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CHMMC problems
2013 CHMMC (Fall)
6
2013 Fall Team #6
2013 Fall Team #6
Source:
March 26, 2022
number theory
Problem Statement
Let
a
1
<
a
2
<
a
3
<
.
.
.
<
a
n
<
.
.
.
a_1 < a_2 < a_3 < ... < a_n < ...
a
1
<
a
2
<
a
3
<
...
<
a
n
<
...
be positive integers such that, for
n
=
1
,
2
,
3
,
.
.
.
,
n = 1, 2, 3, ...,
n
=
1
,
2
,
3
,
...
,
a
2
n
=
a
n
+
n
.
a_{2n} = a_n + n.
a
2
n
=
a
n
+
n
.
Given that if
a
n
a_n
a
n
is prime, then
n
n
n
is also, find
a
2014
a_{2014}
a
2014
.
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