Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally and vertically.
A253812
Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally and vertically.
Terms
- a(0) =512a(1) =12992a(2) =214596a(3) =1713952a(4) =20991976a(5) =250052478a(6) =1124641848a(7) =5696013500a(8) =59724420234a(9) =668675350006
External references
- oeis: A253812