[seqfan] Re: Higher dimensional analogues to plane division by ellipses?
njasloane at gmail.com
Sat Jun 1 20:47:57 CEST 2013
Jess, look at the cross-references in A014206!
Here are a few of them:
Cf. A014206 <https://oeis.org/A014206> (dim 2),
3), A059173 <https://oeis.org/A059173> (dim 4),
5). A row of A059250 <https://oeis.org/A059250>.
On Fri, May 31, 2013 at 3:47 PM, Jess Tauber <goldenratio at earthlink.net>wrote:
> OEIS A051890 relates to the maximal number of regions into which
> ellipsoids may divide the plane. A014206 for division of the plane by
> I've seen BOTH these sequences with regard to the combinatorics of
> nucleons in real nuclei.
> All sorts of questions come to mind, but I'll limit myself to these:
> Firstly, are there analogous sequences for higher dimensional analogues,
> say, volume elements in a larger volume cut by ellipsoids or spheres, and
> are the formulae regularly relatable to those of the plane?
> Secondly, what if we consider other conic sections (and higher analogues),
> either uniformly or in combination?
> I tried looking up volume division at the Wolfram site, no luck.
> Jess Tauber
> goldenratio at earthlink.net
> Seqfan Mailing list - http://list.seqfan.eu/
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