[seqfan] Re: Arithmetic progressions of squares
Reinhard Zumkeller
reinhard.zumkeller at gmail.com
Mon Oct 24 18:07:27 CEST 2011
Thanks for feedback!
I just added a table where we can see the initial values of all 7 sequences
at a glance.
hope this will help.
regards
RZ
2011/10/24 Moshe Levin <moshe.levin at mail.ru>
> I'm dreadfully sorry, but how can 198384 be approved (in such a great hurry
> ; -))
> without knowing what the data mean
> (e.g. order of entries) and with cfs. to even not-submitted sequences.
> Sure I'm terribly missing something here,
> Regards, ML
> PS Sure this is to Editor(s), not submitter.
>
>
>
> 24 октября 2011, 15:44 от Reinhard Zumkeller <reinhard.zumkeller at gmail.com
> >:
> > ... please have a look at https://oeis.org/draft/A198384 .. A198390
> (still
> > in limbo). Later I will also try the second part (restricted triples).
> >
> > Best
> > Reinhard
> >
> > 2011/10/24 Benoît Jubin <benoit.jubin at gmail.com>
> >
> > > Dear Seqfans,
> > >
> > > There does not seem to be OEIS sequences listing arithmetic
> > > progressions of squares. The triples are characterized in
> > >
> http://www.math.uconn.edu/~kconrad/blurbs/ugradnumthy/3squarearithprog.pdf
> > > and it is shown that there is no arithmetic progression of four squares
> in
> > >
> http://www.math.uconn.edu/~kconrad/blurbs/ugradnumthy/4squarearithprog.pdf
> > > (I saw these papers while reading this question:
> > >
> http://mathoverflow.net/questions/78949/arithmetic-progressions-of-squares
> > > )
> > >
> > > It would be nice if someone could list these triples (ideally(?):
> > > smallest, middle, largest elements, common differences, corresponding
> > > smallest, middle, largest arguments; and the same restricting to
> > > triples which are not multiples of smaller ones).
> > >
> > > Benoit
> > > PS: I'm sorry this email sounds a bit like "please do that for me",
> > > but (1) I really don't have time right now (2) it would take me much
> > > more time to write a program to list and order them than most people
> > > here (3) at least now the request is written somewhere, and if no one
> > > finds time for it, I might do it next semester when I have more time.
> > > So I thought it was still better to write this email than do nothing.
> > >
> > > _______________________________________________
> > >
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> > >
> >
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> >
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