Number of ways to place zero or more nonadjacent 1,1 2,1 3,0 3,1 4,1 4,2 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155383
Number of ways to place zero or more nonadjacent 1,1 2,1 3,0 3,1 4,1 4,2 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =4a(2) =10a(3) =19a(4) =52a(5) =161a(6) =487a(7) =1787a(8) =8270a(9) =41329a(10) =223486a(11) =1401458a(12) =9925976a(13) =78514707a(14) =707922309a(15) =7286793032
External references
- oeis: A155383