A087961 Satisfies f(x*f(x)) = exp(x), where f(x)=sum(n=0,infinity, a(n)*x^n/n!).

1, 1, -1, 10, -159, 3816, -125375, 5309088, -278224975, 17527766896, -1298909663199, 111339963135600, -10892621058454487, 1203078692663183064, -148666849777064966815, 20397978159874089501496

Offset: 0

Author

Paul D. Hanna, Sep 18 2003

Keywords

• sign

Examples

			f(x) = 1 +1x -1x^2/2! +10x^3/3! -159x^4/4! +3816x^5/5! -125375x^6/6! +-...
where f(x*f(x)) = exp(x).