Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.

A233944

Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.

Terms

    a(0) =1150a(1) =19484a(2) =328508a(3) =5601514a(4) =95457842a(5) =1628628304a(6) =27781166008a(7) =473979079512

External references