Number of n X n 0..3 arrays with each element equal to either the sum mod 4 of its horizontal and vertical neighbors or the sum mod 4 of its diagonal and antidiagonal neighbors.
A183535
Number of n X n 0..3 arrays with each element equal to either the sum mod 4 of its horizontal and vertical neighbors or the sum mod 4 of its diagonal and antidiagonal neighbors.
Terms
- a(0) =1a(1) =16a(2) =133a(3) =16704a(4) =1150368
External references
- oeis: A183535