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A009614 Expansion of sinh(tanh(log(1+x))). 0
0, 1, -1, 1, 0, -14, 150, -1154, 6272, -10016, -305280, 5160376, -49699056, 248457496, 1844013080, -69019386344, 1062420810240, -9790634309504, 3214679190912, 2104758733135744, -52208434879690240, 764746718991861376 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

LINKS

Table of n, a(n) for n=0..21.

MATHEMATICA

Sinh[ Tanh[ Log[ 1+x ] ] ]

CROSSREFS

Sequence in context: A032343 A222614 A019521 * A009802 A153598 A180347

Adjacent sequences:  A009611 A009612 A009613 * A009615 A009616 A009617

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 March 21 11:49 EDT 2019. Contains 321368 sequences. (Running on oeis4.)