Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..3 nX6 array.
A218194
Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..3 nX6 array.
Terms
- a(0) =57a(1) =4001a(2) =260205a(3) =16703113a(4) =1068969245a(5) =68410191725
External references
- oeis: A218194