Comment on The Ulam spiral: hidden structure among the prime numbersComments−jsmorph15ySimilar visualizations here: http://blog.morphism.com/2010/05/building-numbers.html http://blog.morphism.com/2010/07/pdfs-from-building-numbers.html That stuff was generated using Mathematica.
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Similar visualizations here:
That stuff was generated using Mathematica.