G.f. satisfies: A(x) = x*Sum{n>=0} A( n*x/(1+n*x) )^n.

A187736

G.f. satisfies: A(x) = x*Sum{n>=0} A( n*x/(1+n*x) )^n.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =30a(4) =372a(5) =6865a(6) =180337a(7) =6664746a(8) =347126163a(9) =25621940636

External references