{"id":31748,"date":"2026-09-07T18:04:25","date_gmt":"2026-09-07T09:04:25","guid":{"rendered":"https:\/\/123210.net\/wordpress\/tatenaoshi\/?p=31748"},"modified":"2026-09-07T18:09:43","modified_gmt":"2026-09-07T09:09:43","slug":"%e3%82%a2%e3%82%bd%e3%82%b7%e3%82%a2%e3%83%98%e3%83%89%e3%83%a9%ef%bc%9a%e4%b9%97%e7%ae%97%e3%81%ae%e5%bd%a2-%e7%84%a1%e9%99%90%e7%b4%9a%e6%95%b0-%e7%bf%bb%e8%a8%b3%e6%b8%88%e3%81%bf-pbs-infinite","status":"publish","type":"post","link":"https:\/\/123210.net\/wordpress\/tatenaoshi\/%e3%82%a2%e3%82%bd%e3%82%b7%e3%82%a2%e3%83%98%e3%83%89%e3%83%a9%ef%bc%9a%e4%b9%97%e7%ae%97%e3%81%ae%e5%bd%a2-%e7%84%a1%e9%99%90%e7%b4%9a%e6%95%b0-%e7%bf%bb%e8%a8%b3%e6%b8%88%e3%81%bf-pbs-infinite\/","title":{"rendered":"\u30a2\u30bd\u30b7\u30a2\u30d8\u30c9\u30e9\uff1a\u4e57\u7b97\u306e\u5f62 | \u7121\u9650\u7d1a\u6570  \u7ffb\u8a33\u6e08\u307f  PBS Infinite Series\u3000\uff0f\u3000Catalan Numbers 2,5,14,42  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noopener\">https:\/\/arxiv.org\/pdf\/math\/0212126.pdf<\/a><\/span><span class=\"ytAttributedStringLinkInheritColor\" dir=\"auto\"> \u975e\u6570\u306e\u4e57\u7b97\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30: <\/span><span class=\"ytAttributedStringLinkInheritColor\" dir=\"auto\"><a class=\"ytAttributedStringLink ytAttributedStringLinkCallToActionColor\" tabindex=\"0\" href=\"https:\/\/www.youtube.com\/redirect?event=video_description&amp;redir_token=QUM4Zm9rUVZZMnJqdXdnV0VocmI3Y0dfM003aXxBTl9pYzRkNVh2REVJQ0pjSWpzREloVEJhZjcyT2NBRGpRYWlFU3h2REViTV83NnNmbXQxRF9CbExqUWswX3NkdGdJMmNKNDd5cnR0em42UUc2X1ROVFNIVVZGcXJpTmhpZFNC&amp;q=http%3A%2F%2Fwww.math3ma.com%2Fmathema%2F2017%2F11%2F24%2Fmultiplying-non-numbers&amp;v=N7wNWQ4aTLQ\" target=\"_blank\" rel=\"nofollow noopener\">http:\/\/www.math3ma.com\/mathema\/2017\/1&#8230;<\/a><\/span><span class=\"ytAttributedStringLinkInheritColor\" dir=\"auto\"> \u30aa\u30da\u30e9\u30c9\u5165\u9580: <\/span><span class=\"ytAttributedStringLinkInheritColor\" 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