OFFSET
0,6
MATHEMATICA
With[{nn=30}, CoefficientList[Series[Exp[ArcTan[ArcTanh[x]]], {x, 0, nn}], x] Range[0, nn]!] (* Ray Chandler, Nov 28 2016 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved