T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..3 nXk array.
A218638
T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..3 nXk array.
Terms
- a(0) =1a(1) =3a(2) =1a(3) =7a(4) =15a(5) =1a(6) =15a(7) =63a(8) =63a(9) =1a(10) =29a(11) =255a(12) =511a(13) =251a(14) =1a(15) =57a(16) =1017a(17) =4095a(18) =4087a(19) =1001a(20) =1a(21) =113a(22) =4065a(23) =32753a(24) =65523a(25) =32689a(26) =4001a(27) =1a(28) =225a(29) =16257
External references
- oeis: A218638