a(n) is the n-th sextic factorial number divided by 3.
A034723
a(n) is the n-th sextic factorial number divided by 3.
Terms
- a(0) =1a(1) =9a(2) =135a(3) =2835a(4) =76545a(5) =2525985a(6) =98513415a(7) =4433103675a(8) =226088287425
External references
- oeis: A034723