451319098domain: NAppears in sequencesNumber of n X n 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=4A224198Number of nX5 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=4A224201Number of 5Xn 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=4A224207