4756140domain: NAppears in sequencesNumber of n X n 0..5 matrices with all row and column sums equal.at n=4A067213Duplicate of A067213.at n=3A202781T(n,k) is the number of n X n 0..k arrays with row and column sums equal.at n=49A202784Number of 4 X 4 0..n arrays with row and column sums equal.at n=5A202786