30767936616domain: NAppears in sequencesNumber of 6 X 6 stochastic matrices of integers: all rows and columns sum to n.at n=5A003439Number of n X n 0..5 arrays with row sums 5 and column sums 5.at n=6A172862Number of 6*n X 6 0..5 arrays with row sums 5 and column sums 5*n.at n=0A172889