Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 3,2 4,1 5,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155324
Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 3,2 4,1 5,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =133a(5) =535a(6) =2615a(7) =17587a(8) =119298a(9) =919700a(10) =8881748a(11) =102328225a(12) =1400493835a(13) =22807381469a(14) =434028590353
External references
- oeis: A155324