Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

A254510

Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

Terms

    a(0) =833037a(1) =4546393a(2) =63472542a(3) =655621406a(4) =6552192968a(5) =70328373238a(6) =695661729709

External references