OFFSET
1,2
COMMENTS
The inner function is cosec(x)*arctanh(x) = 1+ x^2/2 +11*x^4/40 +133*x^6/720 +36211*x^8/259200 +1226971*x^10/10886400 +...
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Values replaced by numerators. - R. J. Mathar, Dec 20 2011
STATUS
approved