Top network posts

• 11 Is there $n \geq 2$ such that $1^1 + 2^2 + \dots + n^n$ is a perfect square?
• 9 Determining the point from which the most area in a polygon is visible
• 9 What does it mean for $G\times H$ to be abelian?
• 7 When does the recurrence $a_k = 3a_{k - 1} + 1$ reach a power of 2?
• 6 Group of Order $p^2$ Isomorphic to $\mathbb{Z}_{p^2}$ or $\mathbb{Z}_{p}$ $\times$ $\mathbb{Z}_{p}$
• 6 When we speak of a group, must we explicitly specify a certain binary operation?
• 5 Extrema of ellipse from parametric form
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