Number of ways to place zero or more nonadjacent 1,0 2,0 2,2 3,1 3,2 4,1 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155442
Number of ways to place zero or more nonadjacent 1,0 2,0 2,2 3,1 3,2 4,1 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =124a(5) =550a(6) =2077a(7) =9417a(8) =59328a(9) =393791a(10) =2721517a(11) =23341616a(12) =236771490a(13) =2617082602
External references
- oeis: A155442