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

A186127

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

Terms

    a(0) =678a(1) =14606a(2) =120290a(3) =1574348a(4) =17129792a(5) =220010616a(6) =2630528360a(7) =33067061342a(8) =411149162658

External references