A090645 revision #1
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A090645
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a(n)=(-1)^(n+1)*2*(16^n-1)*B(2n) where B(k) denotes the k-th Bernoulli number.
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0
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0, 5, 17, 195, 4369, 158875, 8493081, 626349395, 60921163553, 7555181167755, 1163556514166185, 217865966280741955, 48740349457479955377, 12839917161220487631995, 3934089704476487908489529
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OFFSET
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0,2
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LINKS
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PROG
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(PARI) a(n)=(-1)^(n+1)*2*(16^n-1)*bernfrac(2*n)
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CROSSREFS
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KEYWORD
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nonn,new
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AUTHOR
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Benoit Cloitre (abcloitre(AT)wanadoo.fr), Dec 13 2003
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STATUS
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approved
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