Number of n X n binary arrays with each element equal to either the sum mod 2 of its horizontal and vertical neighbors or the sum mod 2 of its diagonal and antidiagonal neighbors.
A183509
Number of n X n binary arrays with each element equal to either the sum mod 2 of its horizontal and vertical neighbors or the sum mod 2 of its diagonal and antidiagonal neighbors.
Terms
- a(0) =1a(1) =4a(2) =37a(3) =736a(4) =24194a(5) =2075747a(6) =401449253a(7) =174957270750
External references
- oeis: A183509