Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.

A233947

Number of (n+1)X(6+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) =152974a(1) =15596008a(2) =1628628304a(3) =176443282254

External references