Number of nX4 0..3 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors.
A231696
Number of nX4 0..3 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors.
Terms
- a(0) =50a(1) =1998a(2) =115583a(3) =6074096a(4) =286808607a(5) =14007173906a(6) =696904625544
External references
- oeis: A231696