Top network posts

• 204 Help with a prime number spiral which turns 90 degrees at each prime
• 67 Is it possible to draw this picture without lifting the pen?
• 51 A conjectural trigonometric identity
• 49 Why should we believe in the axiom of regularity?
• 43 Expressing the Riemann Zeta function in terms of GCD and LCM
• 41 Can we trap light in a polygonal room?
• 40 Examples of notably long or difficult proofs that only improve upon existing results by a small amount
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