OFFSET
0,2
EXAMPLE
1/3*x^2+1/15*x^4+193/5670*x^6+25/1134*x^8+4933/311850*x^10+4401359/364864500*x^12+...
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Dec 18 2011
STATUS
approved