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..2 nXk array.
A218206
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..2 nXk array.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =7a(4) =15a(5) =7a(6) =13a(7) =59a(8) =59a(9) =13a(10) =25a(11) =233a(12) =483a(13) =233a(14) =25a(15) =49a(16) =929a(17) =3841a(18) =3841a(19) =929a(20) =49a(21) =97a(22) =3697a(23) =30599a(24) =61013a(25) =30599a(26) =3697a(27) =97a(28) =191a(29) =14719
External references
- oeis: A218206