a(n) = 8^n * binomial(n * 3/2, n).

A358367

a(n) = 8^n * binomial(n * 3/2, n).

Terms

    a(0) =1a(1) =12a(2) =192a(3) =3360a(4) =61440a(5) =1153152a(6) =22020096a(7) =425677824a(8) =8304721920a(9) =163176499200

External references