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Old 2019-10-12, 23:32   #2
Dr Sardonicus
 
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Feb 2017
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Quote:
Originally Posted by axn View Post
<snip YouTube link>

Apologies if someone has already posted this elsewhere.
Nope, but somebody posted on it a day after you did, here.

Nice lead-in to Dirichlet's theorem on primes in arithmetic progressions.

I find it bemusing that everything in the polar graphs lies on a single spiral

r\;=\;\theta

but a swarm of spirals seems to appear. Ex uno plura!
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