Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 8.

A234981

Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 8.

Terms

    a(0) =87941706a(1) =115047739004

External references