id:A016101 - OEIS Search Results

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(n! - n)/2 for even n.

+0
1

0, 10, 357, 20156, 1814395, 239500794, 43589145593, 10461394943992, 3201186852863991, 1216451004088319990, 562000363888803839989, 310224200866619719679988, 201645730563302817791999987 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`George E. Andrews, Number Theory, Dover Publ., NY 1971, p. 39.`
	MATHEMATICA	`Table[(n! - n)/2, {n, 2, 30, 2}]`
	CROSSREFS	`Sequence in context: A029698 A060704 A132093 this_sequence A112694 A079914 A051790` `Adjacent sequences: A016098 A016099 A016100 this_sequence A016102 A016103 A016104`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com)`

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Last modified December 3 16:57 EST 2008. Contains 151279 sequences.

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