Hilltop maps: number of nX4 binary arrays indicating the locations of corresponding elements not exceeded by any king-move neighbor in a random 0..2 nX4 array.
A218315
Hilltop maps: number of nX4 binary arrays indicating the locations of corresponding elements not exceeded by any king-move neighbor in a random 0..2 nX4 array.
Terms
- a(0) =13a(1) =249a(2) =4081a(3) =65089a(4) =1040977a(5) =16654561a(6) =266461045a(7) =4263157633a(8) =68206942353
External references
- oeis: A218315