Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..3 nX7 array.
A218371
Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..3 nX7 array.
Terms
- a(0) =113a(1) =16129a(2) =2088955a(3) =267910753a(4) =34291593409
External references
- oeis: A218371