Sextuple factorial numbers: a(n) = Product_{k=0..n-1} (6*k+2).
A047657
Sextuple factorial numbers: a(n) = Product_{k=0..n-1} (6*k+2).
Terms
- a(0) =1a(1) =2a(2) =16a(3) =224a(4) =4480a(5) =116480a(6) =3727360a(7) =141639680a(8) =6232145920a(9) =311607296000
External references
- oeis: A047657