Number of ways to place zero or more nonadjacent 1,0 1,1 2,1 3,1 4,2 5,2 6,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.
A155400
Number of ways to place zero or more nonadjacent 1,0 1,1 2,1 3,1 4,2 5,2 6,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =106a(5) =414a(6) =1792a(7) =8692a(8) =50965a(9) =347596a(10) =2639357a(11) =22946779a(12) =235883238a(13) =2823234704
External references
- oeis: A155400