[seqfan] Re: Why A160251 != A003401, A160259 != A004169 ?

David Wilson dwilson at gambitcomm.com
Tue May 19 22:54:17 CEST 2009


By the normal definition of polygon, polygons have >= 3 sides, so 1 and 
2 do not belong
in A003401 unless we relax the definition of polygon.

franktaw at netscape.net wrote:
> It is nearly certain that A160251 is an incorrect version of A003401 
> (except for the initial terms), and likewise A160259 is an incorrect 
> version of A004169.  I recommend deleting both.
>
> Franklin T. Adams-Watters
>
>
> -----Original Message-----
> From: Hagen von EItzen <math at von-eitzen.de>
>
> I mailed the author a few days ago, but haven't heard back.
> Can anybody interpret the cryptic descriptions in a way that would
> explain why (e.g.) 28 is in A160251?
> Does "number of angles" refer to something else than "number of
> vertices" = "number of edges"?
> However, since the complement (A160259) even mentions Gauss's theorem,
> this sounds unlikely ...
>
> Hagen von Eitzen
>
>
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>
>
>   





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