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PEN A Problems
94
A 94
A 94
Source:
May 25, 2007
algorithm
Divisibility Theory
Problem Statement
Find all
n
∈
N
n \in \mathbb{N}
n
∈
N
such that
3
n
−
n
3^{n}-n
3
n
−
n
is divisible by
17
17
17
.
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