[seqfan] Re: Bad pdf file in A002369?

Neil Sloane njasloane at gmail.com
Sat Feb 24 17:00:49 CET 2018


I scanned the article again (all I have is a 45-year-old photocopy,
probably from the Brown University library).
and then I enhanced the two pages separately. They seem legible now. Note:
do not delete the original scan, since I omitted the marginal notes in the
new versions.

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, Feb 24, 2018 at 6:31 AM, Arie Bos <arie.0.bos at gmail.com> wrote:

> Found same title with other author here https://cms.math.ca/10.4153/
> CJM-1950-035-6
>
> Arie Bos
>
> > -----Original Message-----
> > From: SeqFan [mailto:seqfan-bounces at list.seqfan.eu] On Behalf Of Hugo
> > Pfoertner
> > Sent: zaterdag 24 februari 2018 08:55
> > To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> > Subject: [seqfan] Re: Bad pdf file in A002369?
> >
> > Web search only finds one copy at Stanford:
> > https://searchworks.stanford.edu/view/1849836
> >
> > On Sat, Feb 24, 2018 at 8:36 AM, Brendan McKay
> > <Brendan.McKay at anu.edu.au>
> > wrote:
> >
> > > Here is a more detailed bibliographical citation.  It is an article in
> > > a conference proceedings.
> > >
> > > Jacques Devisme. Contribution a l'étude du problème des timbres-poste.
> > > Comptes-Rendus du Deuxième Congrès International de Récréation
> > > Mathématique, Paris, 1937. Librairie du "Sphinx", Bruxelles, 1937, pp.
> > > 55-56.
> > >
> > > I don't have it.
> > >
> > > Brendan.
> > >
> > >
> > >
> > > On 24/2/18 6:14 pm, Hugo Pfoertner wrote:
> > >
> > >> The downloads of both files work, but there is another problem. The
> > >> scanned copy of the article is almost unreadable and even applying
> > >> the usual tricks in image restoration (gamma curve, contrast,
> > >> sharpening filters, etc.) don't produce a satisfactory result. The
> > >> main problem is the image format Neil had used, which seems to have
> > >> been jpeg. This produced the well known artifacts of "Fourier
> > >> blocks". Assuming Neil's archive is well organized, I'd like to ask
> > >> him if he can redo the scan and use a better suited image format for
> > >> storing (e.g. gif or png)? Also Adobe Acrobat has a scan function
> > >> producing "clean" results.
> > >>
> > >> Hugo Pfoertner
> > >>
> > >> On Sat, Feb 24, 2018 at 5:13 AM, Alonso Del Arte <
> > >> alonso.delarte at gmail.com>
> > >> wrote:
> > >>
> > >> It works fine for me, I tried it in Firefox and Opera under Windows 8.
> > >>> What
> > >>> browser and operating system are you using, Jonathan?
> > >>>
> > >>> Al
> > >>>
> > >>> On Fri, Feb 23, 2018 at 9:35 PM, Sean A. Irvine <sairvin at gmail.com>
> > >>> wrote:
> > >>>
> > >>> The download works for me.  It is a single page PDF.
> > >>>>
> > >>>>
> > >>>> On 24 February 2018 at 06:31, jnthn stdhr <jstdhr at gmail.com> wrote:
> > >>>>
> > >>>> When I try to download "Illustration of initial terms" from
> > >>>> A0002369 it
> > >>>>> fails.  Is this my problem or a bad file?
> > >>>>>
> > >>>>> Jonathan
> > >>>>>
> > >>>>> --
> > >>>>> Seqfan Mailing list - http://list.seqfan.eu/
> > >>>>>
> > >>>>> --
> > >>>> Seqfan Mailing list - http://list.seqfan.eu/
> > >>>>
> > >>>>
> > >>>
> > >>> --
> > >>> Alonso del Arte
> > >>> Author at SmashWords.com
> > >>> <https://www.smashwords.com/profile/view/AlonsoDelarte>
> > >>> Musician at ReverbNation.com
> > >>> <http://www.reverbnation.com/alonsodelarte>
> > >>>
> > >>> --
> > >>> Seqfan Mailing list - http://list.seqfan.eu/
> > >>>
> > >>> --
> > >> Seqfan Mailing list - http://list.seqfan.eu/
> > >>
> > >
> > >
> > > --
> > > Seqfan Mailing list - http://list.seqfan.eu/
> > >
> >
> > --
> > Seqfan Mailing list - http://list.seqfan.eu/
>
>
> --
> Seqfan Mailing list - http://list.seqfan.eu/
>


More information about the SeqFan mailing list