[seqfan] Re: Lack-a-day
rkg at cpsc.ucalgary.ca
Thu Dec 2 20:40:19 CET 2010
Very curious! My OEIS bookmark just gave what I
said, although other sequences seemed to be
appearing in full. Your present suggestion
yields a variety of results:
1. A seemingly complete entry.
2. An entry in the form %I %S %T ...
3. Sequences from Stanley's Enumerative Combinatorics
4. An Index to OEIS
5. A007598 as a graph
6. Same as 1.
7. A000045 - OEIS Search Results (actually just
a search page, into which I typed A007598 and got
the bare sequence as originally described, together
At this point I got a phone call from Neil, who
very patiently got me registered, and I can now
see sequences and (almost, but not quite) edit
them. I need local help with updating my
Firefox, or something.
Thanks for various sympathies and help. At
least I don't feel quite as lonely as I did. R.
On Thu, 2 Dec 2010, Olivier Gerard wrote:
> Dear Richard,
> Every OEIS user is entitled to see the whole entry and for
> such an oldie and goodie, there is much to read.
> It may be an incorrect link or glitch in the browser you use.
> Can you try
> <http://oeis.org/A007598>and tell us if you see only the sequence ?
> On Thu, Dec 2, 2010 at 19:13, Richard Guy <rkg at cpsc.ucalgary.ca> wrote:
> > Dear all,
> > I'm very discouraged at the way OEIS
> > is going. I suppose it's just the inevitability
> > of my old age. Here is a (final?) contribution,
> > though recent experience suggests that no-one
> > will take any notice.
> > It seems to me (though my Mother always
> > told me that I'm not a good looker!) that there
> > is nothing under A007598 except the bare sequence.
> > Or is that all I'm allowed to see these days?
> > It's a divisibility sequence. It is
> > a third order recurring sequence with characteristic
> > polynomial x^3 - 2x^2 - 2x + 1,
> > roots -1, tau^2, 1/tau^2
> > generating function x(1-x)/(1-2x-2x^2+x^3)
> > And there must be occurrences in the real
> > world?
> > Goodbye! It was fun while it lasted. R.
> > _______________________________________________
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