Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155241
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =13a(2) =37a(3) =181a(4) =1229a(5) =8379a(6) =80551a(7) =1100805a(8) =17145265a(9) =351104244a(10) =9283888557a(11) =306284314214
External references
- oeis: A155241