457234domain: NAppears in sequencesNumber of nX5 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically, with no adjacent values equal.at n=6A232062Number of nX7 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically, with no adjacent values equal.at n=4A232064