Binomial coefficient C(4n,n-11).

A004341

Binomial coefficient C(4n,n-11).

Terms

    a(0) =1a(1) =48a(2) =1326a(3) =27720a(4) =487635a(5) =7624512a(6) =109453344a(7) =1473109704a(8) =18855883575a(9) =231900297200

External references