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A139151
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Natural numbers of the form (n!+4)/4.
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22
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7, 31, 181, 1261, 10081, 90721, 907201, 9979201, 119750401, 1556755201, 21794572801, 326918592001, 5230697472001, 88921857024001, 1600593426432001, 30411275102208001, 608225502044160001, 12772735542927360001
(list; graph; refs; listen; history; internal format)
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OFFSET
| 4,1
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MATHEMATICA
| Table[(n! + 4)/4, {n, 4, 30}]
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CROSSREFS
| Cf. A082672, A089085, A089130, A117141, A007749, A139056, A139057, A139058, A139059, A139060, A139061, A139061, A139062, A139063, A139064, A139065, A139066, A020458, A139068, A137390, A139070, A139071, A139072, A139073, A139074, A139075, A139148, A139149, A139150, A139151, A139152, A139153, A139154, A139155, A139156, A139157, A139158, A139158, A139159, A139160, A139161, A139162.
Sequence in context: A102239 A188233 A172634 * A139060 A155521 A201116
Adjacent sequences: A139148 A139149 A139150 * A139152 A139153 A139154
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KEYWORD
| nonn
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Apr 11 2008
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