id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A069807
[ 3, 4, 5, 9, 9, 13, 16, 17, 15, 17, 31, 30, 23, 32, 43, 28, 41, 84, 58, 72, 86, 52, 39, 41, 62, 97, 64, 83, 85, 49, 76, 56, 144, 81, 87, 111, 115, 94, 96, 69, 72, 129, 76, 192, 108, 109, 235, 247, 124, 157, 91, 92, 163, 96, 137, 215, 140, 181, 262, 103, 300, 107, 202, 246 ]
[ "easy", "nonn" ]
A203251
[ 116, 776, 18440, 753168, 50071584 ]
[ "nonn" ]
A096085
[ 1, 2, 6, 4, 20, 60, 340, 920, 600, 1000, 14240, 31560, 100120, 140960, 315960, 314800, 7523840, 1020480, 109764640, 66757520, 23256960, 2200720, 1260893360, 1059221040, 16184204800, 34159566800, 18162880800, 68345405200 ]
[ "base", "nonn", "less" ]
A335619
[ 1, 1, 1, 4, 1, 7, 2, 10, 3, 8, 1, 42, 2, 7, 7 ]
[ "nonn", "more" ]
A386546
[ 1, 2, 6, 9, 12, 18, 21, 26, 28, 31, 43, 49, 52, 54, 73, 79, 91, 93, 95, 99, 102, 109, 111, 121, 122, 133, 153, 159, 175, 179, 185, 193, 197, 211, 215, 227, 231, 239, 241, 243, 271, 279, 286, 291, 295, 299, 301, 305, 309, 311, 313, 318, 324, 329, 339, 345 ]
[ "nonn" ]
A120518
[ 1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 18, 19, 22, 23, 24, 25, 27, 28, 29, 30, 32, 33, 34, 35, 37, 38, 39, 40, 43, 44, 45, 46, 48, 49, 50, 51, 53, 54, 55, 56, 58, 59, 60, 61, 64, 65, 66, 67, 69, 70, 71, 72, 74, 75, 76, 77, 79, 80, 81, 82, 86, 87, 88, 89, 91, 92 ]
[ "nonn" ]
A354676
[ 3, 24, 105, 154, 213, 243, 268, 288, 307 ]
[ "nonn", "hard", "more" ]
A078355
[ 1, 3, 16, 1, 5, 8, 24, 640, 1, 7, 40, 195, 32, 3, 534000, 1, 9, 106000, 3, 12754704, 40, 8, 6525, 226592, 1, 11, 2968, 15, 1039424, 16, 48, 305, 352, 3621, 1856, 1, 13, 9384, 126585, 1360, 8, 896073208080, 56, 72664, 3, 6440, 5, 521904, 1, 15, 140510608, 5 ]
[ "nonn" ]
A320814
[ 0, 1, 1, 5, 13, 13, 13, 77, 77, 333, 333, 333, 333, 333, 333, 16717, 16717, 16717, 147789, 409933, 934221, 934221, 934221, 934221, 9322829, 9322829, 9322829, 9322829, 143540557, 411976013, 948846925, 948846925, 948846925, 948846925, 9538781517, 9538781517 ]
[ "nonn" ]
A080378
[ 1, 2, 2, 0, 2, 0, 2, 0, 2, 2, 2, 0, 2, 0, 2, 2, 2, 2, 0, 2, 2, 0, 2, 0, 0, 2, 0, 2, 0, 2, 0, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 0, 2, 0, 0, 0, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 0, 2, 0, 2, 2, 2, 2, 0, 2, 0, 2, 2, 0, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2 ]
[ "nonn" ]
A134331
[ 0, 4, 6, 8, 10, 12, 14, 12, 12, 18, 22, 19, 26, 22, 19, 16, 34, 22, 38, 22, 23, 32, 46, 23, 20, 36, 18, 26, 58, 37, 62, 20, 34, 46, 29, 29, 74, 50, 38, 31, 82, 38, 86, 36, 30, 58, 94, 30, 28, 32, 46, 40, 106, 30, 37, 37, 50, 70, 118, 41, 122, 74, 36, 24, 41, 48, 134, 50, 58, 50 ]
[ "nonn" ]
A262505
[ 0, 1, 3, 7, 11, 9, 13, 15, 19, 21, 31, 41, 49, 59, 67, 77, 81, 87, 55, 57, 65, 59, 63, 67, 77, 79, 89, 37, 27, 33, 37, 47, 55, 65, 67, 71, 85, 99, 65, 67, 77, 89, 93, 103, 95, 105, 109, 117, 121, 131, 135, 115, 117, 119, 133, 133, 153, 133, 143, 141, 147, 159, 175, 181, 201, 205, 223, 239, 245, 249, 259, 275, 269, 271, 273, 271, 289, 303, 77 ]
[ "nonn" ]
A273126
[ 1, 1, 2, 1, 2, 2, 4, 1, 2, 2, 4, 2, 5, 4, 6, 1, 2, 2, 4, 2, 5, 4, 6, 2, 7, 5, 5, 4, 5, 6, 8, 1, 2, 2, 4, 2, 5, 4, 6, 2, 7, 5, 5, 4, 5, 6, 8, 2, 9, 7, 6, 5, 6, 5, 6, 4, 8, 5, 7, 6, 6, 8, 10, 1, 2, 2, 4, 2, 5, 4, 6, 2, 7, 5, 5, 4, 5, 6, 8, 2, 9, 7, 6, 5, 6, 5, 6, 4, 8, 5, 7, 6, 6, 8, 10, 2, 11, 9, 7, 7, 8, 6, 9, 5, 7, 6, 8, 5, 7, 6, 9, 4, 9, 8, 11, 5, 6, 7, 7, 6, 7, 6, 8, 8, 9, 10, 12 ]
