Number of (n+2) X (2+2) 0..1 arrays with every 3 X 3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254254
Number of (n+2) X (2+2) 0..1 arrays with every 3 X 3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =2812a(1) =14681a(2) =59531a(3) =223357a(4) =888391a(5) =3647288a(6) =15380009a(7) =65954108a(8) =284203166a(9) =1230877185a(10) =5342480244a(11) =23208777649a(12) =100906958889a(13) =438856975356
External references
- oeis: A254254