7-fold factorials: a(n) = Product_{k=0..n-1} (7*k+1).
A045754
7-fold factorials: a(n) = Product_{k=0..n-1} (7*k+1).
Terms
- a(0) =1a(1) =1a(2) =8a(3) =120a(4) =2640a(5) =76560a(6) =2756160a(7) =118514880a(8) =5925744000a(9) =337767408000
External references
- oeis: A045754