A000336 - OEIS

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A000336

a(n) = a(n-1) a(n-2) a(n-3) a(n-4).

1, 2, 3, 4, 24, 576, 165888, 9172942848, 21035720123168587776, 18437563379178327736384102280592359424 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	MAPLE	`A000336 := proc(n) option remember; if n <=4 then n else A000336(n-1)A000336(n-2)A000336(n-3)*A000336(n-4); fi; end;`
	CROSSREFS	`Sequence in context: A115884 A171728 A010345 * A080613 A055006 A139050` `Adjacent sequences: A000333 A000334 A000335 * A000337 A000338 A000339`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 14:37 EST 2012. Contains 205930 sequences.