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Search: id:A074115
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A074115 a(n) = n!/A000793(n). +0
2
1, 1, 2, 6, 20, 120, 420, 2688, 18144, 120960, 1330560, 7983360, 103783680, 1037836800, 12454041600, 149448499200, 1693749657600, 30487493836800, 289631191449600, 5792623828992000, 121645100408832000 (list; graph; listen)
OFFSET

1,3
CROSSREFS

Cf. A074859.

Sequence in context: A078566 A076323 A136795 this_sequence A013206 A073966 A013203

Adjacent sequences: A074112 A074113 A074114 this_sequence A074116 A074117 A074118

KEYWORD

nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 16 2002

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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