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A009829 Expansion of tanh(x)*exp(sinh(x)). 0
0, 1, 2, 1, 0, 21, 88, -27, -704, 6121, 50464, -153559, -2089216, 13064637, 173223040, -996722035, -16120801280, 114653539281, 2032098365952, -15657589156655, -311227464130560, 2678537704263781, 58380271774087168 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..22.

MATHEMATICA

Tanh[ x ]*Exp[ Sinh[ x ] ]

CROSSREFS

Sequence in context: A202700 A024026 A269946 * A202697 A268436 A249570

Adjacent sequences:  A009826 A009827 A009828 * A009830 A009831 A009832

KEYWORD

sign,easy

AUTHOR

R. H. Hardin

EXTENSIONS

Extended with signs by Olivier Gérard, Mar 15 1997

STATUS

approved

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Last modified December 7 22:50 EST 2021. Contains 349590 sequences. (Running on oeis4.)