201280

Appears in sequences

• G.f.: 1/(1 - x*(1-x^6)/(1 - x^2*(1-x^7)/(1 - x^3*(1-x^8)/(1 - x^4*(1-x^9)/(1 - x^5*(1-x^10)/(1 - ...)))))), a continued fraction.at n=25A227375
• Coordination sequence for (2,3,8) tiling of hyperbolic plane.at n=51A265058