Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..2 nX6 array.
A218590
Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..2 nX6 array.
Terms
- a(0) =49a(1) =3565a(2) =225647a(3) =14313773a(4) =908914463a(5) =57707873919
External references
- oeis: A218590