Number of 6Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally.

A232300

Number of 6Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally.

Terms

    a(0) =1a(1) =8401a(2) =3249889a(3) =877968487a(4) =267483142619

External references