Datasets:
christopher
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oeis

Dataset card Data Studio Files
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1999-12-11 03:00:00
2025-04-28 00:58:08
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A008201
Coordination sequence T6 for Zeolite Code MTW.
[ "1", "4", "12", "24", "39", "55", "85", "122", "156", "188", "225", "280", "347", "404", "463", "512", "585", "675", "763", "858", "946", "1008", "1109", "1235", "1349", "1493", "1594", "1650", "1790", "1963", "2131", "2300", "2379", "2460", "2669", "2883", "3053", "3230", "3361", "3472", "3694", "3924", "4144", "4384", "4527", "4609", "4852", "5184" ]
[ "nonn" ]
16
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008201.seq
2d1b3c0be719957070c223f1876ecaeb
A008202
Coordination sequence T7 for Zeolite Code MTW.
[ "1", "4", "12", "23", "38", "59", "83", "115", "155", "192", "233", "271", "328", "409", "475", "529", "572", "647", "772", "881", "941", "1006", "1085", "1220", "1397", "1485", "1553", "1676", "1796", "1961", "2152", "2251", "2374", "2525", "2635", "2833", "3094", "3236", "3338", "3505", "3660", "3931", "4214", "4319", "4448", "4702", "4886", "5116" ]
[ "nonn" ]
16
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008202.seq
3c9924c853ee4ed82071db73027abdba
A008203
Coordination sequence T1 for Zeolite Code NAT.
[ "1", "4", "9", "19", "35", "52", "78", "106", "139", "179", "213", "266", "318", "366", "439", "501", "553", "648", "718", "790", "895", "977", "1063", "1184", "1272", "1378", "1511", "1617", "1727", "1876", "1998", "2122", "2281", "2421", "2551", "2732", "2878", "3022", "3223", "3381", "3529", "3752", "3918", "4086", "4319", "4497", "4679", "4928" ]
[ "nonn" ]
16
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008203.seq
89b2dc5fa5f5030bd4c6f5232806d77f
A008204
Coordination sequence T2 for Zeolite Code NAT.
[ "1", "4", "8", "18", "36", "56", "66", "116", "140", "154", "232", "264", "294", "392", "432", "478", "588", "620", "718", "816", "868", "962", "1112", "1140", "1278", "1396", "1500", "1594", "1772", "1832", "2010", "2140", "2268", "2382", "2628", "2672", "2878", "3056", "3208", "3334", "3620", "3668", "3942", "4120", "4284", "4458", "4784", "4828" ]
[ "nonn" ]
16
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008204.seq
69f1a10035d3d97f8f6fd0027b3f6e00
A008205
Coordination sequence T1 for Zeolite Code NES.
[ "1", "4", "11", "21", "36", "58", "89", "123", "157", "187", "237", "298", "355", "418", "476", "539", "627", "718", "793", "878", "975", "1086", "1200", "1310", "1405", "1511", "1656", "1794", "1935", "2063", "2196", "2354", "2517", "2685", "2836", "2996", "3176", "3359", "3553", "3731", "3916", "4132", "4331", "4538", "4759", "4955", "5190", "5433" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008205.seq
d58cac7bc0b111210aa4f1ba97231a88
A008206
Coordination sequence T2 for Zeolite Code NES.
[ "1", "4", "12", "22", "38", "57", "86", "118", "152", "196", "245", "297", "346", "409", "485", "556", "630", "703", "789", "886", "994", "1078", "1170", "1298", "1428", "1537", "1654", "1783", "1914", "2079", "2211", "2349", "2513", "2674", "2843", "3001", "3176", "3364", "3548", "3724", "3917", "4138", "4342", "4535", "4744", "4959", "5200", "5448" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008206.seq
39102e1acd45afe8bb530c1419a2a48e
A008207
Coordination sequence T3 for Zeolite Code NES.
[ "1", "4", "12", "20", "34", "57", "88", "125", "158", "192", "224", "292", "371", "421", "471", "537", "621", "714", "811", "883", "951", "1081", "1223", "1307", "1393", "1519", "1644", "1804", "1943", "2052", "2187", "2357", "2529", "2676", "2836", "2998", "3176", "3364", "3534", "3745", "3935", "4106", "4330", "4546", "4746", "4984", "5184", "5395" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008207.seq
c386396b998f6c5d9c315bb88591c39e
A008208
Coordination sequence T4 for Zeolite Code NES.
[ "1", "4", "12", "20", "31", "57", "84", "118", "150", "187", "237", "287", "364", "409", "459", "568", "620", "693", "810", "884", "960", "1084", "1183", "1277", "1433", "1545", "1627", "1789", "1942", "2045", "2203", "2348", "2504", "2691", "2843", "2996", "3153", "3362", "3561", "3711", "3913", "4118", "4348", "4550", "4724", "4969", "5196", "5415" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008208.seq
70a45d2994719a3f3422ce53acafa262
A008209
Coordination sequence T5 for Zeolite Code NES.
[ "1", "4", "11", "24", "40", "63", "86", "114", "158", "208", "255", "299", "336", "402", "492", "570", "633", "693", "789", "910", "991", "1061", "1172", "1303", "1434", "1557", "1648", "1764", "1939", "2080", "2194", "2354", "2519", "2682", "2842", "2995", "3184", "3384", "3550", "3712", "3915", "4147", "4352", "4532", "4722", "4972", "5243", "5437" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008209.seq
fb24b6ad4f0fc48fe504a33e9443a9fb
A008210
Coordination sequence T6 for Zeolite Code NES.
[ "1", "4", "12", "22", "35", "55", "83", "119", "151", "184", "237", "303", "364", "417", "468", "534", "631", "731", "802", "877", "966", "1080", "1188", "1301", "1407", "1525", "1670", "1802", "1932", "2053", "2197", "2353", "2517", "2686", "2841", "2999", "3171", "3353", "3555", "3746", "3917", "4123", "4322", "4545", "4770", "4960", "5189", "5429" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008210.seq
cf991a859eff7b9d13927895864e6a7c
A008211
Coordination sequence T7 for Zeolite Code NES.
[ "1", "4", "12", "24", "32", "50", "88", "120", "152", "180", "226", "304", "374", "422", "460", "524", "628", "738", "812", "876", "954", "1072", "1208", "1282", "1404", "1540", "1662", "1804", "1932", "2054", "2184", "2362", "2512", "2678", "2856", "3006", "3158", "3338", "3556", "3764", "3930", "4084", "4326", "4560", "4764", "4982", "5160", "5410" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008211.seq
ccbef0e1c465d2905743458a8953cfd0
A008212
Coordination sequence T1 for Zeolite Code NON.
[ "1", "4", "12", "25", "42", "67", "95", "133", "174", "219", "273", "331", "388", "462", "545", "615", "691", "797", "884", "991", "1096", "1203", "1327", "1451", "1592", "1703", "1844", "2009", "2133", "2325", "2459", "2612", "2825", "2978", "3193", "3355", "3526", "3773", "3955", "4198", "4364", "4586", "4861", "5047", "5355", "5535", "5765", "6107" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008212.seq
87a7bd4f257275730f0e38842af224dc
A008213
Coordination sequence T2 for Zeolite Code NON.
[ "1", "4", "12", "24", "39", "64", "99", "130", "174", "217", "262", "321", "403", "464", "517", "621", "710", "779", "889", "972", "1079", "1218", "1345", "1428", "1555", "1718", "1862", "1990", "2149", "2271", "2464", "2658", "2802", "2961", "3140", "3352", "3602", "3754", "3921", "4134", "4407", "4620", "4834", "5044", "5242", "5576", "5876", "6031" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008213.seq
4b61c602dd659556e871b4f9616f595f
A008214
Coordination sequence T3 for Zeolite Code NON.
[ "1", "4", "11", "23", "44", "72", "95", "124", "170", "229", "279", "325", "386", "467", "542", "612", "693", "788", "910", "1004", "1081", "1187", "1320", "1466", "1581", "1726", "1836", "1961", "2191", "2329", "2466", "2615", "2770", "3028", "3189", "3348", "3512", "3730", "4037", "4171", "4378", "4574", "4799", "5182", "5312", "5527", "5759" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008214.seq
0492d5544f823ec85a2c55eb7ba38f11
A008215
Coordination sequence T4 for Zeolite Code NON.
[ "1", "4", "12", "24", "41", "65", "97", "133", "173", "212", "267", "337", "390", "463", "533", "610", "702", "795", "882", "972", "1097", "1221", "1328", "1454", "1565", "1699", "1873", "2001", "2123", "2288", "2479", "2651", "2806", "2967", "3143", "3374", "3586", "3763", "3940", "4134", "4399", "4641", "4828", "5036", "5267", "5577", "5853", "6075" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008215.seq
d1899eb44bcaaa62da263663ed79012a
A008216
Coordination sequence T5 for Zeolite Code NON.
