4549684domain: NAppears in sequencesNumber of n X 3 0..2 arrays with rows nondecreasing and antidiagonals unimodal.at n=6A224007T(n,k)=Number of nXk 0..2 arrays with rows nondecreasing and antidiagonals unimodal.at n=42A224012Number of 7Xn 0..2 arrays with rows nondecreasing and antidiagonals unimodal.at n=2A224017