Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 4,1 4,2 5,3 polyhexes in any orientation on a planar nXnXn triangular grid.
A155329
Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 4,1 4,2 5,3 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =94a(5) =403a(6) =2775a(7) =16917a(8) =98970a(9) =720295a(10) =7051084a(11) =87717398a(12) =1205893340a(13) =18539305616a(14) =340372026066
External references
- oeis: A155329