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

[Hans Havermann]

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?