[ "nonn" ]
A026931
[ 1, 0, 1, 1, 1, 2, 0, 1, 1, 2, 1, 2, 3, 3, 4, 0, 2, 3, 4, 4, 5, 1, 2, 5, 6, 7, 7, 8, 0, 2, 4, 7, 8, 9, 9, 10, 1, 3, 7, 10, 13, 14, 15, 15, 16, 0, 3, 6, 11, 14, 17, 18, 19, 19, 20, 1, 3, 9, 14, 20, 23, 26, 27, 28, 28, 29, 0, 3, 8, 16, 22, 28, 31, 34, 35, 36 ]
[ "nonn", "tabl" ]
A200594
[ 1, 2, 3, 6, 1, 3, 1, 7, 8, 7, 5, 1, 5, 2, 3, 7, 2, 2, 4, 1, 3, 4, 5, 7, 0, 0, 3, 1, 7, 3, 6, 5, 8, 9, 7, 8, 2, 1, 5, 2, 6, 2, 5, 2, 0, 4, 5, 4, 0, 2, 6, 9, 4, 9, 6, 8, 2, 1, 3, 3, 8, 1, 8, 6, 7, 2, 5, 5, 3, 1, 1, 4, 2, 7, 1, 8, 3, 4, 0, 8, 4, 0, 6, 3, 1, 1, 1, 4, 1, 7, 8, 0, 0, 8, 2, 8, 8, 8, 3, 8 ]
[ "nonn", "cons" ]
A085675
[ 4, 9, 0, 7, 3, 1, 5, 0, 2, 7, 2, 7, 5, 8, 1, 8, 2, 9, 5, 1, 5, 8, 8, 9, 1, 9, 7, 1, 6, 3, 6, 5, 1, 7, 1, 3, 0, 8, 7, 0, 6, 1, 8, 3, 7, 2, 6, 6, 2, 6, 5, 1, 8, 8, 3, 6, 4, 8, 0, 7, 5, 1, 3, 7, 3, 9, 1, 0, 7, 9, 9, 4, 7, 6, 6, 8, 9, 6, 7, 6, 0, 9, 5, 2, 1, 3, 8, 1, 4, 4, 6, 1, 0, 0, 2, 2, 0, 2, 0 ]
[ "cons", "nonn" ]
A022613
[ 1, -18, 153, -834, 3384, -11340, 33729, -92430, 236727, -572120, 1318743, -2922948, 6259641, -13000770, 26283159, -51879720, 100210041, -189775800, 352975681, -645780060, 1163610432, -2067225594, 3624593265, -6277838652 ]
[ "sign" ]
A317344
[ 1, 1, 6, 74, 1400, 35676, 1140328, 43740848, 1954336608, 99561874080, 5691393582336, 360561583177440, 25064797000415744, 1896477768217789200, 155128714525468600000, 1.363983990749468e+22, 1.2828113597787335e+24, 1.2849829098544318e+26, 1.36579384895146e+28, 1.5352729895032393e+30, 1.8197596134635095e+32 ]
[ "nonn" ]
A090031
[ 1, 2, 4, 10, 26, 64, 159, 366, 862, 1904, 4538, 10238, 24098, 53186, 123435, 268416, 616374, 1326882, 3021126, 6438828, 14524718, 30633586, 68513713, 143106496, 317305688, 656178756, 1442068376, 2951523620, 6427133737, 13014920506, 28070588413, 56212979470, 120030667717 ]
[ "fini", "hard", "nonn" ]
A211750
[ 48, 238, 990, 3764, 13830, 49722, 176928, 629352, 2235852, 8002034, 28683258, 103771062, 376062560, 1374796560, 5031081278, 18549468152, 68412809246, 253875030476, 941922579066, 3512298224194, 13090258692986, 48987088758646 ]
[ "nonn" ]
A164164
[ 1, 2, 4, 8, 14, 24, 42, 76, 142, 270, 518, 998, 1924, 3712, 7168, 13856, 26826, 52018, 101024, 196496, 382710, 746326, 1457084, 2847688, 5570840, 10907820, 21375520, 41921164, 82274428, 161581188, 317535452, 624383548, 1228435862, 2418134866 ]
[ "nonn" ]
A284927
[ 1, 63, 730, 4031, 15626, 45990, 117650, 257983, 532171, 984438, 1771562, 2942630, 4826810, 7411950, 11406980, 16510911, 24137570, 33526773, 47045882, 62988406, 85884500, 111608406, 148035890, 188327590, 244156251, 304089030, 387952660, 474247150, 594823322 ]
[ "nonn", "mult" ]
A245167
[ 1, 0, 1, 0, 1, 1, 0, 7, 19, 7, 0, 1, 5, 5, 1, 0, 91, 707, 1311, 707, 91, 0, 52, 570, 1655, 1655, 570, 52 ]
[ "nonn", "tabl", "more" ]
A295058
[ 3, 5, 8, 12, 18, 29, 49, 88, 165, 317, 620, 1225, 2434, 4851, 9683, 19346, 38671, 77320, 154617, 309210, 618395, 1236764, 2473501, 4946974, 9893918, 19787805, 39575578, 79151123, 158302212, 316604389, 633208742 ]
[ "nonn", "easy" ]
A383639
[ 1, 7, 31, 91, 97, 291, 331, 391, 397, 931, 2331, 3331, 3391, 3931, 5331, 7331, 7397, 8397, 9291, 9331, 23331, 27397, 32331, 33391, 33931, 39291, 39331, 43331, 48397, 59291, 68397, 69291, 93331, 127397, 159291, 427397, 439291, 459291, 469291, 623331, 632331 ]
