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Tag Archives: numbers

Found this Braille style picture of the Ulam Spiral:

When arranging the natural numbers in a spiral and emphasizing the prime numbers, an intriguing and not fully explained pattern is observed, called the Ulam spiral.

Found when reading about some new deep connection of prime numbers which is a real kioskvältare in mathematics.

A-C-R-C-I-T by Guy de Cointet (1971).