OFFSET
0,6
MATHEMATICA
With[{nn=30}, CoefficientList[Series[Exp[Tanh[Tan[x]]], {x, 0, nn}], x] Range[ 0, nn]!] (* Harvey P. Dale, Jun 08 2021 *)
CROSSREFS
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Previous Mathematica program replaced by Harvey P. Dale, Jun 08 2021
STATUS
approved