[seqfan] Re: Sequences in a French Book not Found in OEIS

[Antreas Hatzipolakis]

Dear Olivier,

I am happy they are of interest!

In the case you need more scans of pages, please let me know.

Regards

Antreas


On Thu, Sep 5, 2013 at 1:48 PM, Olivier Gerard <olivier.gerard at gmail.com>wrote:

> Dear Antreas,
>
> Thanks a lot. This book is not so easy to find even in France.
> These sequences are concerned with ordered structures,
> (topologies, orders, ...)  There are also decompositions of set partitions.
>
>
> I will put them in the OEIS and give you credit for this find.
>
>
> Olivier
>
>
>
>
> On Thu, Sep 5, 2013 at 10:46 AM, Antreas Hatzipolakis
> <anopolis72 at gmail.com>wrote:
>
> > In the book: Marc Barbut, Bernard Monjardet: Ordre et Classification:
> > Algebre
> > et Combinatoire. Tome II. Hachette Universite, Paris, 1970, are listed
> some
> > integer sequences.
> >
> > The following ones are not found in the OEIS:
> >
> > 1,2,5,16,63,316,.....
> >
> > 0,0,0,1,20,65,350,...
> >
> > 0,0,0,0,1,15,140,...
> >
> > 1,3,8,28,208,....,
> >
> > 1,1,2,3,7,30,703,...
> >
> > I do not speak french (neither I am familiar with the subject) so it
> > is not easy for me to give good descriptions. So I have made images
> > of the pages of the book (containing the sequences) and put
> > them in a blog, in the case someone would like to check them.
> >
> > Please visit the page (and click on the images to enlarge):
> >
> > http://anthrakitis.blogspot.gr/2013/09/integer-sequences.html
> >
> > Antreas
> >
> > _______________________________________________
> >
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> >
>
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