A009219 - OEIS

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A009219

Expansion of e.g.f.: exp(sinh(sin(x))).

1, 1, 1, 1, 1, -7, -47, -111, 1, 1073, 13409, 94337, 77441, -2853783, -19836879, -123530351, -535288319, 9169805409, 139742075329, 451648395649, -2263631905535, -48860758779943, -1157041164813423, -9373388534437103

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,6

LINKS

Table of n, a(n) for n=0..23.

MATHEMATICA

With[{nn=30}, CoefficientList[Series[Exp[Sinh[Sin[x]]], {x, 0, nn}], x] Range[ 0, nn]!] (* Harvey P. Dale, Oct 20 2019 *)

CROSSREFS

Sequence in context: A044490 A139916 A376246 * A348394 A158713 A142185

Adjacent sequences: A009216 A009217 A009218 * A009220 A009221 A009222

KEYWORD

sign,easy

AUTHOR

R. H. Hardin

EXTENSIONS

Extended with signs by Olivier Gérard, Mar 15 1997

Definition clarified and prior Mathematica program replaced by Harvey P. Dale, Oct 20 2019

STATUS

approved