G.f. A(x) satisfies: [x^n] A(x)^(n+1) = [x^n] (1 + x*A(x)^(3*n))^(n+1) for n >= 0.

A360336

G.f. A(x) satisfies: [x^n] A(x)^(n+1) = [x^n] (1 + x*A(x)^(3*n))^(n+1) for n >= 0.

Terms

    a(0) =1a(1) =1a(2) =6a(3) =99a(4) =2608a(5) =90800a(6) =3835458a(7) =187727106a(8) =10356030404a(9) =632391914502

External references