22952606015domain: NAppears in sequencesNumber of nX4 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically or antidiagonally.at n=5A232305Number of n X 6 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically or antidiagonally.at n=3A232307