OFFSET
0,3
MATHEMATICA
With[{nn=30}, CoefficientList[Series[Exp[x]/Cos[Tanh[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Mar 23 2019 *)
CROSSREFS
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Previous Mathematica program replaced by Harvey P. Dale, Mar 23 2019
STATUS
approved