184408

Appears in sequences

• Number of n-bead necklaces with beads of 2 colors and primitive period n, when turning over is allowed.at n=23A001371
• Denominators of continued fraction convergents to sqrt(542).at n=15A042037
• Number of bracelets of length n using exactly two different colored beads.at n=22A056342
• Number of primitive (period n) bracelets using exactly two different colored beads.at n=22A056348
• Expansion of q * (psi(q^3)^3 / psi(q)) / (phi(-q)^3 / phi(-q^3)) in powers of q where phi(), psi() are Ramanujan theta functions.at n=13A128638
• Expansion of psi(x) * f(-x^18)^3 / (phi(-x^3) * f(-x^3)^3) in powers of x where phi(), psi(), f() are Ramanujan theta functions.at n=40A261992