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A009155 Expansion of cosh(sinh(x)*sin(x)). 0
1, 12, 1232, -187968, -743941888, 1067281001472, 11143403147251712, -105243085074533203968, -981733215490919764000768, 52944309012028493003521523712, -256259148179480526283367831830528 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..10.

MATHEMATICA

Cosh[ Sinh[ x ]*Sin[ x ] ] (* [ x^(4n) ] *)

CROSSREFS

Sequence in context: A080814 A078294 A317953 * A078296 A239164 A209176

Adjacent sequences:  A009152 A009153 A009154 * A009156 A009157 A009158

KEYWORD

sign

AUTHOR

R. H. Hardin

EXTENSIONS

Extended with signs by Olivier Gérard, Mar 15 1997

STATUS

approved

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Last modified May 25 08:26 EDT 2020. Contains 334585 sequences. (Running on oeis4.)