Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any king-move neighbor in a random 0..2 nX6 array.
A218317
Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any king-move neighbor in a random 0..2 nX6 array.
Terms
- a(0) =49a(1) =3969a(2) =261121a(3) =16654561a(4) =1065434881a(5) =68184176641
External references
- oeis: A218317