id:A083009 - OEIS Search Results

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a(n)=sum(k=0,n-1,5^k*B(k)*C(n,k)) where B(k) is the k-th Bernoulli number and C(n,k)=binomial(n,k).

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0, 1, -4, 6, 16, -74, -264, 1946, 9056, -88434, -512024, 6154786, 42716496, -607884394, -4920817384, 80834386026, 747784582336, -13923204233954, -144898927180344, 3015393801263666, 34867899296006576, -801997872697905114, -10201104981227536904, 256982712667627683706 (list; graph; listen)

	OFFSET	`1,3`
	PROGRAM	`(PARI) a(n)=sum(k=0, n-1, 5^kbinomial(n, k)bernfrac(k))`
	CROSSREFS	`Cf. A001469.` `Sequence in context: A032295 A072279 A038236 this_sequence A127416 A105271 A024305` `Adjacent sequences: A083006 A083007 A083008 this_sequence A083010 A083011 A083012`
	KEYWORD	`sign`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 31 2003`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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