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Old 2020-03-27, 19:59   #31
gd_barnes's Avatar
May 2007
Kansas; USA

27A016 Posts

Put more simply for R1024, for k=81 all n's have a numeric covering set of factors [5, 41]. For k=9 and 36 that is not the case. They require algebraic factors for the even n to eliminate them.
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