T(n,k) = Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..1 n X k array.
A218354
T(n,k) = Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..1 n X k array.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =5a(4) =11a(5) =5a(6) =9a(7) =41a(8) =41a(9) =9a(10) =17a(11) =149a(12) =291a(13) =149a(14) =17a(15) =31a(16) =547a(17) =2069a(18) =2069a(19) =547a(20) =31a(21) =57a(22) =2007a(23) =14811a(24) =28661a(25) =14811a(26) =2007a(27) =57a(28) =105a(29) =7361
External references
- oeis: A218354