Row sums of triangular matrix A246381 = exp(L) where L(n,k) = C(2*n, 2*k+1)/2.

A246385

Row sums of triangular matrix A246381 = exp(L) where L(n,k) = C(2*n, 2*k+1)/2.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =29a(4) =192a(5) =1657a(6) =17980a(7) =237361a(8) =3726512a(9) =68389537a(10) =1445817556a(11) =34786395633a(12) =943051379976

External references