Hilltop maps: number of 6Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..1 6Xn array.
A221451
Hilltop maps: number of 6Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..1 6Xn array.
Terms
- a(0) =1a(1) =1201a(2) =65569a(3) =2897357a(4) =157933741a(5) =8569227073a(6) =456064257841
External references
- oeis: A221451