Number of nX7 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically.

A232367

Number of nX7 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically.

Terms

    a(0) =161a(1) =210039a(2) =175284259a(3) =143280358783

External references