1658703domain: NAppears in sequencesNumber of nX4 0..3 arrays with rows and antidiagonals unimodal.at n=2A223797T(n,k)=Number of nXk 0..3 arrays with rows and antidiagonals unimodal.at n=17A223801Number of 3Xn 0..3 arrays with rows and antidiagonals unimodal.at n=3A223802