Hilltop maps: number of 7Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..3 7Xn array.
A218642
Hilltop maps: number of 7Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..3 7Xn array.
Terms
- a(0) =1a(1) =16001a(2) =2092027a(3) =268378101a(4) =34351677143
External references
- oeis: A218642