2224955

Appears in sequences

• Number of 5 X 5 matrices with nonnegative integer entries and row and column sums equal to n.at n=4A003438
• Number of n X n 0..4 arrays with row sums 16 and column sums 16.at n=4A172802
• Number of n X n of nonnegative integers with all row and column sums equal to 4.at n=5A172806
• Number of 5*n X 5 0..4 arrays with row sums 4 and column sums 4*n.at n=0A172851
• Number A(n,k) of n X n nonnegative integer matrices with all row and column sums equal to k; square array A(n,k), n >= 0, k >= 0, read by antidiagonals.at n=50A257493