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Junior Balkan MO
2010 Junior Balkan MO
2
JBMO 2010. Problem 2.
JBMO 2010. Problem 2.
Source:
June 20, 2010
induction
inequalities
number theory
prime factorization
number theory proposed
Problem Statement
Find all integers
n
n
n
,
n
≥
1
n \ge 1
n
≥
1
, such that
n
⋅
2
n
+
1
+
1
n \cdot 2^{n+1}+1
n
⋅
2
n
+
1
+
1
is a perfect square.
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