Number of n X n 0..3 arrays with no element equal to the sum mod 4 of its horizontal and vertical neighbors.
A183502
Number of n X n 0..3 arrays with no element equal to the sum mod 4 of its horizontal and vertical neighbors.
Terms
- a(0) =3a(1) =81a(2) =19683a(3) =43146816a(4) =847298204784
External references
- oeis: A183502