6720357785domain: NAppears in sequencesNumber of (7*n)X7 binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row.at n=3A188414Number of (4*n) X n binary arrays with rows in nonincreasing order, four 1's in every column and no more than three 1's in any row.at n=6A188419