OFFSET
0,2
EXAMPLE
1 + (3/2)*x + (9/4)*x^2 + (63/16)*x^3 + (999/128)*x^4 + (10773/640)*x^5 + (196911/5120)*x^6 + ...
MATHEMATICA
CoefficientList[Series[Exp[1-Sqrt[1-3x]], {x, 0, 20}], x]//Numerator (* Harvey P. Dale, Dec 27 2022 *)
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Dec 20 2008
STATUS
approved