18208Re: [PrimeNumbers] Re: Factorial flight of fancy
- Jul 14 10:13 AM--- Dick <richard042@...> wrote:
> --- In firstname.lastname@example.org, Phil Carmody <thefatphil@...> wrote:That's not an explanation, that's the sequence's definition,
> > They are already on OEIS, but with no explanation:
> > http://www.research.att.com/~njas/sequences/A058302
> > http://www.research.att.com/~njas/sequences/A055939
> Maybe it's the new format, or Mr. Sloane is quick on the draw, but
> there are explanations (look in the blue bar above the sequence)
> Primes p such that p | ((p-1)/2)! -1
> Primes p such that p | ((p-1)/2)! +1
> respectively. Go figure huh?
and at that, precisely the one I gave. Perhaps I should have
said 'explication' instead.
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