OFFSET
0,2
MATHEMATICA
nn=27; Select[CoefficientList[Series[ArcSin[Sec[x]Tanh[x]], {x, 0, nn}], x]Range[0, nn]!, #!=0&] (* Harvey P. Dale, Jul 26 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved