1047649905

Appears in sequences

• Number of 6 X 6 stochastic matrices of integers: all rows and columns sum to n.at n=4A003439
• Number of n X n of nonnegative integers with all row and column sums equal to 4.at n=6A172806
• Number of 3*n X 6 0..4 arrays with row sums 4 and column sums 2*n.at n=1A172841
• 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=61A257493