Hilltop maps: number of 4Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 4Xn array.
A219081
Hilltop maps: number of 4Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 4Xn array.
Terms
- a(0) =1a(1) =149a(2) =2469a(3) =32945a(4) =494713a(5) =7561349a(6) =113959413a(7) =1715622809a(8) =25868247057a(9) =390055483301
External references
- oeis: A219081