T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..3 nXk array.
A218372
T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..3 nXk array.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =7a(4) =15a(5) =7a(6) =15a(7) =63a(8) =63a(9) =15a(10) =29a(11) =253a(12) =509a(13) =253a(14) =29a(15) =57a(16) =1009a(17) =4081a(18) =4081a(19) =1009a(20) =57a(21) =113a(22) =4033a(23) =32641a(24) =65409a(25) =32641a(26) =4033a(27) =113a(28) =225a(29) =16129
External references
- oeis: A218372