[ "nonn", "base", "fini", "full" ]
A382917
[ 1, 1, 7, 52, 432, 3878, 36694, 360498, 3642534, 37613947, 395204413, 4211469308, 45409525116, 494500127617, 5430864937915, 60083846523038, 669005596426438, 7491245872785003, 84305386452532880, 953020276395635200, 10816782722212620000, 123218274878407740000 ]
[ "nonn" ]
A035917
[ 1, 0, 13448, 0, 30150416, 0, 27063010712, 0, 13032761962016, 0, 3913291362389672, 0, 803284881791282400, 0, 119978383321782190000, 0, 1.3641020048513471e+22, 0, 1.2217251046704565e+24, 0, 8.854601559365751e+25, 0, 5.307256748692946e+27, 0, 2.678337186938966e+29, 0 ]
[ "nonn" ]
A159707
[ 1, 8, -818, -20656, 1999180, 88867808, -8105441336, -535131970624, 45761939043472, 4141986697070720, -330122378550514940, -39173301696567870000, 2.889460903124553e+21, 4.377259123814707e+23, -2.962875141617436e+25, -5.642069577415796e+27 ]
[ "sign", "frac" ]
A259616
[ 1, 8, 4, 1, 1, 8, 3, 7, 8, 1, 3, 4, 0, 6, 5, 9, 3, 0, 2, 6, 4, 3, 6, 2, 9, 5, 1, 3, 6, 4, 4, 4, 4, 3, 3, 2, 2, 4, 3, 6, 1, 2, 7, 0, 3, 9, 0, 9, 6, 8, 1, 9, 2, 6, 4, 3, 5, 0, 4, 6, 7, 7, 4, 2, 9, 2, 4, 2, 2, 9, 2, 0, 9, 8, 5, 9, 0, 6, 5, 3, 8, 6, 1, 8, 9, 3, 3, 5, 4, 1, 7, 2, 0, 0, 9, 3, 7, 8, 4, 8, 4, 1, 1, 1, 4 ]
[ "nonn", "cons", "easy" ]
A315809
[ 1, 6, 6, 15, 15, 18, 27, 27, 30, 36, 42, 42, 48, 57, 51, 60, 69, 63, 72, 78, 78, 84, 90, 93, 93, 102, 105, 105, 114, 114, 120, 126, 126, 135, 135, 138, 147, 147, 150, 156, 162, 162, 168, 177, 171, 180, 189, 183, 192, 198 ]
[ "nonn" ]
A038447
[ 11111, 101111, 110111, 111011, 111101, 111110, 1001111, 1010111, 1011011, 1011101, 1011110, 1100111, 1101011, 1101101, 1101110, 1110011, 1110101, 1110110, 1111001, 1111010, 1111100, 10001111, 10010111, 10011011, 10011101 ]
[ "nonn", "easy" ]
A036366
[ 0, 1, 4, 13, 42, 113, 309, 792, 2049, 5167, 13071, 32724, 82006, 204619, 510655, 1272101, 3168971, 7888446, 19636642, 48868367, 121621466, 302673515, 753319709, 1875049668, 4667676111, 11620911254, 28936281066, 72062264255 ]
[ "easy", "nice", "nonn" ]
A309813
[ 1, 2, 6, 42, 56, 131, 170, 307, 650, 1302, 2021, 2028, 2238, 2944, 3151, 4466, 7365, 7936, 9344, 17384, 23470, 28328, 30318, 31806, 36385, 37283, 40245, 48934, 89509, 108985, 113677, 123092, 173614, 295701, 300255, 311221, 363758 ]
[ "nonn" ]
A347988
[ 3, 13, 31, 43, 61, 307, 331, 631, 5233 ]
[ "nonn", "hard", "more" ]
A033601
[ 1, 4, 12, 22, 37, 57, 84, 114, 156, 184, 222, 281, 340, 386, 458, 518, 570, 672, 760, 829, 912, 1008, 1109, 1224, 1331, 1443, 1549, 1644, 1807, 1966, 2067, 2180, 2367, 2490, 2638, 2846, 3006, 3102, 3286, 3530, 3677, 3862, 4049, 4244, 4427, 4639, 4896 ]
[ "nonn" ]
A024684
[ 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 6, 9, 11, 13, 13, 15, 18, 17, 19, 25, 26, 28, 32, 31, 37, 32, 39, 44, 51, 54, 48, 60, 55, 62, 64, 73, 80, 79, 74, 89, 84, 92, 86, 92, 107, 119, 105, 118, 122, 117, 135, 143, 146, 147, 141, 149, 159, 157, 176, 175, 190, 180 ]
[ "nonn" ]
A298997
[ 8, 121, 1073, 10150, 97462, 932318, 8918662, 85379274, 817325435, 7824101240, 74900669973, 717032783698, 6864239941309, 65712258531277, 629072225933512, 6022192925933026, 57651265263937576, 551903354684601150 ]
[ "nonn" ]
A208720
[ 7, 13, 19, 36, 58, 122, 224, 502, 1066, 2528, 5902, 14717, 36557, 93987, 242387, 635990, 1675743, 4457771, 11903835, 31970464, 86144382, 233001926, 631920076, 1718567054, 4684178054, 12794677456, 35012475762, 95976563897, 263496604025, 724445459431 ]
