Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 4,3 5,4 6,5 7,5 polyhexes in any orientation on a planar nXnXn triangular grid.
A155430
Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 4,3 5,4 6,5 7,5 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =43a(4) =186a(5) =802a(6) =3291a(7) =15504a(8) =87663a(9) =541655a(10) =3932774a(11) =33121807
External references
- oeis: A155430