Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 4,1 5,0 5,1 6,0 polyhexes in any orientation on a planar nXnXn triangular grid.
A155418
Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 4,1 5,0 5,1 6,0 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =4a(2) =13a(3) =37a(4) =146a(5) =650a(6) =2757a(7) =12196a(8) =62521a(9) =379032a(10) =2723899a(11) =22610728
External references
- oeis: A155418