117352domain: NAppears in sequencesNumber of ways to place zero or more nonadjacent 0,0 1,0 2,0 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155219Number of multisets of exactly seven nonempty binary words with a total of n letters such that no word has a majority of 0's.at n=11A316408