Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..1 nX7 array.
A221445
Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..1 nX7 array.
Terms
- a(0) =57a(1) =5785a(2) =543081a(3) =51186449a(4) =4832005625a(5) =456064257841
External references
- oeis: A221445