[ "nonn" ]
A063255
[ 1, 2, 6, 23, 110, 632, 4241, 32588, 282319, 2723367, 28956324, 336500792, 4243680123, 57726145630, 842549831398, 13134803320582, 217825262451008, 3829135527898758, 71124557422108260, 1391954866602464500, 28628532870485795000, 617344251641100600000 ]
[ "nonn" ]
A320728
[ 0, 1, 9, 10, 25, 34, 35, 49, 74, 81, 83, 84, 121, 130, 155, 164, 165, 169, 202, 225, 251, 276, 285, 286, 289, 290, 361, 371, 394, 420, 441, 445, 454, 455, 514, 515, 529, 596, 625, 645, 650, 670, 679, 680, 683, 729, 802, 804, 841, 875, 885, 934, 959, 961, 968, 969, 970, 1044, 1089 ]
[ "nonn" ]
A084504
[ 111, 111, 111, 111, 1011, 111, 111, 111, 111, 111, 1011, 111, 1011, 111, 111, 1011, 1101, 111, 10011, 1011, 111, 10011, 1101, 111, 111, 111, 111, 111, 111, 111, 1011, 111, 111, 1011, 111, 111, 111, 1011, 1101, 111, 111, 10011, 1011, 111, 111, 10011 ]
[ "nonn" ]
A268780
[ 72, 766, 10615, 115391, 1288693, 13493468, 140404442, 1425678976, 14341399141, 142487073304, 1404716302427, 13742060955231, 133640514636584, 1292631496259982, 12446235637750464, 119353876258739180 ]
[ "nonn" ]
A087870
[ 61, 181, 269, 277, 349, 389, 509, 541, 613, 653, 661, 701, 757, 773, 821, 877, 941, 1069, 1109, 1117, 1181, 1237, 1301, 1597, 1613, 1693, 1733, 1741, 1789, 1877, 1933, 1997, 2053, 2069, 2141, 2221, 2269, 2357, 2389, 2437, 2557, 2741, 2789, 2837, 2909 ]
[ "nonn" ]
A124689
[ -1, 3, 17, 7, 2, 8, 19, 23, 3, 8, 53, 71, 290, 5, 157, 36, 201, 52, 48, 41, 214, 14, 38, 131, 48, 17, 19, 121, 33, 8, 50, 19, 315, 282, 3, 355, 43, 9, 135, 11, 19, 65, 114, 85, 123, 108, 312, 263, 59, 11, 148, 80, 168, 296, 26, 25, 55, 4, 82, 23, 96, 147 ]
[ "base", "easy", "sign" ]
A194305
[ 1, 2, 0, 2, 1, 0, 1, 2, 1, 0, 1, 1, 2, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 1, 0, 2, 2, 0, 2, 1, 0, 1, 1, 1, 0, 2, 0, 2, 2, 0, 2, 1, 0, 1, 1, 0, 2, 0, 2, 1, 1, 2, 0, 2, 0, 1, 1, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 1, 1, 1, 0, 2, 0, 2, 0, 2, 0, 2 ]
[ "nonn", "tabl" ]
A138984
[ 1, 2, 3, 9, 11, 13, 23, 26, 29, 43, 47, 51, 69, 74, 79, 101, 107, 113, 139, 146, 153, 183, 191, 199, 233, 242, 251, 289, 299, 309, 351, 362, 373, 419, 431, 443, 493, 506, 519, 573, 587, 601, 659, 674, 689, 751, 767, 783, 849, 866, 883, 953, 971, 989, 1063, 1082 ]
[ "nonn", "easy" ]
A112907
[ 8, 88, 888, 8888, 888880, 888888, 28888888, 88888888, 888888888, 88888888880, 888888888888, 888888888888, 78888888888888, 588888888888888, 8888888888888880, 88888888888881890, 688888888888888800 ]
[ "base", "nonn" ]
A314560
[ 1, 5, 8, 15, 21, 26, 27, 35, 39, 44, 51, 57, 61, 62, 71, 72, 78, 87, 94, 94, 97, 108, 106, 112, 122, 131, 128, 131, 144, 141, 146, 158, 167, 162, 166, 179, 176, 180, 194, 203, 196, 201, 215, 210, 214, 231, 238, 230, 235, 252 ]
[ "nonn" ]
A369709
[ 1, 3, 12, 62, 332, 1974, 12345, 80006, 531524, 3602358, 24836850, 173607568, 1226700784, 8748861828, 62922343566, 455805857978, 3321800235936, 24338840717799, 179217603427200, 1325490660318216, 9841000101286172, 73319407735938580, 548051770664957630, 4108826483323393000 ]
[ "nonn" ]
A178233
[ 1, 4, 5, 1, 8, 1, 9, 2, 1, 9, 4, 6, 7, 8, 6, 4, 2, 1, 8, 1, 7, 7, 3, 2, 5, 6, 6, 9, 4, 0, 7, 8, 3, 6, 9, 5, 6, 2, 0, 6, 9, 3, 7, 5, 2, 6, 8, 8, 0, 6, 6, 5, 0, 1, 0, 1, 2, 7, 0, 5, 0, 1, 6, 6, 2, 7, 6, 8, 2, 2, 8, 3, 9, 0, 8, 4, 2, 7, 8, 7, 0, 9, 5, 8, 1, 2, 3, 8, 6, 2, 9, 8, 7, 4, 9, 3, 1, 0, 9, 5, 0, 6, 3, 2, 5 ]
