Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,2 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155338
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,2 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =64a(4) =199a(5) =919a(6) =4123a(7) =24600a(8) =145752a(9) =1212971a(10) =10549470a(11) =114622513
External references
- oeis: A155338