210163664domain: NAppears in sequencesNumber of nX3 0..3 arrays with rows and antidiagonals unimodal.at n=4A223796T(n,k)=Number of nXk 0..3 arrays with rows and antidiagonals unimodal.at n=25A223801Number of 5Xn 0..3 arrays with rows and antidiagonals unimodal.at n=2A223804