G.f. A(x) satisfies A(x) = Sum_{k>=0} (k*x)^k * A(k*x).

A385585

G.f. A(x) satisfies A(x) = Sum_{k>=0} (k*x)^k * A(k*x).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =40a(4) =457a(5) =7101a(6) =148270a(7) =4206121a(8) =165267951a(9) =9117777074a(10) =709325010385

External references