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A139150
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Natural numbers of the form (n!+3)/3.
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22
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3, 9, 41, 241, 1681, 13441, 120961, 1209601, 13305601, 159667201, 2075673601, 29059430401, 435891456001, 6974263296001, 118562476032001, 2134124568576001, 40548366802944001, 810967336058880001
(list; graph; refs; listen; history; internal format)
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OFFSET
| 3,1
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EXAMPLE
| (2!+3)/3=5/3 is not an integer, a(1)=(3!+3)/3=3
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MATHEMATICA
| Table[(n! + 3)/3, {n, 3, 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: A159039 A074502 A109743 * A113271 A183306 A057724
Adjacent sequences: A139147 A139148 A139149 * A139151 A139152 A139153
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KEYWORD
| nonn
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Apr 11 2008
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