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

A232458

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

Terms

    a(0) =161a(1) =1607067a(2) =2403848151

External references