[seqfan] Re: Periodic structure in "integer log" A001414

[Neil Sloane]

I've taken the liberty of adding both the comment and the plot to A001414

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 Sun, Oct 11, 2015 at 10:39 AM, Hans Havermann <gladhobo at teksavvy.com>
wrote:

> I've put put a slightly more detailed look:
>
> http://chesswanks.com/num/a001414LogPlot.png
>
> > On Oct 11, 2015, at 7:53 AM, Allan Wechsler <acwacw at gmail.com> wrote:
> >
> > Look at the graph of A001414. At the lower edge of the logarithmic
> > scatterplot there is a set of fuzzy but unmistakable diagonal fringes,
> > sloping toward the southeast. Their spacing gradually increases, and
> their
> > slopes gradually decrease; they are more distinct toward the lower edge
> of
> > the range. Is any explanation known?
>
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