Number of (n+1)X(5+1) 0..4 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.

A234033

Number of (n+1)X(5+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) =39331a(1) =2990333a(2) =229271097a(3) =17838321119

External references