Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,1 5,2 6,2 7,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155401
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,1 5,2 6,2 7,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =64a(4) =211a(5) =828a(6) =3688a(7) =18091a(8) =101434a(9) =633477a(10) =4772999a(11) =40520506
External references
- oeis: A155401