399300domain: NAppears in sequencesNumber of (n+2) X 3 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=16A202093Number of (n+1)X(2+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=17A250426a(n) = 3*(n - 1)^2*n^3.at n=11A300846