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Putnam
2001 Putnam
5
Putnam 2001 A5
Putnam 2001 A5
Source:
February 26, 2012
Putnam
modular arithmetic
college contests
Problem Statement
Prove that there are unique positive integers
a
a
a
,
n
n
n
such that
a
n
+
1
ā
(
a
+
1
)
n
=
2001
a^{n+1}-(a+1)^n=2001
a
n
+
1
ā
(
a
+
1
)
n
=
2001
.
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