Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,0 4,1 4,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155285
Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,0 4,1 4,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =13a(2) =37a(3) =73a(4) =258a(5) =1871a(6) =22758a(7) =161452a(8) =1241904a(9) =16300245a(10) =324762872a(11) =7210518148a(12) =157052254320
External references
- oeis: A155285