Binomial coefficient C(7n,n-4).

A004372

Binomial coefficient C(7n,n-4).

Terms

    a(0) =1a(1) =35a(2) =861a(3) =18424a(4) =367290a(5) =7028847a(6) =131115985a(7) =2404808340a(8) =43595145594a(9) =783768050065

External references