905, 1305, 1871, 2689, 3872, 5577, 8014, 11521, 16576, 23858, 34309, 49337, 70968, 102108, 146868, 211233, 303832, 437080, 628708, 904306, 1300737, 1871065, 2691401 ]
[ "nonn", "easy" ]
A277477
[ 0, 1, 2, 6, 52, 540, 6846, 104832, 1883848, 38889360, 907247770, 23608391840, 678039307452, 21305543325248, 727095737061526, 26781816978470400, 1059020025979194100, 44746083421419995000, 2.0119295871989902e+21, 9.591880810123286e+22 ]
[ "nonn" ]
A291349
[ 1, 7, 11, 31, 57, 73, 97, 105, 209, 245, 403, 545, 917, 953, 1177, 1239, 1283, 1627, 2465, 3701, 4479, 4637, 6349, 7983, 11155, 13595, 15547, 17031, 17609, 24087, 24707, 39773, 40407, 63329 ]
[ "nonn", "more" ]
A104884
[ 4, 5, 8, 24, 54, 117, 222, 258, 291, 591, 888, 951, 1656, 1674, 2451, 2577, 4212, 4857, 6597, 7398, 10758, 10950, 11601, 19608, 20604, 27411, 35157, 43338, 45174, 46920, 53412, 71661, 90699, 96681, 107385, 123051, 130782, 189741, 225747, 273738, 288096, 362781 ]
[ "nonn" ]
A197474
[ 5, 98, 1300, 10934, 151748, 1265828, 16544206, 145244408, 1830370547, 16537658774, 202870487557, 1878224690406, 22527034080238, 212875475502774, 2505004507267645, 24087191716817350, 278905922435987870 ]
[ "nonn" ]
A252016
[ 2, 23, 223, 2322337, 223232233717, 232233722323223380000, 2.2323223371723225e+35, 2.3223372232322335e+59 ]
[ "nonn", "base" ]
A154842
[ 8, 9, 6, 9, 7, 5, 2, 9, 6, 8, 7, 0, 3, 0, 1, 7, 5, 7, 9, 1, 0, 2, 4, 9, 3, 5, 3, 6, 1, 3, 9, 2, 1, 8, 8, 3, 5, 9, 1, 6, 5, 1, 5, 2, 9, 7, 6, 8, 8, 8, 8, 0, 3, 8, 9, 0, 3, 0, 4, 6, 8, 4, 4, 2, 6, 0, 4, 5, 8, 1, 2, 0, 0, 2, 5, 6, 0, 5, 6, 9, 5, 6, 7, 0, 3, 1, 7, 9, 0, 7, 7, 2, 2, 8, 1, 5, 4, 6, 2 ]
[ "nonn", "cons" ]
A176086
[ 1, 5, 17, 53, 161, 485, 1433, 4229, 12425, 36485, 106673, 311957, 909953, 2654501, 7728401, 22503053, 65425505, 190239989, 552507641, 1604779373, 4656679889 ]
[ "nonn" ]
A190236
[ 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1 ]
[ "nonn" ]
A323540
[ 0, 1, 32, 2025, 204800, 30525625, 6307891200, 1727713080625, 606076928000000, 265058191985900640, 141409376995328000000, 9.04031250028596e+22, 6.822951008644557e+25, 6.002660330448742e+28, 6.0893916244529685e+31 ]
[ "nonn" ]
A303633
[ 0, 3, 0, 8, 20, 66, 207, 726, 2461, 8538, 29072, 100909, 345464, 1192462, 4104543, 14145598, 48741105, 167919091, 578641035, 1993746222, 6869984946, 23672540436, 81569450595, 281073069448, 968513250894, 3337304064491, 11499656306463 ]
[ "nonn" ]
A024439
[ 1, 27, 482, 7182, 96843, 1227609, 14939644, 176784444, 2050941365, 23457934071, 265547461686, 2983410454986, 33332770184767, 370895550650613, 4114522946353808, 45542666345230010, 503271413032566300 ]
[ "nonn", "easy" ]
A234138
