Binomial coefficient C(5n,n-10).

A004352

Binomial coefficient C(5n,n-10).

Terms

    a(0) =1a(1) =55a(2) =1770a(3) =43680a(4) =916895a(5) =17259390a(6) =300500200a(7) =4935847320a(8) =77515521435

External references