82034domain: NAppears in sequencesNumber of ways to place zero or more nonadjacent 1,1 2,1 3,0 3,1 3,2 4,2 5,3 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155327Number of compositions (ordered partitions) of n into 2 or more distinct nonnegative parts.at n=26A216708