Binomial coefficient C(5n, n-12).

A004354

Binomial coefficient C(5n, n-12).

Terms

    a(0) =1a(1) =65a(2) =2415a(3) =67525a(4) =1581580a(5) =32801517a(6) =622614630a(7) =11050084695a(8) =186087894300

External references