Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 4,3 5,4 6,4 polyhexes in any orientation on a planar nXnXn triangular grid.
A155351
Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 4,3 5,4 6,4 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =43a(4) =186a(5) =784a(6) =3370a(7) =18899a(8) =119653a(9) =885804a(10) =7733006a(11) =76760124
External references
- oeis: A155351