a(n) = 16^n*[x^n]hypergeometric([3/2, -2*n], [3], -x).

A254633

a(n) = 16^n*[x^n]hypergeometric([3/2, -2*n], [3], -x).

Terms

    a(0) =1a(1) =16a(2) =480a(3) =17920a(4) =752640a(5) =34062336a(6) =1623638016a(7) =80408739840

External references