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Alexander Kalmynin's user avatar
Alexander Kalmynin's user avatar
Alexander Kalmynin
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question
26
The "stubborn" solutions to sums of three cubes
Feb 2, 2021
answer
23
Does the average primeness of natural numbers tend to zero?
Apr 8, 2019
answer
22
Number of 1's in binary expansion of $a_n = \frac{2^{\varphi(3^n)}-1}{3^n}$
Jun 27, 2021
answer
22
The constant $e$ represented by an infinite series
Jun 15, 2021
answer
22
Find all positive integers $n$ such that $n+\tau{(n)}=2\varphi{(n)}$
Mar 20, 2018
answer
21
Brauer–Siegel's Theorem and application
Oct 27
answer
20
Under a condition, $\frac{1}{b } = \sum_{n=1}^{\infty}\frac{1}{a_{n}}$ will never happen
Jun 7, 2021
answer
19
Are there any papers about this observation of the distribution of the zeros of the zeta function?
May 31, 2021
answer
18
Can the equation $1+z+z^2=z^n$ for natural $n$ have multiple complex roots $z$?
May 19, 2023
answer
18
Singularities of power series
Jan 19, 2020