OFFSET
0,3
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..235
MATHEMATICA
Select[Numerator[CoefficientList[Series[ArcSin[1/Sin[x] - 1/Sinh[x]], {x, 0, 52}], x]], # != 0 &] (* G. C. Greubel, Nov 11 2016 *)
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Name edited by R. J. Mathar, Dec 20 2011
STATUS
approved