Number of (5+2)X(n+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.
A254516
Number of (5+2)X(n+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) =221858a(1) =1731335a(2) =13015622a(3) =95905212a(4) =801430034a(5) =6552192968a(6) =52092582762a(7) =414195302102
External references
- oeis: A254516