Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 2,1 3,1 3,2 4,2 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155379
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 2,1 3,1 3,2 4,2 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =100a(5) =521a(6) =3034a(7) =15439a(8) =84733a(9) =680192a(10) =6722018a(11) =71127189a(12) =839682580a(13) =12147844032
External references
- oeis: A155379