a(n) = Product_{k=0..n-1} k!*binomial(2k,k).

A112332

a(n) = Product_{k=0..n-1} k!*binomial(2k,k).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =24a(4) =2880a(5) =4838400a(6) =146313216000

External references