Number of (n+2)X(7+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.
A254511
Number of (n+2)X(7+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) =2977462a(1) =19754506a(2) =346212804a(3) =4236936385a(4) =52092582762a(5) =690528516461
External references
- oeis: A254511