a(n) = Product_{k=0..n-1} (3*n+2*k).

A384165

a(n) = Product_{k=0..n-1} (3*n+2*k).

Terms

    a(0) =1a(1) =3a(2) =48a(3) =1287a(4) =48384a(5) =2340135a(6) =138378240a(7) =9672183675a(8) =780151357440

External references