Number of ways to place zero or more nonadjacent 2,0 3,1 3,2 4,1 4,3 4,4 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155446
Number of ways to place zero or more nonadjacent 2,0 3,1 3,2 4,1 4,3 4,4 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =61a(5) =198a(6) =961a(7) =7036a(8) =35739a(9) =164475a(10) =1020808a(11) =9067997a(12) =101564763a(13) =1167745653a(14) =13478588062a(15) =184107863480
External references
- oeis: A155446