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Search: id:A081562
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A081562 Binomial transform of expansion of exp(2cosh(x)), A000807. +0
2
1, 1, 3, 7, 27, 91, 423, 1807, 9747, 49651, 303183, 1777447, 12072987, 79587691, 593485623, 4327497727, 35069154147, 279393234211, 2440577314143, 21043100301847, 196825339400427, 1822706292362011, 18153886768953543 (list; graph; listen)
OFFSET

0,3

FORMULA

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

CROSSREFS

Cf. A081563.

Adjacent sequences: A081559 A081560 A081561 this_sequence A081563 A081564 A081565

Sequence in context: A056257 A066021 A098465 this_sequence A003083 A062795 A062363

KEYWORD

easy,nonn

AUTHOR

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

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.


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