Triangle read by rows, T(n, k) is the determinant of the matrix [s(n,k), s(n,k+1); s(n+1,k), s(n+1,k+1)] where s is the triangle A110440 of little Schroeder numbers.

A321187

Triangle read by rows, T(n, k) is the determinant of the matrix [s(n,k), s(n,k+1); s(n+1,k), s(n+1,k+1)] where s is the triangle A110440 of little Schroeder numbers.