Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.

A234127

Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.

Terms

    a(0) =12457a(1) =484731a(2) =19007583a(3) =753253097a(4) =29939517797

External references