Number of nX5 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1.

A204081

Number of nX5 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1.

Terms

    a(0) =0a(1) =100a(2) =5260a(3) =107584a(4) =13346532a(5) =553472676a(6) =35085052464

External references