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A012542 cosh(sinh(x)*arcsin(x))=1+12/4!*x^4+240/6!*x^6+8400/8!*x^8... 0
1, 0, 12, 240, 8400, 549120, 53608896, 7360813824, 1377976654080, 339091656130560, 106266069932321792, 41339215216164073472, 19547389576904471367680, 11040327077609014366371840 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..13.

MATHEMATICA

With[{nn=30}, Take[CoefficientList[Series[Cosh[Sinh[x]ArcSin[x]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Oct 20 2020 *)

CROSSREFS

Sequence in context: A091745 A012344 A282789 * A009166 A174556 A012349

Adjacent sequences:  A012539 A012540 A012541 * A012543 A012544 A012545

KEYWORD

nonn

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

STATUS

approved

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Last modified September 25 12:12 EDT 2022. Contains 356984 sequences. (Running on oeis4.)