Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.

A234035

Number of (n+1)X(7+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) =1007683a(1) =296931707a(2) =89286112307

External references