Half the number of nX6 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.
A183581
Half the number of nX6 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.
Terms
- a(0) =38a(1) =12024a(2) =1282814a(3) =149355515a(4) =17195908538
External references
- oeis: A183581