OFFSET
0,4
MATHEMATICA
With[{nn=20}, CoefficientList[Series[Log[1+Sinh[x]/Cos[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Apr 19 2018 *)
CROSSREFS
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Definition clarified and prior Mathematica program replaced by Harvey P. Dale, Apr 19 2018
STATUS
approved