in reply to Re^2: 2, 2, 2, 3, 7, 22, 83, ...
in thread 2, 2, 2, 3, 7, 22, 83, ...

The way that I seem to remember learning it way back in college looked like this

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Re^4: 2, 2, 2, 3, 7, 22, 83, ...
by xorl (Deacon) on Feb 07, 2006 at 13:35 UTC
    Ah that vaguly looks familar (high school was a long time ago). Now I don't think it can be applied to this series as part of the definition says "where no two xj are the same." Or am I misssing something?
[reply]
      Yes, you are missing something :-)
      In this case, the x's are 1,2,3,4,5,...,n and the y's are 2,2,2,3,7,...m
      And the method gives a function f so that f(1) = 2, f(2) = 2, f(3) = 2, f(4) = 3, and so on...

      -- 6x9=42
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