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mathlove
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All Questions Answers
Score Newest
question
38
Arranging numbers from $1$ to $n$ such that the sum of every two adjacent numbers is a perfect power
Mar 11, 2015
question
34
About the ratio of the areas of a convex pentagon and the inner pentagon made by the five diagonals
Oct 1, 2013
question
33
Can we simplify $\int_{0}^{\infty}\frac{{\sin}^px}{x^q}dx$?
Dec 1, 2013
question
23
Does this sequence always give an integer?
Sep 30, 2013
answer
22
Can we simplify $\int_{0}^{\infty}\frac{{\sin}^px}{x^q}dx$?
Dec 3, 2013
question
22
Letting $S(m)$ be the digit sum of $m$, then $\lim_{n\to\infty}S(3^n)=\infty$?
Sep 26, 2013
question
21
Prove that ${\sqrt2}^{\sqrt2}$ is an irrational number without using a theorem
Jul 31, 2013
question
20
Tetrahedra passing through a hole
Aug 7, 2013
question
17
Proving that every term of the sequence is an integer
May 29, 2013
question
17
If $\left(1^a+2^a+\cdots+n^{a}\right)^b=1^c+2^c+\cdots+n^c$ for some $n$, then $(a,b,c)=(1,2,3)$?
Oct 7, 2013
Top network posts
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140
How do people perform mental arithmetic for complicated expressions?
86
Numbers $n$ such that the digit sum of $n^2$ is a square
81
How to prove that the Fibonacci sequence is periodic mod 5 without using induction?
73
Representing every positive rational number in the form of $(a^n+b^n)/(c^n+d^n)$
66
Arranging numbers from $1$ to $n$ such that the sum of every two adjacent numbers is a perfect power

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