495964

Appears in sequences

• Triangle, read by rows, where the g.f. of row n, R_n(x), is a polynomial of degree n that satisfies: [x^k] R_{n+1}(x) = [x^k] (1 + x*R_n(x))^(n+1) for k=0..n+1, with R_0(x) = 1.at n=34A108990
• Second diagonal of triangle A108990, in which the g.f. of row n, R_n(x), satisfies: [x^k] R_{n+1}(x) = [x^k] (1 + x*R_n(x))^(n+1) for k=0..n+1.at n=6A108992
• G.f. A(x) satisfies 1 - x = Sum_{n=-oo..+oo} (x^(2*n) - A(x))^n.at n=17A377249