December 27, 2011
数学大好きな俺に数学のＳＵＧＥＥＥＥってなる事教えてくれ+雑学:哲学ニュースnwk “ウラムの螺旋 自然数を渦巻状に並べていき、素数だけを黒く塗ったもの。 特徴的な模様が見える。(ウラムの螺旋) http://ja.wikipedia.org/wiki/素数” 初めて知った。

数学大好きな俺に数学のＳＵＧＥＥＥＥってなる事教えてくれ+雑学:哲学ニュースnwk

“ウラムの螺旋
自然数を渦巻状に並べていき、素数だけを黒く塗ったもの。
特徴的な模様が見える。(ウラムの螺旋)
http://ja.wikipedia.org/wiki/素数”

初めて知った。

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