Number of (n+1)X(7+1) 0..7 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.

A234420

Number of (n+1)X(7+1) 0..7 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.

Terms

    a(0) =2094334a(1) =609452862a(2) =184360780592

External references