OFFSET
0,4
MATHEMATICA
With[{nn=30}, CoefficientList[Series[Exp[Tanh[x]]/Cosh[x], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Nov 13 2014 *)
CROSSREFS
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Prior Mathematica program replaced by Harvey P. Dale, Nov 13 2014
STATUS
approved