a(n) is the n-th sextic factorial number divided by 6.

A034788

a(n) is the n-th sextic factorial number divided by 6.

Terms

    a(0) =1a(1) =12a(2) =216a(3) =5184a(4) =155520a(5) =5598720a(6) =235146240a(7) =11287019520a(8) =609499054080

External references