[seqfan] Re: A sequence in "The Penguin Dictionary of Curious and Interesting Geometry"

David Newman davidsnewman at gmail.com
Fri Apr 12 16:57:15 CEST 2013


Thanks. I'll  have a look at it now.


On Fri, Apr 12, 2013 at 5:54 PM, Neil Sloane <njasloane at gmail.com> wrote:

> The sequence that Wells mentions is A001403.
>
> Neil
>
>
> On Fri, Apr 12, 2013 at 10:40 AM, David Newman <davidsnewman at gmail.com
> >wrote:
>
> > Does anyone there have a copy of "The Penguin Dictionary of Curious and
> > Interesting Geometry" easily available.  The article on Fano Plane has a
> > sequence which I believe is not in the OEIS.  I can't check it now
> because
> > I didn't pack my copy of the book (I didn't have access to a computer
> when
> > I had the book in front of me.)  The sequence there is not the number of
> > projective planes of order n, that's for sure.
> >
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> >
>
>
>
> --
> Dear Friends, I have now retired from AT&T. New coordinates:
>
> Neil J. A. Sloane, President, OEIS Foundation
> 11 South Adelaide Avenue, Highland Park, NJ 08904, USA
> Phone: 732 828 6098; home page: http://NeilSloane.com
> Email: njasloane at gmail.com
>
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