Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,0 4,1 5,0 6,0 polyhexes in any orientation on a planar nXnXn triangular grid.
A155397
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,0 4,1 5,0 6,0 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =4a(2) =13a(3) =45a(4) =194a(5) =809a(6) =3321a(7) =15727a(8) =81305a(9) =509040a(10) =3870198a(11) =33980590a(12) =341474106
External references
- oeis: A155397