[ 3584, 4040, 4808, 6440, 9512, 16424, 30632, 65192, 141224, 342440, 807848, 2131880, 5299112, 14779304, 37923752, 109378472, 285821864, 840035240, 2216856488, 6581111720, 17457023912, 52093750184, 138546908072, 414532438952 ]
[ "nonn" ]
A165698
[ 110218462, 316673011, 1021262438, 1043674352, 1079713202, 1102184620, 1114558252, 3151003391, 3166730110, 3177732191, 3185342356, 3247705288, 3264209387, 3277762652, 3307639187, 9835884797, 9956850724, 9998454781 ]
[ "base", "nonn" ]
A141303
[ 2, 5, 17, 53, 113, 137, 173, 197, 233, 257, 293, 317, 353, 557, 593, 617, 653, 677, 773, 797, 857, 953, 977, 1013, 1097, 1193, 1217, 1277, 1373, 1433, 1493, 1553, 1613, 1637, 1697, 1733, 1877, 1913, 1973, 1997, 2153, 2213, 2237, 2273, 2297, 2333, 2357, 2393, 2417, 2477 ]
[ "nonn" ]
A288240
[ 1, 9, 4, 6, 2, 9, 0, 3, 8, 3, 5, 0, 2, 7, 4, 5, 0, 5, 1, 2, 0, 9, 7, 3, 9, 5, 6, 5, 8, 1, 4, 8, 5, 8, 6, 7, 0, 4, 2, 4, 2, 1, 2, 6, 9, 2, 6, 7, 3, 3, 1, 2, 8, 3, 4, 4, 5, 6, 5, 5, 2, 6, 1, 2, 1, 3, 0, 2, 5, 7, 9, 1, 7, 4, 0, 3, 2, 0, 3, 8, 0, 8, 0, 6, 0, 2 ]
[ "nonn", "cons", "easy" ]
A292630
[ 1, 1, 1, 1, 2, 2, 1, 3, 5, 3, 1, 4, 10, 13, 6, 1, 5, 17, 35, 35, 10, 1, 6, 26, 75, 126, 96, 20, 1, 7, 37, 139, 339, 462, 267, 35, 1, 8, 50, 233, 758, 1558, 1716, 750, 70, 1, 9, 65, 363, 1491, 4194, 7247, 6435, 2123, 126, 1, 10, 82, 535, 2670, 9660, 23460, 34016, 24310, 6046, 252, 1, 11, 101, 755, 4451, 19846, 63195, 132339, 160795, 92378, 17303, 462 ]
[ "nonn", "tabl" ]
A286604
[ 0, 0, 1, 0, 2, 0, 1, 0, 0, 1, 3, 0, 1, 2, 3, 0, 2, 0, 3, 0, 1, 2, 5, 0, 1, 0, 0, 1, 1, 0, 1, 2, 1, 2, 0, 0, 1, 2, 4, 0, 5, 2, 3, 4, 3, 4, 5, 0, 1, 2, 3, 0, 3, 0, 3, 0, 2, 3, 5, 0, 1, 2, 3, 4, 2, 1, 1, 2, 6, 0, 7, 0, 1, 2, 0, 1, 5, 2, 4, 0, 3, 4, 6, 4, 1, 2, 3, 4, 1, 0, 0, 1, 5, 6, 5, 0, 2, 3, 3, 4, 3, 2, 1, 2, 0, 1, 3, 0, 4, 5, 7, 0, 5, 2, 3, 4, 0, 1, 9, 0 ]
[ "nonn", "base" ]
A264364
[ 1, 3, 1, 9, 6, 1, 18, 36, 13, 1, 36, 120, 169, 28, 1, 78, 400, 936, 784, 60, 1, 169, 1440, 5184, 7168, 3600, 129, 1, 364, 5184, 33408, 65536, 54720, 16641, 277, 1, 784, 18432, 215296, 730368, 831744, 418992, 76729, 595, 1, 1680, 65536, 1323792, 8139609 ]
[ "nonn", "tabl" ]
A327058
[ 1, 1, 1, 3, 155 ]
[ "nonn", "more" ]
A045200
[ 375, 628, 640, 700, 1000, 1253, 1265, 1325, 1625, 1876, 1877, 1879, 1880, 1885, 1895, 1900, 1925, 1975, 2000, 2125, 2375, 2503, 2515, 2575, 2875, 3133, 3138, 3141, 3142, 3144, 3148, 3153, 3165, 3178, 3190, 3201, 3202, 3204, 3205, 3210, 3220, 3228, 3240, 3253, 3265 ]
[ "nonn", "base" ]
A087320
[ 1, 4, 9, 4, 25, 36, 49, 8, 9, 100, 121, 36, 169, 196, 225, 16, 289, 36, 361, 100, 441, 484, 529, 144, 25, 676, 27, 196, 841, 900, 961, 32, 1089, 1156, 1225, 36, 1369, 1444, 1521, 400, 1681, 1764, 1849, 484, 225, 2116, 2209, 144, 49, 100, 2601, 676, 2809, 216, 3025 ]
