Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,1 4,1 5,2 6,1 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155422
Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,1 4,1 5,2 6,1 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =118a(5) =502a(6) =1873a(7) =7452a(8) =43554a(9) =288884a(10) =1929451a(11) =15024812a(12) =143416801a(13) =1509097096
External references
- oeis: A155422