a(n) = n! * (n+1)! * (n+2)! * (n+3)! * (n+4)! * (n+5)! / (2! * 3! * 4! * 5! * 6!).

A010800

a(n) = n! * (n+1)! * (n+2)! * (n+3)! * (n+4)! * (n+5)! / (2! * 3! * 4! * 5! * 6!).

Terms

    a(0) =1a(1) =5040a(2) =101606400

External references