OFFSET
0,4
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..100
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Cosh[ArcSin[x]-ArcTanh[x]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Nov 13 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved