id:A090645 - OEIS Search Results

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a(n)=(-1)^(n+1)*2*(16^n-1)*B(2n) where B(k) denotes the k-th Bernoulli number.

+0
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0, 5, 17, 195, 4369, 158875, 8493081, 626349395, 60921163553, 7555181167755, 1163556514166185, 217865966280741955, 48740349457479955377, 12839917161220487631995, 3934089704476487908489529 (list; graph; listen)

	OFFSET	`0,2`
	PROGRAM	`(PARI) a(n)=(-1)^(n+1)2(16^n-1)bernfrac(2n)`
	CROSSREFS	`Adjacent sequences: A090642 A090643 A090644 this_sequence A090646 A090647 A090648` `Sequence in context: A090886 A097490 A053678 this_sequence A096407 A062230 A103920`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 13 2003`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

AT&T Labs Research