Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,1 5,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.
A155335
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,1 5,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =58a(4) =199a(5) =688a(6) =3581a(7) =19670a(8) =126183a(9) =979162a(10) =8439890a(11) =86791208a(12) =1020461563
External references
- oeis: A155335