571202domain: NAppears in sequencesNumber of n X 3 0..1 arrays avoiding 0 0 1 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically.at n=9A207249Number of n X 4 0..1 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.at n=9A223945