[ "cons", "nonn" ]
A369423
[ 0, 10, 264, 2052, 9280, 30750, 83160, 194824, 410112, 794610, 1441000, 2475660, 4065984, 6428422, 9837240, 14634000, 21237760, 30155994, 41996232, 57478420, 77448000, 102889710, 134942104, 174912792, 224294400, 284781250, 358286760, 446961564, 553212352 ]
[ "nonn", "easy" ]
A332581
[ 0, 1, 1, 2, 2, 4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 3, 5, 9, 17, 9, 16, 14, 12, 10, 16, 0, 28, 22, 8, 12, 20, 0, 32, 22, 0, 34, 22, 38, 27, 20, 33, 26, 45, 38, 20, 32, 5, 48, 35, 26, 43, 34, 2, 52, 36, 2, 54, 36, 61, 50, 24, 36, 60, 40, 67, 54, 24, 34, 54, 20, 25, 10, 5 ]
[ "nonn" ]
A242344
[ 6, 28, 36, 120, 136, 171, 276, 300, 325, 528, 561, 780, 820, 903, 1081, 1128, 1176, 1275, 1540, 1596, 1653, 2080, 2211, 2415, 2485, 2556, 2775, 3160, 3240, 3403, 3655, 3828, 4371, 4851, 5151, 5253, 5356, 5460, 5995, 6105, 6328, 6441, 6903, 7381, 7503, 8001, 8256 ]
[ "nonn" ]
A015766
[ 1, 2, 3, 6, 19689, 39378 ]
[ "nonn", "more" ]
A030118
[ 1, 1, 2, 4, 6, 7, 7, 7, 8, 10, 12, 13, 13, 13, 14, 16, 18, 19, 19, 19, 20, 22, 24, 25, 25, 25, 26, 28, 30, 31, 31, 31, 32, 34, 36, 37, 37, 37, 38, 40, 42, 43, 43, 43, 44, 46, 48, 49, 49, 49, 50, 52, 54, 55, 55, 55, 56, 58, 60, 61, 61, 61, 62, 64, 66, 67, 67, 67, 68, 70, 72, 73 ]
[ "nonn", "easy" ]
A338506
[ 2, 4, 4, 8, 4, 16, 4, 16, 8, 16, 4, 64, 4, 16, 16, 32, 4, 64, 4, 64, 16, 16, 4, 256, 8, 16, 16, 64, 4, 256, 4, 64, 16, 16, 16, 512, 4, 16, 16, 256, 4, 256, 4, 64, 64, 16, 4, 1024, 8, 64, 16, 64, 4, 256, 16, 256, 16, 16, 4, 4096, 4, 16, 64, 128, 16, 256, 4, 64 ]
[ "nonn", "easy" ]
A195709
[ 5, 6, 3, 9, 4, 2, 6, 4, 1, 3, 6, 0, 6, 2, 8, 8, 4, 2, 6, 9, 3, 8, 3, 1, 1, 7, 2, 1, 8, 3, 7, 4, 6, 8, 4, 7, 8, 5, 1, 8, 5, 9, 5, 3, 9, 3, 0, 4, 2, 5, 6, 7, 8, 3, 7, 5, 7, 2, 4, 2, 6, 6, 4, 2, 6, 6, 9, 2, 6, 2, 7, 9, 6, 5, 7, 8, 7, 4, 1, 2, 3, 6, 4, 0, 9, 2, 9, 4, 5, 7, 1, 8, 8, 3, 8, 4, 5, 1, 4, 2 ]
[ "nonn", "cons" ]
A348318
[ 9, 14, 108, 710, 4978, 35724, 273032, 2097356, 16674554, 135091242, 1112325268, 9296413365, 77991481271, 654495034497, 5420117473932 ]
[ "nonn", "base", "more" ]
A133865
[ 65537, 57395627, 122070312499, 56020344873707, 6266190914259137, 65106791321062950, 12132548193910223000, 50407811312994280000, 172048888780798200000, 1.666826190875451e+22, 3.5965174106571678e+22 ]
[ "nonn" ]
A095338
[ 0, 2, 12, 96, 1280, 30720, 1376256, 117440512, 19327352832, 6184752906240, 3870280929771520, 4755801206503244000, 1.151076830199476e+22, 5.500612479246563e+25, 5.199348164998597e+29, 9.735556609752802e+33, 3.615500148534971e+38 ]
[ "nonn", "easy" ]
A018008
[ 1, 3, 5, 11, 25, 55, 121, 270, 599, 1331, 2961, 6584, 14641, 32562, 72416, 161051, 358175, 796573, 1771561, 3939917, 8762296, 19487171, 43339081, 96385252, 214358881, 476729884, 1060237770, 2357947691, 5244028720, 11662615467, 25937424601 ]
[ "nonn" ]
A017371
[ 2097152, 612220032, 13492928512, 114415582592, 587068342272, 2207984167552, 6722988818432, 17565568854912, 40867559636992, 86812553324672, 171382426877952, 318547390056832, 562949953421312 ]
[ "nonn", "easy" ]
A066567
