a(0) = 1 and a(n) = (5*n)!/(5!*n!^5) for n > 0.
A322252
a(0) = 1 and a(n) = (5*n)!/(5!*n!^5) for n > 0.
Terms
- a(0) =1a(1) =1a(2) =945a(3) =1401400a(4) =2546168625
External references
- oeis: A322252
A322252
a(0) = 1 and a(n) = (5*n)!/(5!*n!^5) for n > 0.