[ "1", "4", "12", "24", "40", "62", "92", "142", "166", "214", "262", "324", "400", "460", "514", "604", "702", "794", "868", "986", "1062", "1216", "1340", "1442", "1540", "1704", "1846", "2000", "2144", "2262", "2418", "2688", "2792", "2970", "3112", "3322", "3604", "3770", "3928", "4118", "4326", "4682", "4806", "5052", "5210", "5500", "5914", "6040" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008216.seq
235166974a80870f449bec6fa0cd2dd1
A008217
a(n) = floor(n/4)*floor((n+1)/4).
[ "0", "0", "0", "0", "1", "1", "1", "2", "4", "4", "4", "6", "9", "9", "9", "12", "16", "16", "16", "20", "25", "25", "25", "30", "36", "36", "36", "42", "49", "49", "49", "56", "64", "64", "64", "72", "81", "81", "81", "90", "100", "100", "100", "110", "121", "121", "121", "132", "144", "144", "144", "156", "169", "169", "169", "182", "196", "196", "196", "210", "225", "225", "225", "240", "256", "256", "256", "272", "289", "289", "289", "306" ]
[ "nonn" ]
23
0
8
[ "A008133", "A008217" ]
null
N. J. A. Sloane.
2025-03-13T11:15:54
oeisdata/seq/A008/A008217.seq
9e91ea798b5f4114bf070b36a8e2fed0
A008218
Floor(n/4)*floor((n+1)/4)*floor((n+2)/4).
[ "0", "0", "0", "0", "1", "1", "2", "4", "8", "8", "12", "18", "27", "27", "36", "48", "64", "64", "80", "100", "125", "125", "150", "180", "216", "216", "252", "294", "343", "343", "392", "448", "512", "512", "576", "648", "729", "729", "810", "900", "1000", "1000", "1100", "1210", "1331", "1331", "1452", "1584", "1728", "1728", "1872", "2028", "2197", "2197", "2366", "2548", "2744", "2744", "2940", "3150" ]
[ "nonn" ]
13
0
7
null
null
N. J. A. Sloane.
2013-10-15T03:21:31
oeisdata/seq/A008/A008218.seq
4406a802cc66f478f5cc729f88a0c898
A008219
Coordination sequence T1 for Zeolite Code PAU.
[ "1", "4", "9", "18", "31", "47", "68", "91", "117", "151", "188", "225", "268", "317", "368", "425", "485", "542", "602", "676", "758", "829", "899", "987", "1081", "1169", "1266", "1372", "1470", "1568", "1683", "1806", "1918", "2032", "2163", "2295", "2422", "2562", "2710", "2846", "2985", "3147", "3312", "3459", "3612", "3788", "3961", "4128", "4313" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008219.seq
226e4273a7157eefdd191798d2dc5077
A008220
Coordination sequence T2 for Zeolite Code PAU.
[ "1", "4", "9", "18", "32", "49", "70", "95", "122", "154", "191", "230", "272", "318", "369", "424", "482", "544", "608", "675", "749", "827", "907", "992", "1080", "1170", "1265", "1365", "1469", "1576", "1686", "1801", "1919", "2039", "2164", "2293", "2426", "2564", "2705", "2848", "2993", "3143", "3300", "3460", "3623", "3791", "3960", "4131", "4309" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008220.seq
afcc726a0c421fe9445d832e72b5baaa
A008221
Coordination sequence T3 for Zeolite Code PAU.
[ "1", "4", "9", "18", "32", "49", "69", "94", "123", "153", "186", "225", "270", "318", "365", "417", "479", "543", "607", "676", "748", "823", "906", "995", "1083", "1170", "1265", "1368", "1469", "1573", "1686", "1800", "1915", "2038", "2167", "2295", "2421", "2555", "2701", "2847", "2993", "3146", "3300", "3455", "3620", "3793", "3963", "4132", "4311" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008221.seq
6b669a0af834a9e53bde224dbacdc24d
A008222
Coordination sequence T4 for Zeolite Code PAU.
[ "1", "4", "9", "18", "32", "48", "67", "92", "121", "152", "185", "223", "267", "314", "366", "422", "477", "538", "608", "676", "746", "826", "909", "992", "1078", "1172", "1270", "1363", "1463", "1576", "1687", "1797", "1916", "2038", "2159", "2287", "2425", "2563", "2697", "2842", "2996", "3143", "3295", "3461", "3626", "3788", "3958", "4136", "4313" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008222.seq
3d78fd87e97af90e65f89769ea883a7d
A008223
Coordination sequence T5 for Zeolite Code PAU.
[ "1", "4", "9", "18", "31", "47", "68", "92", "119", "152", "188", "226", "269", "315", "365", "422", "481", "542", "607", "675", "748", "826", "908", "993", "1080", "1170", "1264", "1362", "1466", "1574", "1684", "1799", "1916", "2035", "2160", "2289", "2423", "2563", "2704", "2846", "2992", "3142", "3298", "3460", "3625", "3792", "3960", "4131", "4307" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008223.seq
7f8927e4f57ee22836555d990c9ccc13
A008224
Coordination sequence T6 for Zeolite Code PAU.
[ "1", "4", "9", "17", "29", "45", "65", "89", "117", "149", "185", "225", "268", "314", "364", "418", "476", "538", "605", "676", "750", "827", "907", "991", "1078", "1169", "1264", "1362", "1464", "1570", "1680", "1794", "1913", "2036", "2161", "2289", "2421", "2557", "2697", "2842", "2992", "3145", "3301", "3460", "3622", "3788", "3958", "4132", "4309" ]
[ "nonn" ]
25
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008224.seq
18979570a82a65334e277618fda71e85
A008225
Coordination sequence T7 for Zeolite Code PAU.
[ "1", "4", "9", "17", "30", "47", "66", "88", "113", "144", "183", "227", "272", "316", "364", "419", "481", "548", "615", "677", "742", "821", "907", "992", "1076", "1166", "1263", "1365", "1474", "1583", "1685", "1790", "1911", "2039", "2164", "2290", "2422", "2559", "2701", "2852", "3003", "3145", "3292", "3455", "3623", "3788", "3956", "4130", "4307" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008225.seq
13ace783d26946ff866649f61655f7fa
A008226
Coordination sequence T8 for Zeolite Code PAU.
[ "1", "4", "9", "18", "32", "49", "69", "95", "123", "152", "188", "229", "272", "316", "370", "429", "480", "537", "609", "681", "749", "828", "911", "988", "1072", "1174", "1275", "1364", "1465", "1579", "1685", "1793", "1920", "2047", "2164", "2288", "2430", "2569", "2696", "2841", "3001", "3149", "3297", "3464", "3627", "3780", "3952", "4142", "4319" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008226.seq
664160131f26678ec5b260b4677745f7
A008227
Coordination sequence T1 for Zeolite Code PHI.
[ "1", "4", "9", "18", "32", "50", "71", "94", "122", "157", "195", "232", "273", "324", "378", "431", "488", "551", "620", "692", "765", "841", "923", "1011", "1101", "1194", "1290", "1389", "1496", "1608", "1720", "1832", "1950", "2079", "2210", "2338", "2469", "2609", "2757", "2905", "3053", "3204", "3362", "3529", "3696", "3863", "4034", "4210" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008227.seq
412c564d517b1e45b592b8782012f299
A008228
Coordination sequence T2 for Zeolite Code PHI.
[ "1", "4", "9", "18", "32", "48", "68", "96", "126", "155", "191", "234", "277", "322", "373", "429", "490", "555", "620", "688", "765", "845", "923", "1007", "1099", "1192", "1289", "1395", "1500", "1602", "1716", "1838", "1954", "2073", "2203", "2336", "2473", "2617", "2757", "2897", "3053", "3212", "3362", "3521", "3692", "3861", "4035", "4220" ]
[ "nonn" ]
22
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008228.seq
6dc92fb7f44aab87bf1abc4930183a0f
A008229
Coordination sequence T1 for Zeolite Code SGT.
[ "1", "4", "11", "22", "37", "62", "89", "120", "155", "202", "257", "316", "363", "408", "497", "597", "648", "719", "833", "934", "1030", "1142", "1231", "1349", "1505", "1607", "1729", "1904", "2015", "2155", "2345", "2472", "2626", "2825", "2968", "3163", "3387", "3504", "3700", "3986", "4119", "4305", "4598", "4757", "4980", "5286", "5434", "5680" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008229.seq
b324cd3f4138fd36452dd7fd62ae82df
A008230
Coordination sequence T2 for Zeolite Code SGT.
[ "1", "4", "11", "21", "37", "63", "86", "121", "152", "196", "258", "304", "360", "421", "488", "584", "649", "727", "802", "930", "1044", "1117", "1234", "1353", "1473", "1622", "1734", "1868", "2002", "2173", "2315", "2466", "2639", "2784", "2982", "3186", "3305", "3540", "3717", "3890", "4145", "4340", "4514", "4785", "4999", "5211", "5469", "5704" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008230.seq
a4da00e694f4df8ad4877dcd2cfc4c22
A008231
Coordination sequence T3 for Zeolite Code SGT.
