10701720

Appears in sequences

• G.f. satisfies: the coefficient of x^n in A(x)^n = 3^(n^2) for n>=0.at n=4A163966
• Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = 3*x + 6.at n=23A257626
• Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = 3*x + 6.at n=25A257626