$$\mathrm{\text{Inline nested fracs }}\frac{1^{\sqrt{6}}}{\sqrt{2}+\frac{1}{\sqrt{3}+\frac{1}{\sqrt{4}+\frac{1}{\sqrt{5}+\frac{1}{\sqrt{6}+\dots }}}}}\mathrm{\text{ are script size at the first level and decrease to script script size for all more nested levels.}}$$