Number of nX4 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.
A183549
Number of nX4 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.
Terms
- a(0) =9a(1) =299a(2) =5287a(3) =95101a(4) =1728533a(5) =31363527a(6) =569461759a(7) =10339213765a(8) =187720469393
External references
- oeis: A183549