Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 2,1 3,0 polyhexes in any orientation on a planar nXnXn triangular grid.
A155228
Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 2,1 3,0 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =13a(2) =37a(3) =106a(4) =1005a(5) =10898a(6) =103861a(7) =1556609a(8) =33473058a(9) =935408536a(10) =32508382331
External references
- oeis: A155228