A013348 cosh(sin(x)-arcsin(x))=1+40/6!*x^6+896/8!*x^8+62304/10!*x^10...

1, 0, 0, 40, 896, 62304, 6528896, 950205568, 189104984064, 48968006626816, 16013733248841728, 6455144284204947456, 3144635341624935219200, 1821357143607530260848640, 1237121524622739656337752064

Offset

0,4

Links

Table of n, a(n) for n=0..14.

Mathematica

With[{nn=30}, Take[CoefficientList[Series[Cosh[Sin[x]-ArcSin[x]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, May 14 2026 *)

Crossrefs

Sequence in context: A271030 A013350 A013346 * A013349 A140220 A130610

Adjacent sequences: A013345 A013346 A013347 * A013349 A013350 A013351

Keyword

nonn

Author

Patrick Demichel

Status

approved