800309domain: NAppears in sequencesNumber of n X 4 0..2 arrays with rows unimodal and antidiagonals nondecreasing.at n=4A224370T(n,k)=Number of nXk 0..2 arrays with rows unimodal and antidiagonals nondecreasing.at n=32A224374Number of 5Xn 0..2 arrays with rows unimodal and antidiagonals nondecreasing.at n=3A224377