106960domain: NAppears in sequencesNumbers k such that k and k^2 use only the digits 0, 1, 4, 6 and 9.at n=51A136862Number of pairs of orientable necklaces with n beads and up to 5 colors; i.e., turning the necklace over does not leave it unchanged. The turned-over necklace is not included in the count.at n=9A278641