Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,0 4,0 5,0 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155331
Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,0 4,0 5,0 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =4a(2) =13a(3) =28a(4) =131a(5) =616a(6) =2577a(7) =12364a(8) =77884a(9) =560672a(10) =4490012a(11) =45293635a(12) =525483762
External references
- oeis: A155331