Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw.

A253373

Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw.

Terms

    a(0) =192474a(1) =5125790a(2) =128407497a(3) =943840336a(4) =8802760516a(5) =35861948220a(6) =195248382407a(7) =603872541953

External references