Number of (n+1)X(n+1) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..3 introduced in row major order.
A231355
Number of (n+1)X(n+1) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..3 introduced in row major order.
Terms
- a(0) =1a(1) =5a(2) =69a(3) =2190a(4) =151357a(5) =22223936a(6) =6484084119
External references
- oeis: A231355