518444

Appears in sequences

• 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 + 2.at n=37A257610
• 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 + 2.at n=43A257610
• Expansion of (1 - x^2)/((1 - x^10)*(1 - x - x^2)).at n=29A349843