Number of (n+1)X9 binary arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant.

A185486

Number of (n+1)X9 binary arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant.

Terms

    a(0) =14860a(1) =1642258a(2) =104300522a(3) =8249951270a(4) =596127705496

External references