Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A253997
Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =222400a(1) =2136758a(2) =25361960a(3) =271991670a(4) =3087530706a(5) =36583132201a(6) =431011794558
External references
- oeis: A253997