[ 2, 8, 13, 63, 91, 100, 128, 185, 215, 221, 337, 400, 448, 456, 549, 551, 559, 681, 900, 1024, 1089, 1151, 1185, 1215, 1221, 1327, 1348, 1437, 1600, 1651, 1897, 2025, 2112, 2191, 2196, 2209, 2293, 2304, 2392, 2401, 2448, 2500, 2539, 2544, 2551, 2596, 2601 ]
[ "base", "nonn" ]
A127140
[ 1, -4, 1, -6, 0, 1, 4, -4, 0, 1, -10, 0, 0, 0, 1, 24, -6, -4, 0, 0, 1, -14, 0, 0, 0, 0, 0, 1, 0, 4, 0, -4, 0, 0, 0, 1, 9, 0, -6, 0, 0, 0, 0, 0, 1, 40, -10, 0, 0, -4, 0, 0, 0, 0, 1 ]
[ "tabl", "sign" ]
A037424
[ 1, 2, 3, 55, 73, 91, 117, 121, 127, 264, 288, 289, 290, 291, 294, 306, 327, 343, 487, 489, 541, 558, 697, 721, 727, 729, 733, 738, 1296, 1297, 1298, 1299, 1304, 1335, 1341, 1346, 1351, 1368, 1376, 1380, 1388, 1404, 1419, 1521, 1560, 1587, 1731 ]
[ "nonn", "base" ]
A264927
[ 1, 1, 4, 18, 81, 396, 1936, 9416, 45796, 234972, 1205604, 6188328, 31764496, 162249168, 828748944, 4224034452, 21529399441, 113085801048, 593996986944, 3126735424128, 16458794619136, 86717178000000, 456890625000000, 2407551579000000, 12686416153856064, 66648950832253250, 350144800010358340, 1838080630013809000, 9648980656951106000, 50559912359694490000 ]
[ "nonn" ]
A206948
[ 0, 0, 0, 2, 19, 131, 791, 4446, 23913, 124892, 638878, 3218559, 16027375, 79093773, 387540260, 1887974063, 9154751912, 44221373872, 212931964415, 1022594028515, 4900116587043, 23437066655010, 111923110602497 ]
[ "nonn", "easy" ]
A212810
[ 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 1, 2 ]
[ "nonn" ]
A004311
[ 1, 12, 91, 560, 3060, 15504, 74613, 346104, 1562275, 6906900, 30045015, 129024480, 548354040, 2310789600, 9669554100, 40225345056, 166509721602, 686353797976, 2818953098830, 11541847896480, 47129212243960, 191991813933920, 780512175396135, 3167295784216200 ]
[ "nonn", "easy", "changed" ]
A259046
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 19, 15, 25, 16, 26, 17, 27, 18, 59, 78, 69, 88, 79, 98, 89, 108, 99, 509, 618, 609, 718, 709, 818, 809, 918, 909, 5009, 6018, 6009, 7018, 7009, 8018, 8009, 9018, 9009, 50009, 60018, 60009, 70018, 70009, 80018, 80009, 90018 ]
[ "nonn" ]
A359453
[ 0, 12, 192, 4032, 79872, 1600512, 31997952, 640008192, 12799967232, 256000131072, 5119999475712, 102400002097152, 2047999991611392, 40960000033554430, 819199999865782300, 16384000000536870000, 327679999997852500000, 6.55360000000859e+21, 1.3107199999996564e+23 ]
[ "nonn", "easy" ]
A091982
[ 1, 4181, 6721, 13201, 34561, 51841, 64681, 90061, 96049, 97921, 163081, 186961, 197209, 268801, 283361, 302101, 330929, 399001, 489601, 520801, 636641, 655201, 920577, 999941, 1034881, 1072513, 1081649, 1084201, 1106561, 1317121, 1346269, 1392169, 1533601 ]
[ "nonn", "easy" ]
A041787
[ 1, 2, 3, 23, 49, 366, 415, 1196, 48255, 97706, 145961, 1119433, 2384827, 17813222, 20198049, 58209320, 2348570849, 4755351018, 7103921867, 54482804087, 116069530041, 866969514374, 983039044415, 2833047603204, 114304943172575, 231442933948354 ]
[ "nonn", "frac", "easy" ]
A226986
[ 3, 251, 409, 647, 1031, 1669, 6469, 6679, 12043, 18313, 18517, 31583, 31643, 32957, 33479, 33529, 37783, 39733, 40163, 44071, 58441, 67189, 68279, 83009, 83117, 83423, 87671, 90481, 96001, 98479, 112951, 120011, 130211, 149939, 152297, 155663, 156227, 158293 ]
[ "nonn" ]
A182865
[ 1, 1, 1, 2, 3, 3, 2, 4, 5, 5, 3, 6, 7, 6, 3, 8, 8, 9, 5, 9, 11, 11, 6, 12, 13, 13, 7, 14, 15, 15, 7, 15, 17, 15, 8, 18, 19, 18, 10, 20, 21, 21, 11, 20, 23, 23, 9, 24, 24, 24, 13, 26, 26, 25, 14, 27, 29, 29, 15, 30, 31, 28, 15, 30, 33, 33, 17, 33, 35, 35, 16, 36, 37, 36, 19, 35, 39, 39, 15, 40, 41, 41, 21, 40, 43, 42, 22, 44, 40, 42, 23, 45, 47, 45, 21, 48, 48, 44, 24 ]
