Number of nX7 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.
A183540
Number of nX7 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) =73a(1) =3996a(2) =146315a(3) =12593728a(4) =299794777
External references
- oeis: A183540