a(n) = Product_{k=1..n-1} n!k, where n!k is k-tuple factorial of n.
A297707
a(n) = Product_{k=1..n-1} n!k, where n!k is k-tuple factorial of n.
Terms
- a(0) =1a(1) =2a(2) =18a(3) =768a(4) =90000a(5) =44789760a(6) =30494620800
External references
- oeis: A297707