A012542 cosh(sinh(x)*arcsin(x))=1+12/4!*x^4+240/6!*x^6+8400/8!*x^8...

1, 0, 12, 240, 8400, 549120, 53608896, 7360813824, 1377976654080, 339091656130560, 106266069932321792, 41339215216164073472, 19547389576904471367680, 11040327077609014366371840

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