54177872domain: NAppears in sequencesNumber of nX4 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=4A224200T(n,k)=Number of nXk 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=32A224204Number of 5Xn 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=3A224207