212586domain: NAppears in sequencesNumber of ways to place zero or more nonadjacent 2,0 3,1 3,2 4,2 4,3 4,4 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=9A155447Number of permutations of length n avoiding 12345 and 12354.at n=9A224295Numbers k that divide A003714(k).at n=14A276488