OFFSET
0,4
MATHEMATICA
With[{nn=30}, CoefficientList[Series[Exp[x/Cosh[x]], {x, 0, nn}], x] Range[ 0, nn]!] (* Harvey P. Dale, Jan 26 2016 *)
PROG
(PARI)
N=33; x='x+O('x^N);
egf=exp(x*1/cosh(x));
Vec(serlaplace(egf))
/* Joerg Arndt, Sep 15 2012 */
CROSSREFS
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
STATUS
approved