[ "1", "4", "11", "23", "38", "62", "92", "113", "159", "210", "244", "306", "367", "421", "500", "572", "652", "725", "835", "912", "1022", "1152", "1220", "1346", "1494", "1596", "1744", "1868", "2014", "2162", "2326", "2462", "2612", "2836", "2968", "3122", "3398", "3492", "3702", "3958", "4080", "4332", "4596", "4714", "4990", "5280", "5430", "5646" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008231.seq
41567764ab06edd3b1750b281fb3f434
A008232
Coordination sequence T4 for Zeolite Code SGT.
[ "1", "4", "12", "24", "42", "61", "87", "128", "168", "205", "250", "300", "375", "446", "495", "563", "653", "757", "842", "916", "1026", "1132", "1256", "1378", "1466", "1614", "1753", "1868", "2044", "2169", "2302", "2495", "2648", "2811", "2992", "3153", "3338", "3554", "3746", "3906", "4134", "4359", "4541", "4794", "5013", "5197", "5485", "5738" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008232.seq
fd3be38503255d83291f26a6bf37e7c3
A008233
a(n) = floor(n/4)*floor((n+1)/4)*floor((n+2)/4)*floor((n+3)/4).
[ "0", "0", "0", "0", "1", "2", "4", "8", "16", "24", "36", "54", "81", "108", "144", "192", "256", "320", "400", "500", "625", "750", "900", "1080", "1296", "1512", "1764", "2058", "2401", "2744", "3136", "3584", "4096", "4608", "5184", "5832", "6561", "7290", "8100", "9000", "10000", "11000", "12100", "13310", "14641", "15972", "17424", "19008", "20736" ]
[ "nonn", "nice", "easy" ]
68
0
6
[ "A002620", "A006501", "A008233", "A008382", "A008881", "A009641", "A009694", "A009714", "A013662", "A354600" ]
null
N. J. A. Sloane
2023-01-25T13:22:31
oeisdata/seq/A008/A008233.seq
05e9419da5e0ee8e56924b0e090c62e0
A008234
Coordination sequence T1 for Zeolite Code STI.
[ "1", "4", "10", "20", "34", "57", "82", "103", "138", "181", "220", "261", "306", "369", "434", "487", "549", "619", "707", "793", "860", "949", "1046", "1146", "1255", "1351", "1458", "1570", "1695", "1836", "1947", "2066", "2207", "2357", "2518", "2650", "2786", "2951", "3130", "3309", "3454", "3617", "3811", "4002", "4201", "4380", "4559", "4763" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008234.seq
8df0dee4660d9b31270a45455f5dcd22
A008235
Coordination sequence T2 for Zeolite Code STI.
[ "1", "4", "11", "20", "36", "57", "78", "109", "140", "176", "222", "260", "310", "369", "426", "491", "550", "626", "707", "778", "870", "952", "1043", "1152", "1244", "1355", "1462", "1571", "1702", "1816", "1950", "2080", "2204", "2363", "2504", "2647", "2800", "2954", "3129", "3290", "3460", "3634", "3805", "4004", "4190", "4375", "4572", "4773" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008235.seq
ec420924dca57c08d8d00ee87e09ffd3
A008236
Coordination sequence T3 for Zeolite Code STI.
[ "1", "4", "9", "17", "35", "57", "77", "103", "138", "188", "225", "245", "299", "375", "446", "494", "525", "610", "722", "804", "867", "923", "1031", "1166", "1268", "1359", "1432", "1548", "1718", "1853", "1954", "2037", "2178", "2388", "2546", "2651", "2750", "2920", "3163", "3341", "3455", "3580", "3778", "4034", "4237", "4382", "4518", "4729" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008236.seq
a66344cb3e496fe93a7bb85574b2779c
A008237
Coordination sequence T4 for Zeolite Code STI.
[ "1", "4", "12", "18", "34", "58", "82", "112", "130", "172", "228", "264", "312", "362", "424", "498", "546", "630", "702", "772", "878", "952", "1048", "1148", "1232", "1362", "1464", "1578", "1698", "1802", "1962", "2084", "2202", "2360", "2492", "2656", "2804", "2958", "3128", "3274", "3466", "3642", "3806", "4004", "4174", "4380", "4584", "4776" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008237.seq
0e8a9843605fa1b791ed6cb12692f401
A008238
a(n) = floor(n/4)*ceiling(n/4).
[ "0", "0", "0", "0", "1", "2", "2", "2", "4", "6", "6", "6", "9", "12", "12", "12", "16", "20", "20", "20", "25", "30", "30", "30", "36", "42", "42", "42", "49", "56", "56", "56", "64", "72", "72", "72", "81", "90", "90", "90", "100", "110", "110", "110", "121", "132", "132", "132", "144", "156", "156", "156", "169", "182", "182" ]
[ "nonn", "easy" ]
18
0
6
[ "A002265", "A008238" ]
null
N. J. A. Sloane
2017-06-08T16:44:46
oeisdata/seq/A008/A008238.seq
553e8e5a4fbcccd9bc096cb46f25d88a
A008239
Coordination sequence T2 for Zeolite Code THO.
[ "1", "4", "9", "19", "33", "50", "74", "100", "129", "165", "201", "242", "290", "338", "393", "453", "513", "580", "650", "722", "801", "883", "969", "1060", "1154", "1252", "1353", "1459", "1569", "1682", "1802", "1924", "2049", "2181", "2313", "2450", "2594", "2738", "2889", "3045", "3201", "3364", "3530", "3698", "3873", "4051", "4233", "4420" ]
[ "nonn", "easy" ]
22
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008239.seq
ed22de65700ef8967165a7890c04fab2
A008240
Coordination sequence T3 for Zeolite Code THO.
[ "1", "4", "8", "18", "34", "50", "68", "100", "130", "160", "204", "246", "286", "338", "392", "448", "514", "580", "648", "726", "802", "878", "968", "1060", "1150", "1252", "1356", "1458", "1570", "1682", "1796", "1924", "2050", "2176", "2316", "2454", "2590", "2738", "2888", "3040", "3202", "3364", "3528", "3702", "3874", "4046", "4232", "4420" ]
[ "nonn", "easy" ]
22
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008240.seq
097e15611c1af6ec9c3aa444783efe77
A008241
Coordination sequence T1 for Zeolite Code TON.
[ "1", "4", "12", "24", "40", "61", "96", "133", "163", "204", "262", "326", "375", "427", "504", "595", "678", "744", "834", "944", "1042", "1152", "1258", "1372", "1494", "1619", "1776", "1907", "2023", "2170", "2350", "2540", "2651", "2789", "3008", "3217", "3402", "3530", "3722", "3978", "4182", "4390", "4566", "4786", "5038", "5269", "5552", "5745" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008241.seq
9733557b26faddf7ba0513d86dc305f7
A008242
Coordination sequence T2 for Zeolite Code TON.
[ "1", "4", "12", "23", "43", "66", "91", "128", "169", "214", "258", "306", "381", "450", "509", "574", "659", "771", "848", "924", "1038", "1148", "1274", "1373", "1491", "1636", "1743", "1902", "2051", "2188", "2340", "2466", "2689", "2864", "2991", "3170", "3343", "3611", "3776", "3910", "4166", "4362", "4626", "4813", "5007", "5296", "5461", "5768" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008242.seq
597073a4f988ce3fed6774a8673a616f
A008243
Coordination sequence T3 for Zeolite Code TON.
[ "1", "4", "12", "22", "41", "68", "97", "118", "166", "224", "258", "302", "371", "458", "521", "560", "660", "764", "860", "932", "1009", "1168", "1273", "1366", "1500", "1618", "1776", "1870", "2039", "2238", "2311", "2470", "2658", "2888", "3044", "3092", "3365", "3602", "3797", "3952", "4064", "4418", "4628", "4802", "5045", "5216", "5545", "5710" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008243.seq
dba56474a9a77bb2f477bb4b9129099a
A008244
Coordination sequence T4 for Zeolite Code TON.
[ "1", "4", "12", "22", "39", "66", "95", "130", "158", "208", "270", "320", "375", "428", "491", "612", "678", "742", "828", "918", "1077", "1176", "1233", "1354", "1466", "1668", "1806", "1862", "2007", "2174", "2387", "2552", "2610", "2774", "3002", "3256", "3439", "3508", "3657", "3966", "4256", "4426", "4536", "4686", "5035", "5418", "5555", "5678" ]
[ "nonn" ]
16
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008244.seq
af8756027fd127e73dd901413099d5cf
A008245
Coordination sequence T1 for Zeolite Code VFI.
