1126072domain: NAppears in sequencesNumber of n X 3 0..2 arrays with rows unimodal and antidiagonals nondecreasing.at n=5A224369T(n,k)=Number of nXk 0..2 arrays with rows unimodal and antidiagonals nondecreasing.at n=33A224374Number of 6Xn 0..2 arrays with rows unimodal and antidiagonals nondecreasing.at n=2A224378