Number of ways to place zero or more nonadjacent 1,1 2,1 3,1 4,1 5,0 5,1 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155332
Number of ways to place zero or more nonadjacent 1,1 2,1 3,1 4,1 5,0 5,1 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =182a(5) =814a(6) =3007a(7) =16060a(8) =115416a(9) =773749a(10) =6226900a(11) =66290928a(12) =740922136
External references
- oeis: A155332