Number of n X n 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors.
A183484
Number of n X n 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors.
Terms
- a(0) =1a(1) =28a(2) =281a(3) =17260a(4) =9580528a(5) =2596400089
External references
- oeis: A183484