G.f. A(x) satisfies A(x) = 1 + Sum_{k>=1} k * x^k * A(k*x).

A385544

G.f. A(x) satisfies A(x) = 1 + Sum_{k>=1} k * x^k * A(k*x).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =10a(4) =47a(5) =309a(6) =2846a(7) =37021a(8) =681653a(9) =17809832a(10) =661559047a(11) =34979604911

External references