a(n) = 8^n * P(3*n, n), where P(n, x) is n-th Legendre polynomial.

A349113

a(n) = 8^n * P(3*n, n), where P(n, x) is n-th Legendre polynomial.

Terms

    a(0) =1a(1) =8a(2) =40636a(3) =748832256

External references