Binomial coefficient C(6n,n-3).

A004358

Binomial coefficient C(6n,n-3).

Terms

    a(0) =1a(1) =24a(2) =435a(3) =7140a(4) =111930a(5) =1712304a(6) =25827165a(7) =386206920a(8) =5743572120a(9) =85113005120

External references