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A009658 Expansion of tan(sin(sinh(x))). 0
1, 2, 8, -120, -12160, -750080, -36334464, 147613952, 499312189440, 118002014031872, 18886517107687424, 1095225249188249600, -831828929736605794304, -517984611085464701173760 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Tan[Sin[Sinh[x]]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Oct 05 2023 *)
CROSSREFS
Sequence in context: A284967 A064111 A112094 * A147794 A358152 A027530
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Previous Mathematica program replaced by Harvey P. Dale, Oct 05 2023
STATUS
approved

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Last modified April 16 08:27 EDT 2024. Contains 371698 sequences. (Running on oeis4.)