Top network posts

• 33 About the ratio of the areas of a convex pentagon and the inner pentagon made by the five diagonals
• 32 Can we simplify $\int_{0}^{\infty}\frac{{\sin}^px}{x^q}dx$?
• 31 Arranging numbers from $1$ to $n$ such that the sum of every two adjacent numbers is a perfect power
• 22 Does this sequence always give an integer?
• 20 Letting $S(m)$ be the digit sum of $m$, then $\lim_{n\to\infty}S(3^n)=\infty$?
• 20 Can we simplify $\int_{0}^{\infty}\frac{{\sin}^px}{x^q}dx$?
• 17 If $\left(1^a+2^a+\cdots+n^{a}\right)^b=1^c+2^c+\cdots+n^c$ for some $n$, then $(a,b,c)=(1,2,3)$?
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