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

A233948

Number of (n+1)X(7+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) =780718a(1) =144797048a(2) =27781166008

External references