A012917 sinh(arcsin(x) + sin(x)) = 2*x+8/3!*x^3+42/5!*x^5+1192/7!*x^7 ... .

2, 8, 42, 1192, 63954, 5076392, 615675322, 104080146632, 23400806440098, 6758267272643528, 2438041675354644298, 1074467739302301394024, 568047079307626755260018, 354831538774222730953869416

Offset

0,1

Links

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

Mathematica

With[{nn=30}, Take[CoefficientList[Series[Sinh[ArcSin[x]+Sin[x]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, May 25 2023 *)

Crossrefs

Sequence in context: A191479 A197935 A267619 * A050637 A349145 A188174

Adjacent sequences: A012914 A012915 A012916 * A012918 A012919 A012920

Keyword

nonn

Author

Patrick Demichel

Status

approved