Binomial coefficients C(60,n).

Terms

a(0) =1a(1) =60a(2) =1770a(3) =34220a(4) =487635a(5) =5461512a(6) =50063860a(7) =386206920a(8) =2558620845a(9) =14783142660a(10) =75394027566a(11) =342700125300