-392743957domain: ZAppears in sequencesG.f. A(x) satisfies: [x^n] A(x)^n = [x^n] A(x)^(n-1) for n>1 with A(0)=A'(0)=1.at n=12A158882Expansion of g.f.: 1/(Sum_{k >= 0} k!*x^k).at n=12A167894