[seqfan] Re: A077800: Broken links(?)

[Neil Sloane]

Zak, Jean-Paul,
Thanks for that detective work!

These links appear in 3 sequences: A077800 A099609 A001097

The Evard file:  Zak made a link to the Wayback Machine (nice!), I made a
cached copy of the html file, also a pdf file as a backup.  So now there
are 3 links to this paper, in 3 sequences

Delahaye: I changed the link to point to the web site of Pour la science.
I did not make a cached copy, although I would like to. Should I?

What do they say - 30% of links die each year?  We need to
make a lot more cached copies of our links.  This could be a full-time job,
like painting the Golden Gate Bridge.

Of course it is better to make cached copies BEFORE the link dies
- that way we can ask permission first.

Does anyone have a current email address for M. Delahaye?


Best regards
Neil

Neil J. A. Sloane, President, OEIS Foundation.
11 South Adelaide Avenue, Highland Park, NJ 08904, USA.
Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.
Phone: 732 828 6098; home page: http://NeilSloane.com
Email: njasloane at gmail.com


On Thu, Apr 30, 2015 at 5:54 AM, jean-paul allouche <
jean-paul.allouche at imj-prg.fr> wrote:

> Hi
>
> The first link is now
> http://www.lifl.fr/~delahaye/SIME/JPD/PLS_Nb_premiers_jumeaux.pdf
>
> As for the second one it is available through
>
> http://web.archive.org/web/20110726012847/http://www.math.utoledo.edu/~jevard/Page012.htm
> (links seem to work, but it would be good to make a local copy of the
> whole thing for the OEIS,
> unfortunately I do not have the time to do that)
>
> best wishes
> jean-paul
>
> Le 29/04/15 18:35, Zak Seidov a écrit :
>
>    Broken links in A077800(?):
>>
>> J. P. Delahaye, Twin Primes:Enemy Brothers?
>>
>> J. C. Evard, Twin primes and their applications.
>>
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