Number of (n+2)X7 binary arrays with each 3X3 subblock having a positive determinant.

A186059

Number of (n+2)X7 binary arrays with each 3X3 subblock having a positive determinant.

Terms

    a(0) =6915a(1) =77987a(2) =743667a(3) =5877960a(4) =58408337a(5) =545528022a(6) =4584860256a(7) =44097747372a(8) =410464949409

External references