Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 3,2 4,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155269
Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 3,2 4,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =4a(2) =10a(3) =19a(4) =46a(5) =196a(6) =1032a(7) =4951a(8) =26637a(9) =188993a(10) =1709202a(11) =17529087a(12) =202068348a(13) =2791380782a(14) =47026449297a(15) =942262652574
External references
- oeis: A155269