Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 4,2 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155309
Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 4,2 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =52a(4) =196a(5) =938a(6) =5406a(7) =33082a(8) =270615a(9) =2652565a(10) =30092725a(11) =403696211a(12) =6603268906
External references
- oeis: A155309