OFFSET
3,1
MATHEMATICA
With[{nn=40}, Take[CoefficientList[Series[ArcTan[Sin[x]-Sinh[x]], {x, 0, nn}], x] Range[0, nn-1]!, {4, -1, 2}]] (* Harvey P. Dale, Oct 11 2012 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
More terms from Harvey P. Dale, Oct 11 2012
STATUS
approved