by John on (#56GWG)
Let’s look at the continued fraction representation for √14. If we were to take more terms, the sequence of denominators would repeat: 1, 2, 1, 6, 1, 2, 1, 6, 1, 2, 1, 6, … We could confirm this with Mathematica: In: ContinuedFraction[Sqrt[14], 13] Out: {3, 1, 2, 1, 6, 1, 2, 1, 6, 1, […]