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Ulam spiral (for primes)/REXX: Difference between revisions
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<span style='font-family: "Linux Libertine",Georgia,Times,serif;font-size:150%;'>[[REXX]]</span><hr>
This is the output for the REXX program to produce a Ulam spiral (for primes);
'''Output''' when the following is used for input: <tt> 416 </tt>▼
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(Shown at <sup>'''1'''</sup>/<sub>'''8'''</sub> size.)
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▀ ▄ ▀ ▀ ▀ ▄▀ ▀ ▄▀ ▀ ▄ ▀ ▀ ▄ ▄ ▀ ▄ ▄ ▄ ▄ ▄ ▀ ▀ ▀ ▀ ▄ ▀ ▀ ▀ ▄ ▀▄ ▄ ▄ ▄ ▀ ▀ ▄ ▀ ▄ ▀ ▀▄ ▀ ▄ ▄ ▀ ▀ ▄ ▀▄ ▄ ▄ ▄▀ ▄▀ ▀ ▄ ▀ ▀ ▀ ▀
▀▄ ▄ ▄ ▄▀ ▀ ▀ ▄ ▀▄ ▄ ▀▄ ▀ ▀▄ ▀ ▀ ▀ ▄ ▀ ▄ ▀ ▄ ▀ ▀ ▀ ▄ ▄▀ ▄ ▄ ▀▄ ▀▄ ▄ ▄ ▄ ▀ ▀ ▀ ▀ ▀ ▀ ▄ ▄ ▀ ▄ ▄ ▄ ▀ ▄ ▀ ▄ ▀▄ ▀ ▀ ▄ ▀ ▀
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1 is the starting point, 173056 numbers used, 15758 primes found, largest prime: 173053
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1 is the starting point, 173056 numbers used, 15758 primes found, largest prime: 173053
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