Number of (n+1)X(2+1) 0..4 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.

A234030

Number of (n+1)X(2+1) 0..4 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.

Terms

    a(0) =307a(1) =3059a(2) =30263a(3) =300597a(4) =2990333a(5) =29784763a(6) =296931707a(7) =2962134453a(8) =29563955929a(9) =295171226895

External references