G.f. satisfies: A(x) = 1 + Sum_{n>=1} x^n/n! * d^n/dx^n x*A(x)^n.

A182264

G.f. satisfies: A(x) = 1 + Sum_{n>=1} x^n/n! * d^n/dx^n x*A(x)^n.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =54a(4) =1928a(5) =164650a(6) =32676492a(7) =14876772190

External references