A028918 - OEIS

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A028918

(3n+1)!/(4*(3n-1)).

3, 252, 113400, 141523200, 373621248000, 1788898535424000, 14050009097220096000, 168600109166641152000000, 2931618698189556350976000000, 70886540122223472566599680000000 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A158351 A025418 A075901 * A045824 A027860 A059947` `Adjacent sequences: A028915 A028916 A028917 * A028919 A028920 A028921`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.