OFFSET
0,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..239
MATHEMATICA
With[{nmax = 50}, CoefficientList[Series[Sin[x]*Sin[Tanh[x]], {x, 0, nmax}], x]*Range[0, nmax]!][[1 ;; ;; 2]] (* G. C. Greubel, Jan 20 2018 *)
PROG
(PARI) x='x+O('x^50); v=Vec(serlaplace(sin(x)*sin(tanh(x)))); concat([0], vector(#v\2, n, v[2*n-1])) \\ G. C. Greubel, Jan 20 2018
CROSSREFS
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
STATUS
approved