G.f. A(x) = Sum_{n>=0} a(n)*x^n where a(n) = Sum_{k=0..n-1} [x^k] A(x)^(k*(n-k)) for n >= 1 with a(0) = 1.

A377098

G.f. A(x) = Sum_{n>=0} a(n)*x^n where a(n) = Sum_{k=0..n-1} [x^k] A(x)^(k*(n-k)) for n >= 1 with a(0) = 1.