Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A258508
Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =193488a(1) =1679437a(2) =20998652a(3) =236448598a(4) =2402910000a(5) =25984470984a(6) =287984893776
External references
- oeis: A258508