Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A253876
Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =3825920a(1) =195774608a(2) =8536982016a(3) =423305690976
External references
- oeis: A253876