Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically.
A254816
Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically.
Terms
- a(0) =221858a(1) =2691838a(2) =37573674a(3) =463784139a(4) =5252066348a(5) =59733054453a(6) =617600165386
External references
- oeis: A254816