492118domain: NAppears in sequencesNumber of nX2 0..3 arrays with the row and column sums nondecreasing.at n=6A202576T(n,k)=Number of nXk 0..3 arrays with the row and column sums nondecreasing.at n=29A202581T(n,k)=Number of nXk 0..3 arrays with the row and column sums nondecreasing.at n=34A202581