Number of nX2 0..2 arrays with no element equal to the average of its horizontal and vertical neighbors.

A197436

Number of nX2 0..2 arrays with no element equal to the average of its horizontal and vertical neighbors.

Terms

    a(0) =6a(1) =34a(2) =246a(3) =1736a(4) =12450a(5) =89528a(6) =644328a(7) =4638654a(8) =33398106a(9) =240473126a(10) =1731475912a(11) =12467176650a(12) =89767756044a(13) =646357555524

External references