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20226Re: Lehmer sequence puzzle

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  • David Broadhurst
    May 7 8:20 PM
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      --- In primenumbers@yahoogroups.com,
      "Maximilian Hasler" <maximilian.hasler@...> wrote:

      > [1 1 3 2 1 1 1 1 1]R=10, Q=3

      I think you are wrong, Maximilian.

      With Q = 3 and R = 10, I did not obtain 3 units from
      (x^n+y^n)/(x+y) with
      x = sqrt(R)/2 + sqrt(R-4*Q)/2
      y = sqrt(R)/2 - sqrt(R-4*Q)/2
      and integer n > 1.

      The only non-trivial case that I found was with
      Q = 2 and R = 7
      which I strongly presume to be Mike's discovery.

      But maybe I screwed up?

      David
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