Top network posts

• 119 All real numbers in $[0,2]$ can be represented as $\sqrt{2 \pm \sqrt{2 \pm \sqrt{2 \pm \dots}}}$
• 60 Conjectures that have been disproved with extremely large counterexamples?
• 59 An infinite train circling the planet that never stops
• 57 Mirror algorithm for computing $\pi$ and $e$ - does it hint on some connection between them?
• 53 Crazy pattern in the simple continued fraction for $\sum_{k=1}^\infty \frac{1}{(2^k)!}$
• 41 Prove inequality $\arccos \left( \frac{\sin 1-\sin x}{1-x} \right) \leq \sqrt{\frac{1+x+x^2}{3}}$
• 39 Closed form for $\left(1+\left(\frac{1}{2}+\left(\frac{1}{3}+\left(\frac{1}{4}+\cdots\right)^2\right)^2\right)^2\right)^2$?
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