Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 4,2 5,2 5,3 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155398
Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 4,2 5,2 5,3 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =94a(5) =343a(6) =1447a(7) =8149a(8) =47996a(9) =306243a(10) =2223176a(11) =19248076a(12) =198155209a(13) =2388609821a(14) =33179404593
External references
- oeis: A155398