Hilltop maps: number of 7Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..3 7Xn array.
A218816
Hilltop maps: number of 7Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..3 7Xn array.
Terms
- a(0) =1a(1) =14089a(2) =1962145a(3) =260019585a(4) =33269071149
External references
- oeis: A218816