96663domain: NAppears in sequencesNumber of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 4,1 5,1 6,2 7,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155419Partial sums of A299266.at n=50A299267Numbers k such that k and k+1 are both terms in A377732.at n=33A377733