Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,0 4,0 5,0 6,0 polyhexes in any orientation on a planar nXnXn triangular grid.
A155330
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,0 4,0 5,0 6,0 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =4a(2) =10a(3) =45a(4) =176a(5) =869a(6) =4190a(7) =22684a(8) =124296a(9) =845950a(10) =6444330a(11) =59042752
External references
- oeis: A155330