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Old 2020-07-07, 09:01   #864
sweety439's Avatar
Nov 2016

13×173 Posts

So far, there is only two Riesel k and base <= 128 where algebraic factors on even-n combine with a covering set of MORE than one factor on odd-n to eliminate a k. That is 1369*30^n-1 and (400*88^n-1)/3
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