59192688269domain: NAppears in sequencesNumber of nX4 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically, diagonally or antidiagonally.at n=5A232455Number of nX6 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically, diagonally or antidiagonally.at n=3A232457