8716796353domain: NAppears in sequencesNumber of n X n 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically.at n=4A232362Number of nX5 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically.at n=4A232365