Number of ways to place zero or more nonadjacent 2,0 3,0 4,1 4,2 4,3 4,4 5,1 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155444
Number of ways to place zero or more nonadjacent 2,0 3,0 4,1 4,2 4,3 4,4 5,1 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =61a(5) =215a(6) =976a(7) =6510a(8) =31895a(9) =148311a(10) =835105a(11) =6965183a(12) =70259384a(13) =771053702a(14) =8287139754a(15) =101882179551
External references
- oeis: A155444