Number of (n+1)X(n+1) black-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.
A231133
Number of (n+1)X(n+1) black-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.
Terms
- a(0) =1a(1) =9a(2) =308a(3) =27171a(4) =6794904a(5) =4509445997
External references
- oeis: A231133