798720domain: NAppears in sequencesNumber of ways of folding a 2 X 2 X ... X 2 n-dimensional map.at n=5A001417Theta series of packing P_{10c}.at n=16A004021Number of n-bead necklace structures which are not self-equivalent under a nonzero rotation using a maximum of four different colored beads.at n=14A328743