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2021 Malaysia IMONST 1
5
8n + 1 is a perfect square 2021 Malaysia IMONST 1 Senior P5
8n + 1 is a perfect square 2021 Malaysia IMONST 1 Senior P5
Source:
September 20, 2021
number theory
Perfect Square
Problem Statement
How many integers
n
n
n
(with
1
≤
n
≤
2021
1 \le n \le 2021
1
≤
n
≤
2021
) have the property that
8
n
+
1
8n + 1
8
n
+
1
is a perfect square?
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