Selfridge–Conway discrete procedure
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1 | UIUC UNDERGRADUATE MATH CONTEST April 16, [removed]For which positive integers n does the equation a1 a2 + a2 a3 + · · · + an−1 an + an a1 = 0 have a solution in integers ai = ±1? Explain!Add to Reading ListSource URL: www.math.illinois.eduLanguage: English - Date: 2005-04-16 17:33:21 |