Expansion of g.f. A(x) = 1/F(oo,x) where F(oo,x) is the limit of the process F(n,x) = (F(n-1,x)^(2^n) - 4^n*x^n)^(1/2^n) for n > 0, starting with F(0,x) = 1.

A361769

Expansion of g.f. A(x) = 1/F(oo,x) where F(oo,x) is the limit of the process F(n,x) = (F(n-1,x)^(2^n) - 4^n*x^n)^(1/2^n) for n > 0, starting with F(0,x) = 1.