Triangles and angles

[Jonathan Post]

A051493 <http://www.research.att.com/%7Enjas/sequences/A051493> formatted as
a graph suggests a fractal structure.


On 10/22/06, Neil Fernandez <primeness at borve.demon.co.uk> wrote:
>
> In message <8C8AF00C7DD39C1-109C-478F at FWM-M36.sysops.aol.com>,
> franktaw at netscape.net writes
>
> >Consider all triangles with integral sides, no side longer than n.
> >
> >How many different triangles are there, up to similarity?  I.e., how
> >many triples a,b,c with a<=b<=c<a+b, c <= n, and gcd(a,b,c) = 1?
>
> <http://www.research.att.com/~njas/sequences/A051493>
>
> Neil
>
> --
> Neil Fernandez
>
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