Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 2,1 3,0 4,0 polyhexes in any orientation on a planar nXnXn triangular grid.
A155252
Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 2,1 3,0 4,0 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =13a(2) =37a(3) =136a(4) =1052a(5) =6406a(6) =55531a(7) =723614a(8) =9622394a(9) =173749962a(10) =4072845906a(11) =113648899144
External references
- oeis: A155252