176906domain: NAppears in sequencesNumber of n-bead necklaces (turning over is allowed) where complements are equivalent.at n=24A000011Number of even sequences with period 2n (bisection of A000011).at n=12A000117Maximal coefficient of (1 + x^2) * (1 + x^3) * (1 + x^4) * ... * (1 + x^n).at n=25A369706