Hilltop maps: number of nX3 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..2 nX3 array.
A219058
Hilltop maps: number of nX3 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..2 nX3 array.
Terms
- a(0) =7a(1) =63a(2) =503a(3) =4017a(4) =32123a(5) =256849a(6) =2053803a(7) =16422459a(8) =131315929a(9) =1050017821a(10) =8396067527a(11) =67135955941a(12) =536827099717
External references
- oeis: A219058