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Search: id:A081557
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A081557 Binomial transform of expansion of exp(cosh(x)), A005046. +0
2
1, 1, 2, 4, 11, 31, 107, 379, 1556, 6556, 31007, 150349, 801341, 4373461, 25853102, 156297964, 1012382291, 6698486371, 47089993967, 337789490599, 2557480572656, 19738202807236, 159928950077327, 1319703681935929, 11382338060040761 (list; graph; listen)
OFFSET

0,3

FORMULA

E.g.f. exp(x)exp(cosh(x))/e =exp(cosh(x)+x-1).

CROSSREFS

Cf. A081558.

Sequence in context: A110140 A115625 A056323 this_sequence A154603 A063254 A123443

Adjacent sequences: A081554 A081555 A081556 this_sequence A081558 A081559 A081560

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Mar 22 2003

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


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