Binomial coefficients C(64,n).

Terms

a(0) =1a(1) =64a(2) =2016a(3) =41664a(4) =635376a(5) =7624512a(6) =74974368a(7) =621216192a(8) =4426165368a(9) =27540584512a(10) =151473214816a(11) =743595781824