a(n) = n-th quintic factorial number divided by 4.

A034301

a(n) = n-th quintic factorial number divided by 4.

Terms

    a(0) =1a(1) =9a(2) =126a(3) =2394a(4) =57456a(5) =1666224a(6) =56651616a(7) =2209413024a(8) =97214173056

External references