324848domain: NAppears in sequencesNumber of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,2 5,3 5,4 5,5 polyhexes in any orientation on a planar n X n X n triangular grid.at n=10A155402Number of strings of numbers x(i=1..6) in 0..n with sum i*x(i)^2 equal to n*36.at n=35A184445