Le 2022-02-27 à 05:37, jr a écrit :
> hi,
> 
> Thomas de Groot <tho### [at] degrootorg> wrote:
>> Op 24/02/2022 om 17:57 schreef Robert McGregor:
>>> A simple Ulam spiral displaying the locations of the first 2088 prime numbers
>>
>> ... First time I heard about an ulam spiral...
> 
> same here.  v pleasing, visually.  the Wikipedia page shows that other
> arrangements are .. permissible.  attached shows primes marked on a Hilbert
> Curve (sphere_sweep, 4096 points), more "patterns".  (I wonder how much of those
> "patterns" is just the result of a desire to see patterns.  :-))
> 
> 
> regards, jr.

Our brains are extremely good at finding patterns. Even TO good at it. 
It can, and do, find patterns even in places where there are no patterns 
at all.

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