[ "1", "4", "11", "20", "31", "44", "61", "82", "108", "139", "174", "209", "246", "287", "333", "382", "436", "493", "552", "611", "674", "743", "817", "895", "977", "1060", "1145", "1232", "1324", "1421", "1523", "1627", "1733", "1840", "1951", "2066", "2186", "2312", "2442", "2572", "2704", "2839", "2979", "3122", "3270", "3422", "3576", "3730", "3888" ]
[ "nonn" ]
20
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008245.seq
8f87791b5deff8de32015c434ce69568
A008246
Coordination sequence T2 for Zeolite Code VFI.
[ "1", "4", "10", "18", "30", "44", "60", "80", "106", "135", "168", "207", "248", "286", "330", "382", "436", "489", "548", "612", "676", "741", "816", "896", "974", "1055", "1142", "1231", "1324", "1420", "1522", "1626", "1730", "1837", "1948", "2064", "2188", "2313", "2440", "2572", "2704", "2835", "2974", "3121", "3272", "3420", "3572", "3730", "3886" ]
[ "nonn" ]
16
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008246.seq
b08c715b42e38043d55b4ac4ae4c0bea
A008247
Coordination sequence T1 for Zeolite Code YUG.
[ "1", "4", "11", "22", "39", "61", "88", "120", "155", "192", "241", "295", "344", "404", "473", "539", "613", "696", "776", "863", "961", "1057", "1159", "1270", "1378", "1495", "1624", "1746", "1875", "2017", "2154", "2301", "2457", "2605", "2765", "2939", "3103", "3274", "3463", "3641", "3826", "4031", "4224", "4423", "4639", "4847", "5064", "5295" ]
[ "nonn" ]
20
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008247.seq
09e54bb4d56ae37122bc157c31eaa23d
A008248
Coordination sequence T2 for Zeolite Code YUG.
[ "1", "4", "10", "22", "39", "61", "89", "118", "153", "198", "241", "287", "349", "409", "465", "541", "619", "688", "777", "871", "954", "1056", "1165", "1264", "1380", "1501", "1615", "1748", "1882", "2008", "2158", "2307", "2444", "2611", "2776", "2923", "3105", "3288", "3448", "3642", "3841", "4016", "4223", "4437", "4627", "4848", "5075", "5280" ]
[ "nonn" ]
19
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008248.seq
48d1fe9027937d47618561bae0d560a8
A008249
Coordination sequence T1 for Banalsite.
[ "1", "4", "11", "22", "42", "67", "97", "133", "176", "223", "277", "335", "400", "471", "547", "627", "716", "809", "907", "1011", "1122", "1237", "1359", "1485", "1618", "1757", "1901", "2049", "2206", "2367", "2533", "2705", "2884", "3067", "3257", "3451", "3652", "3859", "4071", "4287", "4512", "4741", "4975", "5215", "5462", "5713", "5971" ]
[ "nonn", "easy" ]
22
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008249.seq
6eacf164fa2e5b4b139c1d0a1df70915
A008250
Coordination sequence T2 for Banalsite.
[ "1", "4", "11", "24", "42", "65", "97", "135", "176", "221", "277", "337", "400", "469", "547", "629", "716", "807", "907", "1013", "1122", "1235", "1359", "1487", "1618", "1755", "1901", "2051", "2206", "2365", "2533", "2707", "2884", "3065", "3257", "3453", "3652", "3857", "4071", "4289", "4512", "4739", "4975", "5217", "5462", "5711", "5971" ]
[ "nonn", "easy" ]
23
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008250.seq
3e7ac7cf7cf19a63b0ab67e92a8a7301
A008251
Coordination sequence T1 for Cordierite.
[ "1", "4", "10", "24", "42", "58", "106", "136", "170", "216", "262", "356", "394", "448", "550", "606", "726", "788", "872", "1036", "1068", "1240", "1346", "1452", "1606", "1686", "1884", "2084", "2114", "2352", "2448", "2720", "2850", "2976", "3192", "3438", "3578", "3844", "3942", "4284", "4380", "4700", "4872", "5204", "5318", "5626", "5866" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008251.seq
c862745f7a86acc313f72788fd8b5274
A008252
Coordination sequence T2 for Cordierite.
[ "1", "4", "11", "23", "46", "70", "100", "131", "177", "230", "280", "332", "395", "471", "554", "620", "714", "797", "909", "998", "1120", "1226", "1353", "1453", "1618", "1736", "1906", "1995", "2195", "2336", "2540", "2646", "2861", "3011", "3268", "3374", "3642", "3771", "4071", "4194", "4502", "4648", "4961", "5083", "5456", "5600", "5976" ]
[ "nonn" ]
18
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008252.seq
27a6c4852f0ad65353b24894dbca2f26
A008253
Coordination sequence for diamond.
[ "1", "4", "12", "24", "42", "64", "92", "124", "162", "204", "252", "304", "362", "424", "492", "564", "642", "724", "812", "904", "1002", "1104", "1212", "1324", "1442", "1564", "1692", "1824", "1962", "2104", "2252", "2404", "2562", "2724", "2892", "3064", "3242", "3424", "3612", "3804", "4002", "4204", "4412", "4624", "4842", "5064", "5292", "5524" ]
[ "nonn", "easy" ]
36
0
2
[ "A007904", "A008253", "A047209" ]
null
N. J. A. Sloane, Ralf W. Grosse-Kunstleve
2022-05-31T11:37:57
oeisdata/seq/A008/A008253.seq
c3d5bf6c92cb14655a87aad9e7e2f0d6
A008254
Coordination sequence T1 for feldspar.
[ "1", "4", "10", "20", "38", "58", "80", "112", "144", "180", "226", "270", "320", "380", "436", "500", "574", "642", "720", "808", "888", "980", "1082", "1174", "1280", "1396", "1500", "1620", "1750", "1866", "2000", "2144", "2272", "2420", "2578", "2718", "2880", "3052", "3204", "3380", "3566", "3730", "3920", "4120", "4296", "4500", "4714", "4902" ]
[ "nonn", "easy" ]
23
0
2
null
null
Georg Thimm (mgeorg(AT)ntu.edu.sg) and Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008254.seq
0f55054925e9afe10f74a104038fc037
A008255
Coordination sequence T2 for feldspar.
[ "1", "4", "10", "22", "38", "56", "82", "112", "142", "182", "226", "268", "322", "380", "434", "502", "574", "640", "722", "808", "886", "982", "1082", "1172", "1282", "1396", "1498", "1622", "1750", "1864", "2002", "2144", "2270", "2422", "2578", "2716", "2882", "3052", "3202", "3382", "3566", "3728", "3922", "4120", "4294", "4502", "4714", "4900" ]
[ "nonn", "easy" ]
26
0
2
null
null
Georg Thimm (mgeorg(AT)ntu.edu.sg) and Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008255.seq
6a035f1ef9717838ed58d8450a2caebc
A008256
Coordination sequence T1 for Milarite.
[ "1", "4", "10", "22", "43", "69", "95", "123", "162", "215", "269", "319", "372", "435", "513", "597", "675", "754", "843", "943", "1052", "1162", "1268", "1381", "1507", "1640", "1776", "1912", "2052", "2204", "2362", "2520", "2682", "2854", "3034", "3216", "3399", "3585", "3782", "3992", "4202", "4411", "4623", "4842", "5077", "5319", "5555", "5791" ]
[ "nonn" ]
18
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008256.seq
4b4974a7444faff78763d2a46bbfa337
A008257
Coordination sequence T2 for Milarite.
[ "1", "4", "12", "22", "36", "58", "94", "136", "164", "194", "248", "320", "382", "440", "500", "568", "664", "760", "844", "936", "1030", "1134", "1268", "1384", "1498", "1618", "1758", "1898", "2048", "2184", "2344", "2504", "2680", "2830", "3014", "3190", "3390", "3572", "3776", "3950", "4178", "4384", "4624", "4828", "5060", "5260", "5540", "5772" ]
[ "nonn" ]
14
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008257.seq
9c46a514c6cc90879cbc701796959c7a
A008258
Coordination sequence T1 for Moganite.
[ "1", "4", "10", "24", "40", "64", "90", "120", "160", "200", "244", "300", "354", "412", "484", "552", "624", "712", "794", "880", "984", "1080", "1180", "1300", "1410", "1524", "1660", "1784", "1912", "2064", "2202", "2344", "2512", "2664", "2820", "3004", "3170", "3340", "3540", "3720", "3904", "4120", "4314", "4512", "4744", "4952", "5164", "5412" ]
[ "nonn", "easy" ]
19
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008258.seq
fdf7673972c4cb6c12d9a8bc605b99ed
A008259
Coordination sequence T2 for Moganite, also for BGB1.
[ "1", "4", "11", "24", "41", "62", "90", "122", "157", "200", "247", "296", "354", "416", "479", "552", "629", "706", "794", "886", "977", "1080", "1187", "1292", "1410", "1532", "1651", "1784", "1921", "2054", "2202", "2354", "2501", "2664", "2831", "2992", "3170", "3352", "3527", "3720", "3917", "4106", "4314", "4526", "4729", "4952", "5179", "5396" ]
[ "nonn", "easy" ]
36
0
2
null
null
Ralf W. Grosse-Kunstleve, David M. Teter (dmteter(AT)sandia.gov)
2024-05-10T22:16:51
oeisdata/seq/A008/A008259.seq
d50814dab3f9e15a0389e95bd5a6d825
A008260
Coordination sequence for Paracelsian.
