16355242domain: NAppears in sequencesNumber of nX5 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=3A224201T(n,k)=Number of nXk 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=31A224204Number of 4Xn 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=4A224206