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Mathematics
Saša Marković's user avatar
Saša Marković's user avatar
Saša Marković's user avatar
Saša Marković
  • Member for 9 years, 4 months
  • Last seen more than a week ago
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Laugh, and the world laughs with you. Weep, and you weep alone ("Oldboy", 2003)

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44
Does $(n+1)(n-2)x_{n+1}=n(n^2-n-1)x_n-(n-1)^3x_{n-1}$ with $x_2=x_3=1$ define a sequence that is integral at prime indices?
Mar 15, 2019
36
Does any row of Pascal's triangle contain a Pythagorean triple?
Sep 11, 2024
33
Punch 2000 holes in 2000 polygons with 1000 needles
Nov 12, 2018
26
Minimum value of $4$-digit number divided by sum of its digits?
Apr 28, 2019
24
Expected maximum number of unpaired socks
May 21, 2019
23
Strange distribution of movie ratings
Jun 27, 2023
20
Is the limit of this infinite step construction an equilateral triangle?
Sep 17, 2018
19
Of all polygons inscribed in a given circle which one has the maximum sum of squares of side lengths?
Sep 17, 2018
18
Important Olympiad-inequalities
Feb 9, 2019
17
Another beauty hidden in a simple triangle (2)
Aug 25, 2018

Top network posts

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19
x-editable - adjusting the width of input field
12
Prove that $\sum_{n = 1}^{p - 1} n^{p - 1} \equiv (p - 1)! + p \pmod {p^2}$ with $p$ being an odd prime