[ "1", "4", "10", "21", "37", "57", "81", "109", "142", "180", "222", "268", "318", "373", "433", "497", "565", "637", "714", "796", "882", "972", "1066", "1165", "1269", "1377", "1489", "1605", "1726", "1852", "1982", "2116", "2254", "2397", "2545", "2697", "2853", "3013", "3178", "3348", "3522", "3700", "3882", "4069", "4261", "4457", "4657", "4861" ]
[ "nonn", "easy" ]
32
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008260.seq
342b5cf41ccea4d9c93f9824c0828d44
A008261
Coordination sequence for quartz.
[ "1", "4", "12", "30", "52", "80", "116", "156", "204", "258", "318", "384", "458", "536", "622", "714", "812", "916", "1028", "1144", "1268", "1398", "1534", "1676", "1826", "1980", "2142", "2310", "2484", "2664", "2852", "3044", "3244", "3450", "3662", "3880", "4106", "4336", "4574", "4818", "5068", "5324", "5588", "5856", "6132", "6414", "6702" ]
[ "nonn", "easy" ]
16
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008261.seq
78ebbfbe90331285a950b3606918d1bf
A008262
Coordination sequence T1 for Scapolite.
[ "1", "4", "11", "20", "40", "68", "93", "120", "157", "206", "254", "299", "355", "430", "495", "549", "633", "735", "813", "886", "995", "1111", "1207", "1306", "1434", "1573", "1687", "1798", "1949", "2114", "2243", "2377", "2552", "2727", "2879", "3036", "3224", "3426", "3604", "3766", "3977", "4212", "4397", "4578", "4819", "5067", "5270", "5478" ]
[ "nonn", "easy" ]
21
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008262.seq
35082aa7154349f9adc50321e0087326
A008263
Coordination sequence T2 for Scapolite.
[ "1", "4", "11", "26", "43", "58", "90", "132", "159", "196", "257", "308", "352", "418", "495", "568", "637", "712", "810", "910", "993", "1092", "1213", "1324", "1432", "1550", "1681", "1830", "1961", "2076", "2238", "2416", "2547", "2692", "2887", "3068", "3224", "3394", "3595", "3808", "3987", "4160", "4396", "4632", "4811", "5022", "5281", "5514" ]
[ "nonn", "easy" ]
20
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008263.seq
418c5328e2f2d6dbd4addc2d2864d9aa
A008264
Coordination sequence for tridymite, lonsdaleite, and wurtzite.
[ "1", "4", "12", "25", "44", "67", "96", "130", "170", "214", "264", "319", "380", "445", "516", "592", "674", "760", "852", "949", "1052", "1159", "1272", "1390", "1514", "1642", "1776", "1915", "2060", "2209", "2364", "2524", "2690", "2860", "3036", "3217", "3404", "3595", "3792", "3994", "4202", "4414", "4632", "4855", "5084", "5317", "5556", "5800" ]
[ "nonn", "easy", "nice" ]
69
0
2
[ "A008253", "A008264", "A008524", "A217511" ]
null
Ralf W. Grosse-Kunstleve
2025-01-08T09:32:46
oeisdata/seq/A008/A008264.seq
cae946b4683f8f5dab557e27b8e6a198
A008265
Coordination sequence T1 for Zeolite Code ATO.
[ "1", "4", "11", "22", "37", "59", "85", "114", "147", "184", "230", "280", "331", "386", "445", "515", "589", "662", "739", "820", "914", "1012", "1107", "1206", "1309", "1427", "1549", "1666", "1787", "1912", "2054", "2200", "2339", "2482", "2629", "2795", "2965", "3126", "3291", "3460", "3650", "3844", "4027", "4214", "4405", "4619", "4837", "5042" ]
[ "nonn", "easy" ]
21
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008265.seq
6465ff851732e675ceb2e42da416f869
A008266
Coordination sequence T1 for Zeolite Code GIS.
[ "1", "4", "9", "18", "32", "48", "67", "92", "120", "150", "185", "224", "266", "312", "361", "414", "472", "532", "595", "664", "736", "810", "889", "972", "1058", "1148", "1241", "1338", "1440", "1544", "1651", "1764", "1880", "1998", "2121", "2248", "2378", "2512", "2649", "2790", "2936", "3084", "3235", "3392", "3552", "3714", "3881", "4052", "4226" ]
[ "nonn", "easy" ]
22
0
2
null
null
Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008266.seq
50b38bc755baab81e2facd2844fee42b
A008267
Coordination sequence T1 for Coesite.
[ "1", "4", "10", "22", "47", "83", "125", "171", "215", "288", "349", "415", "518", "591", "674", "816", "904", "1002", "1177", "1271", "1388", "1617", "1710", "1840", "2112", "2204", "2358", "2684", "2769", "2939", "3314", "3391", "3581", "4023", "4084", "4287", "4791", "4833", "5054", "5633", "5655", "5893", "6533", "6526", "6788", "7513", "7479" ]
[ "nonn", "easy" ]
16
0
2
null
null
mgeorg(AT)ntu.edu.sg (Georg Thimm); Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008267.seq
f076b9e33fa064d8288a67d898dde319
A008268
Coordination sequence T2 for Coesite.
[ "1", "4", "10", "23", "47", "83", "127", "174", "221", "276", "356", "428", "494", "603", "698", "781", "912", "1035", "1131", "1289", "1435", "1542", "1735", "1903", "2014", "2245", "2435", "2556", "2817", "3032", "3160", "3459", "3694", "3824", "4166", "4426", "4551", "4937", "5222", "5345", "5771", "6083", "6204", "6675", "7004", "7125", "7645" ]
[ "nonn" ]
15
0
2
null
null
mgeorg(AT)ntu.edu.sg (Georg Thimm); Ralf W. Grosse-Kunstleve
2018-04-10T08:26:35
oeisdata/seq/A008/A008268.seq
5cbc5cd65a7d697fb9944c008b543bf7
A008269
Number of strings on n symbols in Stockhausen problem.
[ "1", "2", "9", "112", "2921", "126966", "8204497", "735944084", "87394386417", "13265365173706", "2504688393449081", "575664638548522392", "158222202503521622809", "51242608446417388426622", "19312113111034490954560641", "8379247307752508262094697596", "4146836850351947542340780899937" ]
[ "nonn" ]
35
0
2
[ "A000680", "A008269" ]
null
Lily Yen
2022-05-13T16:10:52
oeisdata/seq/A008/A008269.seq
00ee7134e01c4576ab53dd07c7bcfedb
A008270
Total length of strings on n symbols in Stockhausen problem.
[ "1", "20", "507", "19552", "1113485", "88725876", "9452410135", "1299140690912", "223938108997497", "47323772172058420", "12033854264863090451", "3625294706255832787200", "1276951433895343148472517" ]
[ "nonn" ]
12
1
2
null
null
Lily Yen
2018-03-09T03:37:33
oeisdata/seq/A008/A008270.seq
b76adc3bdf4f928ad5d290dbf6ae094c
A008271
Number of performances of n fragments in Stockhausen problem.
[ "0", "2", "114", "5844", "380900", "32817990", "3679720422", "524366318504", "92857556215944", "20037507147592650", "5180981746936701530", "1582222025035216228092", "563668692910591272692844", "231745357332413891454727694" ]
[ "nonn" ]
22
1
2
null
null
Lily Yen
2018-03-09T03:36:52
oeisdata/seq/A008/A008271.seq
ec0324a0e0d6833fb6311d5da6432379
A008272
Total length of performances of n fragments in Stockhausen problem.
[ "0", "10", "732", "47868", "3848320", "395925990", "51677715180", "8406604850392", "1673689684372128", "401132372917509090", "114061334769253037980", "37993391290097065722900", "14661377074205783294317152" ]
[ "nonn" ]
13
1
2
null
null
Lily Yen
2018-03-09T03:37:46
oeisdata/seq/A008/A008272.seq
afd7c0ed50f5bd29596b8da63b18f701
A008273
Number of performances of n fragments in Stockhausen problem.
[ "0", "2", "78", "2724", "125660", "8194710", "735861882", "87393619208", "13265357282424", "2504688304672170", "575664637463471270", "158222202489198948012", "51242608446214266856788", "19312113111031410277418174" ]
[ "nonn" ]
12
1
2
null
null
Lily Yen
2018-03-09T03:37:42
oeisdata/seq/A008/A008273.seq
5ac122dbc7484bcd4a9dcc7cb3046d7b
A008274
Total length of performances of n fragments in Stockhausen problem.
