3801411

Appears in sequences

• Number of n X n 0..2 zero-diagonal arrays with corresponding row and column sums equal.at n=4A229415
• T(n,k) = number of n X n 0..k zero-diagonal arrays with corresponding row and column sums equal.at n=19A229417
• Number of 5X5 0..n zero-diagonal arrays with corresponding row and column sums equal.at n=1A229419