Number of (n+2)X9 binary arrays with each 3X3 subblock having a positive determinant.

A186061

Number of (n+2)X9 binary arrays with each 3X3 subblock having a positive determinant.

Terms

    a(0) =60588a(1) =1206478a(2) =19416799a(3) =275207345a(4) =4584860256a(5) =72905263923

External references