[ "0", "8", "408", "18768", "1106960", "88667160", "9451834728", "1299134553248", "223938037975968", "47323771284289320", "12033854252927528120", "3625294706083960689648", "1276951433892702568064688" ]
[ "nonn" ]
14
1
2
null
null
Lily Yen
2018-03-09T03:37:39
oeisdata/seq/A008/A008274.seq
c920cfe83c9a2e8af8c9d47bf15860fb
A008275
Triangle read by rows of Stirling numbers of first kind, s(n,k), n >= 1, 1 <= k <= n.
[ "1", "-1", "1", "2", "-3", "1", "-6", "11", "-6", "1", "24", "-50", "35", "-10", "1", "-120", "274", "-225", "85", "-15", "1", "720", "-1764", "1624", "-735", "175", "-21", "1", "-5040", "13068", "-13132", "6769", "-1960", "322", "-28", "1", "40320", "-109584", "118124", "-67284", "22449", "-4536", "546", "-36", "1", "-362880", "1026576", "-1172700", "723680", "-269325", "63273", "-9450", "870", "-45", "1" ]
[ "sign", "tabl", "nice", "core" ]
386
1
4
[ "A000142", "A000217", "A000914", "A000915", "A001303", "A008275", "A008276", "A008277", "A008278", "A039814", "A039815", "A039816", "A039817", "A048993", "A048994", "A053567", "A084938", "A087748", "A087755", "A094216", "A094262", "A121632", "A130534" ]
null
N. J. A. Sloane
2025-02-16T08:32:31
oeisdata/seq/A008/A008275.seq
b1a47327f31ee423ff10a74b8f16602f
A008276
Triangle of Stirling numbers of first kind, s(n, n-k+1), n >= 1, 1 <= k <= n. Also triangle T(n,k) giving coefficients in expansion of n!*binomial(x,n)/x in powers of x.
[ "1", "1", "-1", "1", "-3", "2", "1", "-6", "11", "-6", "1", "-10", "35", "-50", "24", "1", "-15", "85", "-225", "274", "-120", "1", "-21", "175", "-735", "1624", "-1764", "720", "1", "-28", "322", "-1960", "6769", "-13132", "13068", "-5040", "1", "-36", "546", "-4536", "22449", "-67284", "118124", "-109584", "40320", "1", "-45" ]
[ "sign", "tabl", "nice" ]
104
1
5
[ "A000045", "A000108", "A000110", "A000166", "A000204", "A003422", "A008275", "A008276", "A008277", "A048994", "A054654", "A054655", "A084938", "A094216", "A145324", "S2" ]
null
N. J. A. Sloane
2025-02-16T08:32:31
oeisdata/seq/A008/A008276.seq
dc5fb99cbffc9c5c454fa2d9ed7ad709
A008277
Triangle of Stirling numbers of the second kind, S2(n,k), n >= 1, 1 <= k <= n.
[ "1", "1", "1", "1", "3", "1", "1", "7", "6", "1", "1", "15", "25", "10", "1", "1", "31", "90", "65", "15", "1", "1", "63", "301", "350", "140", "21", "1", "1", "127", "966", "1701", "1050", "266", "28", "1", "1", "255", "3025", "7770", "6951", "2646", "462", "36", "1", "1", "511", "9330", "34105", "42525", "22827", "5880", "750", "45", "1", "1", "1023", "28501", "145750", "246730", "179487", "63987", "11880", "1155", "55", "1" ]
[ "nonn", "easy", "tabl", "nice", "core" ]
621
1
5
[ "A000110", "A000217", "A001296", "A001297", "A001298", "A007318", "A008275", "A008277", "A028246", "A038207", "A039810", "A039813", "A048993", "A048994", "A055154", "A086885", "A087107", "A087111", "A087127", "A094262", "A102661", "A127701", "A132440", "A138378", "A163353", "A173018", "A238385", "A256894", "A331155" ]
null
N. J. A. Sloane
2025-04-07T10:06:56
oeisdata/seq/A008/A008277.seq
b91dcefbba3879a602ff7aa3d7bc52a2
A008278
Reflected triangle of Stirling numbers of 2nd kind, S(n,n-k+1), n >= 1, 1 <= k <= n.
[ "1", "1", "1", "1", "3", "1", "1", "6", "7", "1", "1", "10", "25", "15", "1", "1", "15", "65", "90", "31", "1", "1", "21", "140", "350", "301", "63", "1", "1", "28", "266", "1050", "1701", "966", "127", "1", "1", "36", "462", "2646", "6951", "7770", "3025", "255", "1", "1", "45", "750", "5880", "22827", "42525", "34105", "9330", "511", "1" ]
[ "nonn", "tabl", "nice" ]
88
1
5
[ "A000045", "A000108", "A000110", "A000166", "A000204", "A003422", "A008276", "A008277", "A008278", "A048993", "A094262", "A213735" ]
null
N. J. A. Sloane
2025-02-16T08:32:31
oeisdata/seq/A008/A008278.seq
b268890b231d8f99710b95009e296016
A008279
Triangle T(n,k) = n!/(n-k)! (0 <= k <= n) read by rows, giving number of permutations of n things k at a time.
[ "1", "1", "1", "1", "2", "2", "1", "3", "6", "6", "1", "4", "12", "24", "24", "1", "5", "20", "60", "120", "120", "1", "6", "30", "120", "360", "720", "720", "1", "7", "42", "210", "840", "2520", "5040", "5040", "1", "8", "56", "336", "1680", "6720", "20160", "40320", "40320", "1", "9", "72", "504", "3024", "15120", "60480", "181440", "362880", "362880" ]
[ "nonn", "tabl", "nice", "easy", "core" ]
138
0
5
[ "A000012", "A000027", "A000142", "A000522", "A001497", "A001498", "A002378", "A007531", "A008279", "A019538", "A052762", "A090582", "A094587", "A136572", "A248727" ]
null
N. J. A. Sloane
2025-02-16T08:32:31
oeisdata/seq/A008/A008279.seq
e3765af1aa310533d33171ba7e7f7ee1
A008280
Boustrophedon version of triangle of Euler-Bernoulli or Entringer numbers read by rows.
[ "1", "0", "1", "1", "1", "0", "0", "1", "2", "2", "5", "5", "4", "2", "0", "0", "5", "10", "14", "16", "16", "61", "61", "56", "46", "32", "16", "0", "0", "61", "122", "178", "224", "256", "272", "272", "1385", "1385", "1324", "1202", "1024", "800", "544", "272", "0", "0", "1385", "2770", "4094", "5296", "6320", "7120", "7664", "7936", "7936" ]
[ "nonn", "tabl", "nice" ]
99
0
9
[ "A000657", "A008280", "A008281", "A058257", "A108040", "A227862" ]
null
N. J. A. Sloane
2024-12-03T10:54:32
oeisdata/seq/A008/A008280.seq
9b4397b3e5066c6c6e8abbbd83d47519
A008281
Triangle of Euler-Bernoulli or Entringer numbers read by rows.
[ "1", "0", "1", "0", "1", "1", "0", "1", "2", "2", "0", "2", "4", "5", "5", "0", "5", "10", "14", "16", "16", "0", "16", "32", "46", "56", "61", "61", "0", "61", "122", "178", "224", "256", "272", "272", "0", "272", "544", "800", "1024", "1202", "1324", "1385", "1385", "0", "1385", "2770", "4094", "5296", "6320", "7120", "7664", "7936", "7936" ]
[ "nonn", "tabl", "nice", "easy" ]
72
0
9
[ "A000111", "A008280", "A008281", "A108040" ]
null
N. J. A. Sloane
2023-10-27T20:58:30
oeisdata/seq/A008/A008281.seq
6ae033627492c1a49dd1f498ec51d24d
A008282
Triangle of Euler-Bernoulli or Entringer numbers read by rows: T(n,k) is the number of down-up permutations of n+1 starting with k+1.
[ "1", "1", "1", "1", "2", "2", "2", "4", "5", "5", "5", "10", "14", "16", "16", "16", "32", "46", "56", "61", "61", "61", "122", "178", "224", "256", "272", "272", "272", "544", "800", "1024", "1202", "1324", "1385", "1385", "1385", "2770", "4094", "5296", "6320", "7120", "7664", "7936", "7936", "7936", "15872", "23536", "30656", "36976", "42272", "46366", "49136", "50521", "50521" ]
[ "nonn", "tabl", "easy", "nice" ]
93
1
5
[ "A000111", "A008282", "A009766", "A010094", "A099959", "A236935" ]
null
N. J. A. Sloane
2024-08-03T16:44:37
oeisdata/seq/A008/A008282.seq
7f4fad85dfee9e8398186f887b08f1db
A008283
Read across rows of Euler-Bernoulli or Entringer triangle.
