Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 4,2 5,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.
A155350
Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 4,2 5,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =43a(4) =139a(5) =529a(6) =2779a(7) =14903a(8) =85160a(9) =631076a(10) =5508964a(11) =55342292a(12) =627643346
External references
- oeis: A155350