For large n the size of the set has been found by numerical techniques to be approximately 2.53n and analytically strict bounds are given by a Farey sequence of Fibonacci numbers.
TNT equivalent | impedance | Electrical impedance | Wired Equivalent Privacy | Twenty-foot equivalent unit | Impedance matching | electrical impedance | 35 mm equivalent focal length | Object-relational impedance mismatch | Normal curve equivalent | impedance matching | Impedance | Barrel of oil equivalent |