[ "1", "2", "4", "5", "10", "14", "16", "32", "46", "56", "61", "122", "178", "224", "256", "272", "544", "800", "1024", "1202", "1324", "1385", "2770", "4094", "5296", "6320", "7120", "7664", "7936", "15872", "23536", "30656", "36976", "42272", "46366", "49136", "50521", "101042", "150178", "196544", "238816", "275792", "306448", "329984", "345856" ]
[ "nonn", "tabl" ]
29
3
2
[ "A008282", "A008283" ]
null
N. J. A. Sloane.
2021-11-10T15:37:55
oeisdata/seq/A008/A008283.seq
4369123d69bf804f663c7233446f0e97
A008284
Triangle of partition numbers: T(n,k) = number of partitions of n in which the greatest part is k, 1 <= k <= n. Also number of partitions of n into k positive parts, 1 <= k <= n.
[ "1", "1", "1", "1", "1", "1", "1", "2", "1", "1", "1", "2", "2", "1", "1", "1", "3", "3", "2", "1", "1", "1", "3", "4", "3", "2", "1", "1", "1", "4", "5", "5", "3", "2", "1", "1", "1", "4", "7", "6", "5", "3", "2", "1", "1", "1", "5", "8", "9", "7", "5", "3", "2", "1", "1", "1", "5", "10", "11", "10", "7", "5", "3", "2", "1", "1", "1", "6", "12", "15", "13", "11", "7", "5", "3", "2", "1", "1", "1", "6", "14", "18", "18", "14", "11", "7", "5", "3", "2", "1", "1", "1", "7", "16", "23", "23", "20", "15", "11", "7", "5", "3", "2", "1", "1" ]
[ "nonn", "tabl", "nice", "easy", "look" ]
234
1
8
[ "A000041", "A004526", "A007042", "A008284", "A026810", "A026811", "A026812", "A026813", "A026814", "A026815", "A026816", "A026820", "A038497", "A038498", "A039805", "A039809", "A057427", "A058398", "A060016", "A069905", "A072233", "A104384", "A126988", "A380038" ]
null
N. J. A. Sloane
2025-02-16T08:32:31
oeisdata/seq/A008/A008284.seq
7f53da111c64aa89e57959b5a727fb30
A008285
Erroneous version of A342587.
[ "1", "1", "2", "1", "12", "6", "1", "86", "108", "24", "1", "840", "2310", "960", "120", "1", "11642", "65700", "42960", "9000", "720", "1", "227892", "2583126", "2510760", "712320", "90720", "5040", "1", "6285806", "142259628", "199424904", "71243760", "11481120", "987840", "40320" ]
[ "dead" ]
28
1
3
[ "A000142", "A001035", "A008285", "A055531", "A055532", "A055533", "A081064", "A342501" ]
null
N. J. A. Sloane
2021-03-16T08:31:16
oeisdata/seq/A008/A008285.seq
aee90ba65833063ceb22260b7132c652
A008286
Number of different parameter sets for orthogonal arrays with 2^n runs.
[ "1", "2", "5", "14", "61", "320", "3037" ]
[ "nonn", "nice" ]
8
0
2
[ "A008286", "A049082" ]
null
N. J. A. Sloane
2021-12-16T22:18:54
oeisdata/seq/A008/A008286.seq
d687889a993f1118a6f5e41c99c5a4f2
A008287
Triangle of quadrinomial coefficients, row n is the sequence of coefficients of (1 + x + x^2 + x^3)^n.
[ "1", "1", "1", "1", "1", "1", "2", "3", "4", "3", "2", "1", "1", "3", "6", "10", "12", "12", "10", "6", "3", "1", "1", "4", "10", "20", "31", "40", "44", "40", "31", "20", "10", "4", "1", "1", "5", "15", "35", "65", "101", "135", "155", "155", "135", "101", "65", "35", "15", "5", "1", "1", "6", "21", "56", "120", "216", "336", "456", "546", "580", "546", "456", "336", "216", "120", "56", "21", "6", "1" ]
[ "nonn", "tabf", "easy", "nice" ]
152
0
7
[ "A007318", "A008287", "A027907", "A177882" ]
null
N. J. A. Sloane
2025-02-07T09:25:43
oeisdata/seq/A008/A008287.seq
1e1c05fe72a7209d5d54217bc66b8186
A008288
Square array of Delannoy numbers D(i,j) (i >= 0, j >= 0) read by antidiagonals.
[ "1", "1", "1", "1", "3", "1", "1", "5", "5", "1", "1", "7", "13", "7", "1", "1", "9", "25", "25", "9", "1", "1", "11", "41", "63", "41", "11", "1", "1", "13", "61", "129", "129", "61", "13", "1", "1", "15", "85", "231", "321", "231", "85", "15", "1", "1", "17", "113", "377", "681", "681", "377", "113", "17", "1", "1", "19", "145", "575", "1289", "1683", "1289", "575", "145", "19", "1", "1", "21", "181", "833", "2241", "3653", "3653" ]
[ "nonn", "tabl", "nice", "easy", "changed" ]
524
0
5
[ "A000012", "A000073", "A000129", "A001844", "A001845", "A001846", "A001847", "A001848", "A001849", "A001850", "A002002", "A005408", "A005843", "A006498", "A008288", "A008417", "A008419", "A008421", "A026002", "A027618", "A035607", "A056594", "A059446", "A064861", "A079972", "A079973", "A089068", "A099463", "A100936", "A101164", "A101167", "A102413", "A108625", "A115139", "A116404", "A128966", "A131887", "A131935", "A142979", "A142992", "A143007", "A180668", "A180669", "A180670", "A190666", "A211312", "A211313", "A211314", "A211315" ]
null
N. J. A. Sloane
2025-04-18T13:01:40
oeisdata/seq/A008/A008288.seq
40a216ade1e9d91416ae0af932e66c65
A008289
Triangle read by rows: Q(n,m) = number of partitions of n into m distinct parts, n>=1, m>=1.
[ "1", "1", "1", "1", "1", "1", "1", "2", "1", "2", "1", "1", "3", "1", "1", "3", "2", "1", "4", "3", "1", "4", "4", "1", "1", "5", "5", "1", "1", "5", "7", "2", "1", "6", "8", "3", "1", "6", "10", "5", "1", "7", "12", "6", "1", "1", "7", "14", "9", "1", "1", "8", "16", "11", "2", "1", "8", "19", "15", "3", "1", "9", "21", "18", "5", "1", "9", "24", "23", "7", "1", "10", "27", "27", "10", "1", "1", "10", "30", "34", "13", "1", "1", "11", "33", "39", "18", "2", "1", "11", "37" ]
[ "nonn", "tabf", "easy", "nice", "look" ]
105
1
8
[ "A000009", "A008289", "A015723", "A030699", "A032020", "A060016", "A104382", "A117147", "A209318" ]
null
N. J. A. Sloane
2025-02-16T08:32:32
oeisdata/seq/A008/A008289.seq
bb753239fe61522b226d498bb9c4ab3e
A008290
Triangle T(n,k) of rencontres numbers (number of permutations of n elements with k fixed points).
[ "1", "0", "1", "1", "0", "1", "2", "3", "0", "1", "9", "8", "6", "0", "1", "44", "45", "20", "10", "0", "1", "265", "264", "135", "40", "15", "0", "1", "1854", "1855", "924", "315", "70", "21", "0", "1", "14833", "14832", "7420", "2464", "630", "112", "28", "0", "1", "133496", "133497", "66744", "22260", "5544", "1134", "168", "36", "0", "1", "1334961", "1334960", "667485", "222480", "55650", "11088", "1890", "240", "45", "0", "1" ]
[ "nonn", "tabl", "nice" ]
206
0
7
[ "A000012", "A000023", "A000142", "A000166", "A000240", "A000354", "A000387", "A000449", "A000475", "A008290", "A008291", "A055137", "A080955", "A092271", "A098558", "A098825", "A111492", "A129135", "A129136", "A129149", "A129153", "A129217", "A129218", "A129238", "A129255", "A133314", "A170942", "A211229", "A211603", "A238363", "A238385", "A281262", "A320582", "A335111" ]
null
N. J. A. Sloane
2025-01-05T19:51:34
oeisdata/seq/A008/A008290.seq
4f2abfd4c5a40beb0c0f23f0930f64d8
A008291
Triangle of rencontres numbers.
[ "1", "2", "3", "9", "8", "6", "44", "45", "20", "10", "265", "264", "135", "40", "15", "1854", "1855", "924", "315", "70", "21", "14833", "14832", "7420", "2464", "630", "112", "28", "133496", "133497", "66744", "22260", "5544", "1134", "168", "36", "1334961", "1334960", "667485", "222480", "55650", "11088", "1890", "240", "45", "14684570" ]
[ "nonn", "tabl", "nice", "easy" ]
47
2
2
[ "A000166", "A000217", "A000240", "A000387", "A000449", "A000475", "A007290", "A008290", "A008291", "A033312", "A060008", "A060836", "A170942", "A320582" ]
null
N. J. A. Sloane
2021-08-23T07:37:40
oeisdata/seq/A008/A008291.seq
f4f9eb81b5c6e259878dc5b669b7c53f
A008292
Triangle of Eulerian numbers T(n,k) (n >= 1, 1 <= k <= n) read by rows.
