OFFSET
0,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..250
MATHEMATICA
With[{nmax = 62}, CoefficientList[Series[x*Cos[Sin[x]], {x, 0, nmax}], x]*Range[0, nmax - 1]!][[2 ;; ;; 2]] (* G. C. Greubel, Jul 23 2018 *)
PROG
(PARI) x='x+O('x^60); v=Vec(serlaplace(x*cos(sin(x)))); vector((#v-1)\2 , n, v[2*n-1]) \\ G. C. Greubel, Jul 23 2018
CROSSREFS
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
STATUS
approved