Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..2 nX6 array.
A218231
Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..2 nX6 array.
Terms
- a(0) =49a(1) =3839a(2) =253825a(3) =16187585a(4) =1035156707a(5) =66220959971
External references
- oeis: A218231