Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

A253956

Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

Terms

    a(0) =16544a(1) =142800a(2) =1501724a(3) =16186768a(4) =168988280a(5) =1798654745a(6) =18976071008a(7) =202545992765

External references