Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,0 4,1 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155298
Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,0 4,1 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =25a(3) =55a(4) =229a(5) =1191a(6) =8727a(7) =74357a(8) =700043a(9) =7963463a(10) =116098934a(11) =2137593164a(12) =48102627816
External references
- oeis: A155298