id:A090647 - OEIS Search Results

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a(n)=(-1)^(n+1)*(7/8)*(49^n-1)*B(2n) where B(k) denotes the k-th Bernoulli number.

+0
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0, 7, 70, 2451, 168140, 18724685, 3065490210, 692352720199, 206231512032280, 78326336951247393, 36942519649032690350, 21183831880266815272667, 14513757566643671668200420, 11709262576429836293006370421 (list; graph; listen)

	OFFSET	`0,2`
	PROGRAM	`(PARI) a(n)=(-1)^(n+1)(7/8)(49^n-1)bernfrac(2n)`
	CROSSREFS	`Sequence in context: A001669 A051604 A097630 this_sequence A111462 A045713 A090155` `Adjacent sequences: A090644 A090645 A090646 this_sequence A090648 A090649 A090650`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 13 2003`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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