Binomial coefficient C(7n,n-8).

A004376

Binomial coefficient C(7n,n-8).

Terms

    a(0) =1a(1) =63a(2) =2415a(3) =73150a(4) =1929501a(5) =46504458a(6) =1052618392a(7) =22760723700a(8) =475491062970

External references