Number of (n+1)X(3+1) 0..5 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.

A234179

Number of (n+1)X(3+1) 0..5 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.

Terms

    a(0) =1978a(1) =39098a(2) =771710a(3) =15322566a(4) =304760768a(5) =6069161546a(6) =120976778744

External references