[ "easy", "nonn" ]
A239584
[ 8, 9, 121, 343, 2209 ]
[ "nonn", "hard", "more" ]
A220468
[ 1, 10, 2, 4, 3, 2, 5, 4, 2, 6, 1, 10, 2, 4, 3, 2, 5, 4, 2, 6, 1, 10, 2, 4, 3, 2, 5, 4, 2, 6, 1, 10, 2, 4, 3, 2, 5, 4, 2, 6, 1, 10, 2, 4, 3, 2, 5, 4, 2, 6, 1, 10, 2, 4, 3, 2, 5, 4, 2, 6, 1, 10, 2, 4, 3, 2, 5, 4, 2, 6, 1, 10, 2, 4, 3, 2, 5, 4, 2, 6, 1, 10, 2, 4, 3, 2, 5, 4, 2, 6 ]
[ "nonn", "base", "less", "easy" ]
A213583
[ 1, 9, 38, 120, 327, 819, 1948, 4482, 10085, 22341, 48930, 106236, 229075, 491175, 1048184, 2227782, 4718097, 9960921, 20970910, 44039520, 92273951, 192937179, 402652308, 838859850, 1744829437, 3623877549, 7516191578, 15569255172, 32212253355, 66571991631 ]
[ "nonn", "easy" ]
A134369
[ 1, 36, 1728000, 645241282560000, 6.292383221978976e+27, 4.04514699797419e+45, 3.630464669709527e+68 ]
[ "nonn" ]
A123295
[ 14, 45, 76, 107, 138, 169, 200, 231, 256, 262, 287, 293, 318, 324, 349, 355, 380, 386, 411, 417, 442, 448, 473, 498, 504, 529, 535, 560, 566, 591, 597, 622, 628, 653, 659, 684, 715, 740, 746, 771, 777, 802, 808, 833, 839, 864, 870, 895, 926, 957, 982, 988 ]
[ "easy", "nonn" ]
A040303
[ 17, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10, 1, 34, 1, 10 ]
[ "nonn", "cofr", "easy", "mult" ]
A111485
[ 1, 3, 12, 107, 951, 10923 ]
[ "hard", "nonn" ]
A161855
[ 125, 343, 512, 2197, 2744, 4913, 6859, 10648, 12167, 15625, 17576, 21952, 24389, 29791, 32768, 39304, 42875, 50653, 54872, 68921, 79507, 85184, 97336, 103823, 117649, 125000, 140608, 148877, 166375, 175616, 195112, 205379, 226981, 238328, 262144, 274625, 300763 ]
[ "nonn", "base" ]
A035621
[ 0, 0, 0, 0, 1, 1, 1, 1, 4, 4, 4, 4, 10, 11, 11, 11, 22, 25, 26, 26, 44, 51, 54, 55, 84, 98, 105, 108, 153, 178, 193, 200, 269, 313, 341, 356, 459, 531, 582, 611, 764, 880, 967, 1021, 1244, 1424, 1568, 1662, 1988, 2264, 2494, 2653, 3122, 3536, 3896, 4155 ]
[ "nonn" ]
A237544
[ 256, 1888, 1888, 14208, 25280, 14208, 106496, 344128, 344128, 106496, 798208, 4672896, 8541016, 4672896, 798208, 5985280, 63456608, 211030720, 211030720, 63456608, 5985280, 44879872, 862467040, 5218152940, 9482488816, 5218152940 ]
[ "nonn", "tabl" ]
A385775
[ 2, 11, 181, 211, 281, 811, 821, 881, 1181, 1811, 2111, 2221, 2281, 8111, 8221, 8821, 11821, 12211, 12281, 12821, 18121, 18181, 18211, 21121, 21211, 21221, 21821, 21881, 22111, 22811, 28111, 28181, 28211, 81181, 81281, 82811, 88211, 88811, 111121 ]
[ "nonn", "base", "easy" ]
A084319
[ 91, 713, 2331, 3737, 37101, 383149, 1329473, 10912197, 328312853, 1129846623, 3735159117, 31245053039, 173977184859, 3293176308321, 319269241788861, 371325123869195200, 1278647733810376000, 1665622037676698000, 31742715741254857000, 56627509560552920000 ]
[ "base", "nonn" ]