23151623729domain: NAppears in sequencesNumber of n X n 0..3 arrays with rows nondecreasing and antidiagonals unimodal.at n=5A224018Number of nX6 0..3 arrays with rows nondecreasing and antidiagonals unimodal.at n=5A224022Number of 6Xn 0..3 arrays with rows nondecreasing and antidiagonals unimodal.at n=5A224028