OFFSET
0,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..141
MATHEMATICA
With[{nmax = 120}, CoefficientList[Series[Cos[Sinh[x]*Sin[x]], {x, 0, nmax}], x]*Range[0, nmax]!][[1 ;; ;; 4]] (* G. C. Greubel, Jul 24 2018 *)
PROG
(PARI) x='x+O('x^50); v=Vec(serlaplace(cos(sinh(x)*sin(x)))); vector(#v\4, n, v[4*n-3]) \\ G. C. Greubel, Jul 24 2018
CROSSREFS
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
STATUS
approved