Number of nX5 0..1 arrays with every one equal to some NW, E or S neighbor.

A202903

Number of nX5 0..1 arrays with every one equal to some NW, E or S neighbor.

Terms

    a(0) =1a(1) =116a(2) =2801a(3) =51068a(4) =993219a(5) =19675348a(6) =387217701a(7) =7615580812a(8) =149865724619

External references