Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,0 4,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155294
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,0 4,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =25a(3) =82a(4) =484a(5) =2877a(6) =16189a(7) =154910a(8) =1843060a(9) =22931773a(10) =396812328a(11) =8261826866
External references
- oeis: A155294