87171345domain: NAppears in sequencesNumber of (5*n)X5 binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row.at n=6A188412Number of (7*n)Xn binary arrays with rows in nonincreasing order, 7 ones in every column and no more than 3 ones in any row.at n=4A188422