Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 3,2 4,1 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155376
Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 3,2 4,1 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =153a(5) =637a(6) =2307a(7) =11243a(8) =74510a(9) =497944a(10) =3748694a(11) =35838488a(12) =378887007a(13) =4442870787
External references
- oeis: A155376