id:A140770 - OEIS Search Results

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A091137(n+1)/A091137(n).

+0
4

2, 6, 2, 30, 2, 42, 2, 30, 2, 66, 2, 2730, 2, 6, 2, 510, 2, 798, 2, 330, 2, 138, 2, 2730, 2, 6, 2, 870, 2, 14322, 2, 510, 2, 6, 2, 1919190, 2, 6, 2, 13530, 2, 1806, 2, 690, 2, 282, 2, 46410, 2, 66, 2, 1590, 2, 798, 2, 870, 2, 354, 2, 56786730, 2, 6, 2, 510, 2, 64722, 2, 30 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`2 alternated with denominators of Bernoulli numbers.` `It appears that this is identical to A027760. [From Daniel M. Rosenblum (DMRosenblum(AT)world.oberlin.edu), Sep 24 2008]`
	FORMULA	`a(2n)=2. a(2n+1)=A002445(n+1) .`
	CROSSREFS	`Sequence in context: A076743 A141056 A027760 this_sequence A141498 A144845 A122018` `Adjacent sequences: A140767 A140768 A140769 this_sequence A140771 A140772 A140773`
	KEYWORD	`nonn`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Jul 13 2008`
	EXTENSIONS	`Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 29 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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