Number of n X 7 0..1 arrays with every one equal to some NW, E or S neighbor.

A202905

Number of n X 7 0..1 arrays with every one equal to some NW, E or S neighbor.

Terms

    a(0) =1a(1) =1016a(2) =91161a(3) =5654616a(4) =387217701a(5) =27173404568

External references