OFFSET
0,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
MATHEMATICA
With[{nn=30}, CoefficientList[Series[Cosh[Tan[x]]/Exp[x], {x, 0, nn}], x] Range[ 0, nn]!] (* Harvey P. Dale, Apr 08 2014 *)
CROSSREFS
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Mathematica program replaced by Harvey P. Dale, Apr 08 2014
STATUS
approved