530095

Appears in sequences

• G.f. A(x) satisfies A(x) = 1 + x*(A(x)^2 - A(x)^3 + A(x)^4).at n=9A219537
• Triangle T(n,k), read by rows: coefficients for numerical integration near a singularity (n >= 0 and 0 <= k <= n).at n=36A324124