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..4 nX6 array.
A218286
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..4 nX6 array.
Terms
- a(0) =61a(1) =4073a(2) =261905a(3) =16772877a(4) =1073597617a(5) =68710447465
External references
- oeis: A218286