OFFSET
0,5
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..100
MATHEMATICA
With[{nn=20}, CoefficientList[Series[Tan[Log[1+x]/Cosh[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, May 28 2013 *)
CROSSREFS
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Prior Mathematica program replaced by Harvey P. Dale, May 28 2013
STATUS
approved