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Neither (4k2 + 1) nor (2k(k – 1) + 1) is a Perfect Square

  • Jin-Hui Fang
Published/Copyright: June 15, 2009
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Integers
From the journal Volume 9 Issue 2

Abstract

In the present paper, by employing Cilleruelo's method, we prove that neither (4k2 + 1) nor (2k(k – 1) + 1) is a perfect square for all n > 1, which confirms a conjecture of Amdeberhan, Medina, and Moll.

Keywords.: Perfect square; prime
Received: 2008-08-08
Revised: 2009-02-12
Accepted: 2009-03-02
Published Online: 2009-06-15
Published in Print: 2009-June

© de Gruyter 2009

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