Top network posts

• 46 How can "[" be an operator in the PHP language specification?
• 36 A circle in the plane contains at most four lattice points?
• 31 Smallest order for finite group that needs many elements to generate it
• 30 Interesting Olympiad Style Problem about Invariance
• 28 Is it possible for an irreducible polynomial with rational coefficients to have three zeros in an arithmetic progression?
• 27 Divisibility property for sequence $a_{n+2}=-2(n-1)(n+3)a_n-(2n+3)a_{n+1}$
• 25 Does there exist rational $a,b,c$, such that $\sqrt[3]{1}+\sqrt[3]{2}+\sqrt[3]{4}=\sqrt[3]{a}+\sqrt[3]{b}+\sqrt[3]{c}$
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