MathDB
Problems
Contests
International Contests
Cono Sur Olympiad
2024 Cono Sur Olympiad
3
3
Part of
2024 Cono Sur Olympiad
Problems
(1)
Cono Sur 2024/P3
Source: Cono Sur 2024
9/27/2024
Find all positive integers
n
n
n
such that
3
n
−
2
n
−
1
3^n - 2^n - 1
3
n
−
2
n
−
1
is a perfect square.
number theory