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A081561 Second binomial transform of expansion of exp(cosh(2x)). 2
1, 2, 8, 32, 176, 992, 6848, 48512, 398336, 3356672, 31751168, 307914752, 3282292736, 35827392512, 423577223168, 5121571684352, 66347485822976, 877984005619712, 12344359378485248, 177098976447168512 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

Binomial transform of A081560.

FORMULA

E.g.f. exp(2x)exp(cosh(2x))/e = exp(cosh(2x)+2x-1)

CROSSREFS

Cf. A081559, A081560.

Sequence in context: A030835 A137975 A051636 * A009753 A141202 A081358

Adjacent sequences:  A081558 A081559 A081560 * A081562 A081563 A081564

KEYWORD

easy,nonn

AUTHOR

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

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.