3628696domain: NAppears in sequencesNumber of n X 3 0..2 arrays with rows and antidiagonals unimodal.at n=4A223970T(n,k)=Number of nXk 0..2 arrays with rows and antidiagonals unimodal.at n=25A223975Number of 5Xn 0..2 arrays with rows and antidiagonals unimodal.at n=2A223978