[ "nonn", "easy" ]
A040024
[ 5, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2, 10, 2 ]
[ "nonn", "cofr", "easy" ]
A388166
[ 1, 2, 8, 2, 3, 6, 3, 1, 1, 5, 8, 5, 9, 4, 5, 5, 3, 9, 9, 0, 0, 0, 1, 4, 2, 8, 1, 8, 3, 7, 9, 4, 1, 1, 2, 5, 1, 0, 5, 7, 7, 5, 4, 2, 5, 2, 1, 6, 7, 3, 8, 5, 3, 9, 0, 5, 0, 3, 7, 3, 7, 8, 8, 2, 5, 4, 9, 0, 6, 0, 1, 3, 8, 2, 4, 1, 9, 3, 4, 9, 4, 5, 1, 6, 7, 2, 0 ]
[ "nonn", "cons" ]
A039532
[ 54, 76, 198, 220, 342, 364, 486, 508, 582, 594, 606, 618, 642, 648, 649, 650, 651, 653, 655, 656, 657, 658, 659, 666, 678, 690, 702, 714, 774, 796, 868, 880, 892, 904, 912, 913, 914, 915, 917, 919, 920, 921, 922, 923, 928, 952, 964, 976, 988, 1000 ]
[ "nonn", "base", "easy" ]
A193412
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 101, 202, 212, 303, 313, 323, 404, 414, 424, 434, 505, 515, 525, 535, 545, 606, 616, 626, 636, 646, 656, 707, 717, 727, 737, 747, 757, 767, 808, 818, 828, 838, 848, 858, 868, 878, 909, 919, 929, 939, 949, 959, 969, 979, 989, 2012 ]
[ "nonn", "base", "fini" ]
A088168
[ 1, 3, 4, 39, 6, 15, 10, 12, 16, 22, 20, 18, 75, 38, 32, 24, 52, 44, 36, 297, 30, 575, 50, 40, 76, 399, 231, 48, 66, 615, 70, 98, 134, 88, 104, 441, 60, 80, 100, 84, 72, 108, 136, 1085, 90, 112, 96, 214, 152, 132, 585, 154, 156, 126, 174, 176, 196, 170, 186, 208 ]
[ "nonn" ]
A386773
[ 1, 12, 219, 4778, 115011, 2945982, 78764484, 2172877458, 61393035171, 1767592420152, 51672186100899, 1529632003964688, 45760966837725550, 1381338453812353300, 42020564167060636000, 1.2869024323968164e+21, 3.964567426897932e+22, 1.2277730195721685e+24 ]
[ "nonn" ]
A001623
[ 1, 4, 46, 1064, 35792, 1673792, 103443808, 8154999232, 798030483328, 94866122760704, 13460459852344064, 2246551018310998000, 435626600453967900000, 9.710840668948931e+22, 2.4658059294992103e+25, 7.075100096781965e+27, 2.2777100957067796e+30, 8.175554251485102e+32 ]
[ "nonn", "nice" ]
A031972
[ 0, 1, 6, 39, 340, 3905, 55986, 960799, 19173960, 435848049, 11111111110, 313842837671, 9726655034460, 328114698808273, 11966776581370170, 469172025408063600, 19676527011956855000, 878942778254232800000, 4.166090266796104e+22, 2.0883318587525533e+24 ]
[ "nonn", "easy" ]
A334662
[ 1, 3, 2, 4, 2, 8, 2, 8, 5, 8, 2, 15, 2, 8, 4, 9, 2, 17, 2, 11, 4, 8, 2, 27, 3, 8, 6, 11, 2, 22, 2, 11, 4, 8, 4, 33, 2, 8, 4, 23, 2, 22, 2, 11, 10, 8, 2, 30, 3, 11, 4, 11, 2, 26, 4, 23, 4, 8, 2, 43, 2, 8, 10, 12, 4, 22, 2, 11, 4, 22, 2, 57, 2, 8, 8, 11, 4, 22 ]
[ "nonn" ]
A262847
[ 900, 31050, 771084, 14762016, 290338650, 5692555116, 108936025308, 2071613294466, 39520865526156, 752512142640600, 14283775460054754, 271538648699660450, 5162251935414132000, 98038344198110170000 ]
[ "nonn" ]
A387915
[ 0, 0, 1, 1, 4, 4, 8, 4, 0, 8, 9, 1, 1, 3, 9, 1, 0, 7, 2, 7, 8, 4, 1, 1, 2, 4, 7, 5, 6, 8, 1, 2, 1, 5, 3, 6, 1, 7, 9, 5, 3, 6, 0, 4, 8, 0, 2, 6, 4, 4, 0, 8, 7, 8, 2, 7, 9, 5, 2, 1, 0, 3, 0, 4, 6, 5, 3, 2, 9, 7, 0, 0, 9, 1, 5, 5, 1, 2, 5, 7, 1, 7, 5, 0, 2, 7, 7, 6, 5, 5, 4, 7, 8, 8, 6, 0, 7, 8, 2, 5 ]
[ "nonn", "cons" ]
A064356
[ 3, 8, 15, 23, 34, 47, 62, 79, 97, 118, 141, 166, 192, 221, 253, 285, 320, 357, 395, 436, 479, 524, 570, 621, 670, 724, 778, 835, 892, 955, 1018, 1082, 1149, 1217, 1289, 1363, 1436, 1513, 1591, 1673, 1754, 1842, 1927, 2016, 2107, 2200, 2294, 2394, 2491, 2591 ]
