G.f. A(x) satisfies: A( 3*A(x)^3 - 54*A(x)^4 ) = 3*x^3.

A369532

G.f. A(x) satisfies: A( 3*A(x)^3 - 54*A(x)^4 ) = 3*x^3.

Terms

    a(0) =1a(1) =6a(2) =108a(3) =2514a(4) =66456a(5) =1887624a(6) =56279088a(7) =1737120600a(8) =55031743440

External references