1331200000domain: NAppears in sequencesNumber of n X n 0..3 arrays with antidiagonals unimodal.at n=3A223579Number of nX4 0..3 arrays with antidiagonals unimodal.at n=3A223581T(n,k)=Number of nXk 0..3 arrays with antidiagonals unimodal.at n=24A223585