[ "nonn" ]
A148970
[ 1, 1, 3, 9, 31, 110, 413, 1586, 6338, 25587, 105668, 441742, 1869009, 7988512, 34452295, 149655845, 654683791, 2880468569, 12740749488, 56624461023, 252720799653, 1132300360975, 5091068882597, 22963600275420, 103884299000600, 471227976010791, 2142846539057306, 9766818079951710, 44610952963232570 ]
[ "nonn", "walk" ]
A318258
[ 0, 1, -125, 249250, -2886735625, 122209131374375, -14455143383196875000, 4.006210678487308e+24, -2.297417123000769e+30, 2.4850762607059056e+36, -4.71987870581142e+42 ]
[ "sign" ]
A282199
[ 1, 0, 101, 10, 10001, 100, 1010101, 111110, 100010111, 1011100, 10100110001, 1100010100, 1000101011101, 10110110110, 101011001001011, 11111000000110, 10001011011110100, 101101100011110, 1010011011101000100, 110000100111011000, 100010110100001110000 ]
[ "nonn", "easy" ]
A262615
[ 136, 244, 919, 1459, 2178, 6514, 58618, 76438, 89883, 157596, 63804, 313625, 2755907, 6586433, 8139850, 9057586, 144839908, 1043820406, 277668893, 756738746, 304162700, 344050075, 4370652168, 11346057072, 21914086555935084, 37878721692554420, 187864919457180830, 375609204308055100, 13397885590701080000, 40091536165423400000 ]
[ "nonn", "base" ]
A043807
[ 1, 2, 4, 8, 13, 26, 40, 80, 121, 242, 364, 728, 1093, 2186, 3280, 6560, 9841, 19682, 22143, 22145, 22146, 22147, 22159, 22160, 22161, 22163, 22170, 22172, 22173, 22174, 22177, 22178, 22182, 22183, 22285, 22286, 22290 ]
[ "nonn", "base" ]
A252384
[ 578, 897, 540, 1359, 555, 588, 1966, 647, 529, 651, 3020, 771, 632, 570, 785, 4682, 1067, 663, 616, 637, 904, 7109, 1496, 963, 744, 799, 764, 1051, 10880, 1928, 1341, 1091, 916, 984, 903, 1290, 16510, 2662, 1610, 1475, 1305, 1097, 1114, 1117, 1543 ]
[ "nonn", "tabl" ]
A379919
[ 1, 2, 4, 5, 10, 27, 94, 151, 245, 296, 349, 396, 435, 1835, 10235, 18708, 31637, 53519, 160958, 535529, 643427 ]
[ "nonn", "more" ]
A124184
[ 1, 8, 9, 25, 32, 49, 64, 81, 121, 125, 128, 169, 225, 243, 289, 343, 361, 441, 512, 529, 625, 729, 841, 961, 1000, 1024, 1089, 1225, 1331, 1369, 1521, 1681, 1849, 2025, 2048, 2187, 2197, 2209, 2401, 2601, 2744, 2809, 3025, 3249, 3481, 3721, 3969, 4096, 4225 ]
[ "nonn", "easy" ]
A050302
[ 1, 8, 1, 36, 8, 1, 148, 44, 8, 1, 498, 184, 44, 8, 1, 1590, 682, 192, 44, 8, 1, 4586, 2236, 718, 192, 44, 8, 1, 12644, 6822, 2420, 726, 192, 44, 8, 1, 32775, 19346, 7476, 2456, 726, 192, 44, 8, 1, 81901, 52177, 21646, 7660, 2464, 726, 192, 44, 8, 1, 196085 ]
[ "nonn", "tabl" ]
A138019
[ 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, -1 ]
[ "easy", "sign" ]
A092416
[ 1, 1, 3, 78, 19656, 61405344, 2863085569344, 2357871215948696600, 3.955791107512264e+25, 1.532554418447893e+34, 1.532553939064871e+44 ]
[ "nonn" ]
A269856
[ 0, 1, 2, 3, 4, 5, 8, 6, 7, 9, 16, 10, 32, 17, 11, 12, 64, 15, 128, 18, 13, 33, 256, 20, 14, 65, 19, 34, 512, 23, 1024, 24, 21, 129, 22, 30, 2048, 257, 35, 36, 4096, 27, 8192, 66, 25, 513, 16384, 40, 28, 29, 31, 130, 32768, 39, 26, 68, 37, 1025, 65536, 46, 131072, 2049, 67, 48, 38, 43, 262144, 258, 41, 45, 524288, 60 ]
[ "nonn" ]
A223429
[ 1088, 76384, 6256832, 522011152, 44494633876, 3786278496752, 325249041493488, 27818291732538560, 2394866308625232400, 205161525882369200000, 1.7674243382606574e+22, 1.5149282675845286e+24 ]
[ "nonn" ]