1738756domain: NAppears in sequencesNumber of nX6 0..3 arrays with rows unimodal and columns nondecreasing.at n=2A223985T(n,k)=Number of nXk 0..3 arrays with rows unimodal and columns nondecreasing.at n=30A223987Number of 3Xn 0..3 arrays with rows unimodal and columns nondecreasing.at n=5A223988