Scatterplot Question

[Robert Israel]

It does seem to be a real mathematical effect, a sort of "Moire pattern". 
But this is only a hint of a pattern that emerges at the next scale.
Here's the plot I obtained when I extended the sequence A141330 to 10000 
terms.
<http://www.math.ubc.ca/~israel/problems/A141330.gif>

Cheers,
Robert Israel

On Fri, 1 Aug 2008, Leroy Quet wrote:

> I first want to thank Diana Mecum for calculating more terms of my sequences. (I actually want to thank everybody who extends my sequences.)
>
> After Diana calculated more terms of A141330 through A141335, I used the EIS' plot function on these sequences. And I was rather surprised.
>
> Are the irregular hexagons that appear in the scatterplots of these sequences:
> (a) just an interference artifact of the plotting software or of my browser?
> Or (b) a result purely of the mathematics of the sequences?
>
> (If the answer is (a), then the plots may very well look different to other people viewing them than they do to me.)
>
> Hopefully the answer is (b), but I doubt it.
>
> Thanks,
> Leroy Quet
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