Binomial coefficient C(6n,n-8).

A004363

Binomial coefficient C(6n,n-8).

Terms

    a(0) =1a(1) =54a(2) =1770a(3) =45760a(4) =1028790a(5) =21111090a(6) =406481544a(7) =7471375560a(8) =132601016340

External references