OFFSET
0,6
MATHEMATICA
With[{nn=20}, CoefficientList[Series[Exp[ArcTan[x]-ArcSinh[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Nov 22 2013 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Definition clarified by Harvey P. Dale, Nov 22 2013
STATUS
approved