-15667573

Appears in sequences

• G.f. A(x) satisfies: A(x)^2 = A(x^2) + 4*x.at n=18A107087
• G.f. A(x) satisfies: A(x) = A(x^2)^(1/2) + 4*x.at n=36A107088
• G.f. A(x) satisfies 0 = f(A(x), A(x^2)) where f(u, v) = u * (u - 2) - (v + 2).at n=36A193527