a(n) = n-th quintic factorial number divided by 2.

A034323

a(n) = n-th quintic factorial number divided by 2.

Terms

    a(0) =1a(1) =7a(2) =84a(3) =1428a(4) =31416a(5) =848232a(6) =27143424a(7) =1004306688a(8) =42180880896

External references