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Ulam_1.png(400 × 400 pixels, file size: 3 KB, MIME type: image/png)

Description: 200×200 Ulam spiral. Best displayed at 200px or 400px so each integer is represented by exactly 1 or 2×2 pixels.
Title: Ulam 1
Credit: Transferred from en.wikipedia to Commons.
Author: Grontesca at English Wikipedia
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes

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