[ "1", "1", "1", "1", "4", "1", "1", "11", "11", "1", "1", "26", "66", "26", "1", "1", "57", "302", "302", "57", "1", "1", "120", "1191", "2416", "1191", "120", "1", "1", "247", "4293", "15619", "15619", "4293", "247", "1", "1", "502", "14608", "88234", "156190", "88234", "14608", "502", "1", "1", "1013", "47840", "455192", "1310354", "1310354", "455192", "47840", "1013", "1" ]
[ "nonn", "tabl", "nice", "eigen", "core", "look" ]
724
1
5
[ "A000295", "A000460", "A000498", "A000505", "A000514", "A001243", "A001244", "A008292", "A019538", "A028246", "A048993", "A048994", "A049019", "A086885", "A090582", "A129185", "A131758", "A139605", "A173018" ]
null
N. J. A. Sloane, Mar 15 1996
2025-02-16T08:32:32
oeisdata/seq/A008/A008292.seq
e2dac3ce11990e2c9c68c885a2c90314
A008293
Triangle of coefficients in expansion of D^n (tan x) in powers of tan x.
[ "1", "1", "1", "2", "2", "2", "8", "6", "16", "40", "24", "16", "136", "240", "120", "272", "1232", "1680", "720", "272", "3968", "12096", "13440", "5040", "7936", "56320", "129024", "120960", "40320", "7936", "176896", "814080", "1491840", "1209600", "362880", "353792", "3610112", "12207360", "18627840", "13305600", "3628800" ]
[ "nonn", "tabf", "easy", "nice" ]
61
0
4
[ "A000142", "A000182", "A000831", "A008293", "A008294", "A101343", "A155100" ]
null
N. J. A. Sloane
2024-07-19T21:45:04
oeisdata/seq/A008/A008293.seq
e888af1d23d0ec1e0ea2d8724172cb4e
A008294
Triangle of coefficients in expansion of D^n (sec x) / sec x in powers of tan x.
[ "1", "1", "1", "2", "5", "6", "5", "28", "24", "61", "180", "120", "61", "662", "1320", "720", "1385", "7266", "10920", "5040", "1385", "24568", "83664", "100800", "40320", "50521", "408360", "1023120", "1028160", "362880", "50521", "1326122", "6749040", "13335840", "11491200", "3628800", "2702765", "30974526", "113760240" ]
[ "easy", "nonn", "tabf", "nice" ]
42
0
4
[ "A008293", "A008294", "A104035" ]
null
N. J. A. Sloane
2021-12-16T22:32:33
oeisdata/seq/A008/A008294.seq
b1f0048fcfb4ba1a9c603c4ebff2d087
A008295
Triangle read by rows: T(n,k) is the number of partially labeled rooted trees with n vertices, k of which are labeled, 0 <= k <= n.
[ "1", "1", "1", "1", "2", "2", "2", "5", "9", "9", "4", "13", "34", "64", "64", "9", "35", "119", "326", "625", "625", "20", "95", "401", "1433", "4016", "7776", "7776", "48", "262", "1316", "5799", "21256", "60387", "117649", "117649", "115", "727", "4247", "22224", "100407", "373895", "1071904", "2097152", "2097152" ]
[ "nonn", "tabl", "nice" ]
37
0
5
[ "A000081", "A000107", "A000169", "A000444", "A000524", "A000525", "A008295", "A034799", "A064781", "A064782" ]
null
N. J. A. Sloane
2023-04-12T10:52:36
oeisdata/seq/A008/A008295.seq
c8c5517f8a5653f73db96e61bce7e3c9
A008296
Triangle of Lehmer-Comtet numbers of the first kind.
[ "1", "1", "1", "-1", "3", "1", "2", "-1", "6", "1", "-6", "0", "5", "10", "1", "24", "4", "-15", "25", "15", "1", "-120", "-28", "49", "-35", "70", "21", "1", "720", "188", "-196", "49", "0", "154", "28", "1", "-5040", "-1368", "944", "0", "-231", "252", "294", "36", "1", "40320", "11016", "-5340", "-820", "1365", "-987", "1050", "510", "45", "1", "-362880", "-98208", "34716", "9020", "-7645", "3003", "-1617", "2970", "825", "55", "1", "3628800" ]
[ "sign", "tabl", "easy", "nice" ]
79
1
5
[ "A000142", "A000217", "A005727", "A008296", "A039621", "A045406", "A059302", "A176118", "A185164", "A298511", "A345651", "A347276", "A354795" ]
null
N. J. A. Sloane
2022-06-11T03:45:53
oeisdata/seq/A008/A008296.seq
109a236fdb59ca4a5d4f4f7776bb089f
A008297
Triangle of Lah numbers.
[ "-1", "2", "1", "-6", "-6", "-1", "24", "36", "12", "1", "-120", "-240", "-120", "-20", "-1", "720", "1800", "1200", "300", "30", "1", "-5040", "-15120", "-12600", "-4200", "-630", "-42", "-1", "40320", "141120", "141120", "58800", "11760", "1176", "56", "1", "-362880", "-1451520", "-1693440", "-846720", "-211680", "-28224", "-2016", "-72", "-1", "3628800", "16329600", "21772800", "12700800" ]
[ "sign", "tabl", "nice", "easy" ]
206
1
2
[ "A000142", "A000262", "A001263", "A001286", "A001754", "A001755", "A001777", "A001778", "A002868", "A007318", "A008275", "A008277", "A008296", "A008297", "A048786", "A048993", "A066667", "A089231", "A094638", "A105278", "A111596", "A130534", "A130561", "A248045", "A271703", "A293125", "A360177" ]
null
N. J. A. Sloane
2024-12-21T00:21:23
oeisdata/seq/A008/A008297.seq
490174f80d0600fee48316cb49b4b7e4
A008298
Triangle of D'Arcais numbers.
[ "1", "3", "1", "8", "9", "1", "42", "59", "18", "1", "144", "450", "215", "30", "1", "1440", "3394", "2475", "565", "45", "1", "5760", "30912", "28294", "9345", "1225", "63", "1", "75600", "293292", "340116", "147889", "27720", "2338", "84", "1", "524160", "3032208", "4335596", "2341332", "579369", "69552", "4074", "108", "1", "6531840", "36290736", "57773700", "38049920", "11744775", "1857513", "154350", "6630", "135", "1" ]
[ "nonn", "tabl", "nice", "easy" ]
72
1
2
[ "A008298", "A038048", "A053529", "A059356", "A059357", "A075525", "A180563", "A210590" ]
null
N. J. A. Sloane
2021-06-13T07:13:05
oeisdata/seq/A008/A008298.seq
457bd0af4df5ff81c44a35f53b4b7f73
A008299
Triangle T(n,k) of associated Stirling numbers of second kind, n >= 2, 1 <= k <= floor(n/2).
[ "1", "1", "1", "3", "1", "10", "1", "25", "15", "1", "56", "105", "1", "119", "490", "105", "1", "246", "1918", "1260", "1", "501", "6825", "9450", "945", "1", "1012", "22935", "56980", "17325", "1", "2035", "74316", "302995", "190575", "10395", "1", "4082", "235092", "1487200", "1636635", "270270", "1", "8177", "731731", "6914908", "12122110" ]
[ "nonn", "tabf", "nice", "easy" ]
165
2
4
[ "A000247", "A000296", "A000478", "A008299", "A058844", "A059022", "A059023", "A059024", "A059025", "A134991", "A137375", "A200091", "A259877", "A269939", "A340556" ]
null
N. J. A. Sloane
2025-02-16T08:32:32
oeisdata/seq/A008/A008299.seq
aa3b397d30c4bb44dd86fd2ad25ddafe
A008300
Triangle read by rows: T(n,k) (n >= 0, 0 <= k <= n) gives number of {0,1} n X n matrices with all row and column sums equal to k.
[ "1", "1", "1", "1", "2", "1", "1", "6", "6", "1", "1", "24", "90", "24", "1", "1", "120", "2040", "2040", "120", "1", "1", "720", "67950", "297200", "67950", "720", "1", "1", "5040", "3110940", "68938800", "68938800", "3110940", "5040", "1", "1", "40320", "187530840", "24046189440", "116963796250", "24046189440", "187530840", "40320", "1", "1", "362880", "14398171200", "12025780892160", "315031400802720", "315031400802720", "12025780892160", "14398171200", "362880", "1" ]
[ "tabl", "nonn", "nice" ]
65
0
5
[ "A000142", "A001499", "A001501", "A008300", "A058527", "A058528", "A067209", "A075754", "A133687", "A172534", "A172535", "A172536", "A172537", "A172538", "A172540", "A172541", "A172544", "A257493", "A260340", "A333157", "A364068" ]
null
N. J. A. Sloane
2023-07-04T08:41:42
oeisdata/seq/A008/A008300.seq
4c88f061db08f24423c25b1b5d519246