[seqfan] Re: Need help recovering lost pages from former Rusin web site

Neil Sloane njasloane at gmail.com
Sun May 8 04:32:56 CEST 2016


Jean-Paul,
There is absolutely no possible way that your Bookmark hack could work.
But it does!!!!

All the Rusin broken links are now fixed (thanks also to Michel who helped)



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 Sat, May 7, 2016 at 2:42 PM, jean-paul allouche <
jean-paul.allouche at imj-prg.fr> wrote:

> Dear Neil
>
> Try this. Write the following bookmark
>
> javascript:window.location=location.protocol+'//'+'
> web.archive.org/web/20040405185800/http://'+location.hostname+location.pathname+location.search+location.hash
> ;
>
> (on a single line if it appears broken on the email; no space after http:)
>
> Be cautious: do not type this in the window where you type the URL's but
> open your
> file of bookmarks and type (or copy/paste) the line above. Call it
> something, like "hint".
>
> Now every time you write in the url window a link to one of the things of
> Rusin, say
> http://www.math.niu.edu/~rusin/known-math/95/numgrps
> and you try to reach it, when you get "Not Found", just click (in your
> bookmarks) on
> "hint" and you go automatically to the page saved on the time machine.
> (You can then just copy the file or copy and paste the saved url)
>
> best wishes
> jean-paul
>
>
>
> Le 07/05/16 19:08, Neil Sloane a écrit :
>
> Jean-Paul,
>> Thanks for tracking down that link!  It seems to work (the general one),
>> although I have to type things like this:
>>
>> wget --no-check-certificate
>>
>> https://web.archive.org/web/20040405185800/http://www.math.niu.edu/~rusin/known-math/98/pi_x
>>
>> When uploading them to the OEIS server I keep running into
>> problems because some of these pages contain non-ascii characters.
>>
>> I have been cleaning them up by running them through "strings", like this:
>>
>> strings smallnums >t1
>>
>> but that isn't a really good solution since it also deletes blank lines.
>>
>> Does anyone have a good unix shell
>> command for removing non-ascii chards, or replacing them with blanks, say?
>>
>> Anyway, I have dealt with the first 7 of the 19 missing pages and
>> will do others later tonight
>>
>>
>>
>>
>> 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 Sat, May 7, 2016 at 10:47 AM, jean-paul allouche <
>> jean-paul.allouche at imj-prg.fr> wrote:
>>
>> Ok here is a hint that seems to work
>>>
>>>
>>> https://web.archive.org/web/20040405185800/http://www.math.niu.edu/~rusin/known-math
>>> and add the suffixes as
>>>
>>> 95/numgrps
>>> 95/partitions
>>> etc.
>>>
>>> best
>>> jean-paul
>>>
>>>
>>>
>>> Le 07/05/16 16:24, Neil Sloane a écrit :
>>>
>>> Dear Sequence Fans, We have repeatedly tried to contact Dave Rusin, but
>>>> he
>>>>
>>>> has not replied to our messages. There are about 40 links in the OEIS to
>>>> pages from his former web site that are no longer available.
>>>>
>>>> We need help in recovering them from the Wayback machine (or other
>>>> sources).
>>>> See the Internet Archive under
>>>> https://web.archive.org/web/*/http://www.math.niu.edu/~rusin/
>>>> If anyone can help recover one or more of these pages it would be
>>>> greatly
>>>> appreciated.
>>>>
>>>> There are about 19 distinct pages that have been lost, as follows:
>>>>
>>>> %H A000001 D. Rusin, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/95/numgrps">Asymptotics</a>.
>>>> %H A000041 Kevin S. Brown, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/95/partitions">Additive
>>>> Partitions of Numbers</a>
>>>> %H A000217 sci.math, Jun 98 <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/98/sq_tri">Square numbers
>>>> that
>>>> are triangular</a>
>>>> %H A001035 D. Rusin, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/97/finite.top">Number of
>>>> topologies</a>
>>>> %H A002965 Dave Rusin, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/99/farey">Farey fractions on
>>>> sci.math</a>
>>>> %H A003504 D. Rusin, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/96/smallnums">Law of small
>>>> numbers</a>
>>>> %H A014234 Harry J. Smith, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/98/pi_x">PrimePi2 - Computes
>>>> the
>>>> Prime Pi(x) counting function</a>
>>>> %H A019590 D. Rusin, The Mathematical Atlas, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/index/11D41.html">Higher
>>>> degree
>>>> equations; Fermat's equation</a>
>>>> %H A028419 D. Rusin, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/97/triangles.grid">Lattice
>>>> Problem (Triangles)</a>
>>>> %H A028507 Dave Rusin, <a href="
>>>> http://www.math.niu.edu/~rusin/papers/uses-math/music/12">Why 12 tones
>>>> per
>>>> octave?</a>
>>>> %H A035239 <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/95/1000digits">Solution
>>>> for n=1000</a>
>>>> %H A035251 Sci.math, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/98/pells">General Pell
>>>> equation:
>>>> x^2 - N*y^2 = D</a>, 1998
>>>> %H A045996 I. L. Caestro, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/00_incoming/triangles_count
>>>> ">Checkerboard</a>,
>>>> sci.math 22 Oct 2000 [From _R. J. Mathar_, May 19 2010]
>>>> %H A051576 D. Rusin, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/99/burnside">Burnside
>>>> Problem</a>. [Broken link?]
>>>> %H A051635 Greg Kuperberg, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/93_back/prizes.erd">The Erdos
>>>> kitty: At least $9050 in prizes!</a>, Newsgroups: rec.puzzles, sci.math,
>>>> 1992.
>>>> %H A055557 Dave Rusin, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/98/exp_primes">Primes in
>>>> exponential sequences</a>
>>>> %H A072716 Dave Rusin, <a href="
>>>> http://www.math.niu.edu/~rusin/research-math/abcn/">For which values
>>>> of n
>>>> is a/b + b/c + c/a = n solvable?</a>
>>>> %H A111152 Dave Rusin, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/00_incoming/flt_rings
>>>> ">Seeking
>>>> counterexamples to FLT in other rings</a>
>>>> %H A156668 Dave Rusin, <a href="
>>>> http://www.math.niu.edu/~rusin/known-math/96/two_fifths">Re: Help with
>>>> diophantine equ.</a>, sci.math newsgroup
>>>>
>>>> Some of them appear multiple times in the OEIS.
>>>>
>>>> The usual way we handle this problem is to leave the existing link in
>>>> place
>>>> (in case it should come back to life), but to add "[Broken link]".
>>>> Then we upload the new copy to the OEIS server, with a link that says
>>>> something like "[Cached copy]"
>>>>
>>>> If we divide up the work this should be a manageable job.
>>>>
>>>> Neil Sloane and Antti Karttunen
>>>>
>>>> --
>>>> Seqfan Mailing list - http://list.seqfan.eu/
>>>>
>>>>
>>> --
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>>>
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>> Seqfan Mailing list - http://list.seqfan.eu/
>>
>
>
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