Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A253996
Number of (4+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) =51856a(1) =406183a(2) =3678188a(3) =30663580a(4) =266574705a(5) =2365554897a(6) =20976836853a(7) =183417881138
External references
- oeis: A253996