545007960

Appears in sequences

• Number of n X n matrices with nonnegative entries and every row and column sum 2.at n=8A000681
• Number of 8 X 8 stochastic matrices of integers.at n=2A160318
• Number of n X n 0..2 arrays with row sums 14 and column sums 14.at n=7A172619
• Number of 4*n X 8 0..2 arrays with row sums 2 and column sums n.at n=1A172684
• 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=63A257493