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

A234976

Number of (n+1)X(2+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) =1664a(1) =34862a(2) =684282a(3) =13888792a(4) =280501760a(5) =5681668040a(6) =115047739004

External references