a(n) = E(2n,n)/2, where E(n,x) is the Euler polynomial.

A292782

a(n) = E(2n,n)/2, where E(n,x) is the Euler polynomial.

Terms

    a(0) =0a(1) =1a(2) =63a(3) =6306a(4) =990550a(5) =227890755a(6) =72524317341

External references