Number of nX3 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.
A183537
Number of nX3 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) =7a(1) =43a(2) =133a(3) =1326a(4) =4583a(5) =28498a(6) =146315a(7) =714260a(8) =4347058a(9) =20890725a(10) =119240779a(11) =628634929a(12) =3325454178a(13) =18388632372a(14) =96170628709a(15) =526462695215
External references
- oeis: A183537