Binomial coefficient C(4n, n-12).

A004342

Binomial coefficient C(4n, n-12).

Terms

    a(0) =1a(1) =52a(2) =1540a(3) =34220a(4) =635376a(5) =10424128a(6) =156238908a(7) =2186189400a(8) =28987537150a(9) =368136785016

External references