Sextuple factorial numbers: Product_{k=0..n-1} (6*k+1).
A008542
Sextuple factorial numbers: Product_{k=0..n-1} (6*k+1).
Terms
- a(0) =1a(1) =1a(2) =7a(3) =91a(4) =1729a(5) =43225a(6) =1339975a(7) =49579075a(8) =2131900225a(9) =104463111025
External references
- oeis: A008542