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Revision history of "2005 IMO Shortlist Problems/N1"

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  • (cur | prev) 03:52, 16 August 2011‎ Mathmdmb (talk | contribs)‎ . . (215 bytes) (+215)‎ . . (Created page with "Consider the sequence <math>a_1,a_2, . . .</math> defined by <math>a_n=2^n+6^n+3^n-1</math> for <math>n = 1,2, . . . </math>. Determine all positive integers that are relatively...")
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