OFFSET
0,3
MATHEMATICA
With[{nn=20}, CoefficientList[Series[Log[Sech[x]+Sinh[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, May 16 2014 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Definition clarified and zero prepended by Harvey P. Dale, May 16 2014
STATUS
approved