OFFSET
1,2
MATHEMATICA
With[{nn=20}, Rest[CoefficientList[Series[ArcTan[Exp[x]-Cos[x]], {x, 0, nn}], x] Range[0, nn]!]] (* Harvey P. Dale, Jan 01 2015 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved