21107931

Appears in sequences

• Number of n X n 0..4 arrays with row sums 15 and column sums 15.at n=4A172803
• Number of n X n 0..4 arrays with row sums 5 and column sums 5.at n=4A172809
• Number of n X 5 0..4 arrays with row sums 5 and column sums n.at n=4A172821
• Number of n X n 0..4 arrays with row sums n and column sums n.at n=4A172822