Sextuple factorial numbers: Product_{k=0..n-1} (6*k+4).

A049308

Sextuple factorial numbers: Product_{k=0..n-1} (6*k+4).

Terms

    a(0) =1a(1) =4a(2) =40a(3) =640a(4) =14080a(5) =394240a(6) =13404160a(7) =536166400a(8) =24663654400

External references