id:A094303 - OEIS Search Results

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a(1) = 1, a(2) = 2, a(n+1) = a(n) * sum of all previous terms up to a(n-1).

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1, 2, 2, 6, 30, 330, 13530, 5019630, 69777876630, 351229105131280530, 24509789089304573335878465330, 8608552999157278550998626549630446732052243030 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Conjecture: a(n)=A003686(n+1)-A003686(n) for n>=3. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 24 2007`
	CROSSREFS	`See A064847 for another version.` `Sequence in context: A067644 A097801 A052584 this_sequence A117394 A003308 A032185` `Adjacent sequences: A094300 A094301 A094302 this_sequence A094304 A094305 A094306`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 29 2004`
	EXTENSIONS	`More terms from Gareth McCaughan (gareth.mccaughan(AT)pobox.com), Jun 10 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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