{"blog_title":"Pongeponge","image_url":null,"published":"2025-06-05 18:00:00","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpongeponge.hatenablog.jp%2Fentry%2F2025%2F06%2F05%2F180000\" title=\"\u7d04\u6570\u306e\u500b\u6570 - Pongeponge\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","blog_url":"https://pongeponge.hatenablog.jp/","title":"\u7d04\u6570\u306e\u500b\u6570","author_name":"pongeponge","type":"rich","url":"https://pongeponge.hatenablog.jp/entry/2025/06/05/180000","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","\u7b97\u6570"],"description":"A000005 - OEIS 1 \u304b\u3089 n \u307e\u3067\u306e\u7d04\u6570\u306e\u500b\u6570 n : \u5b9f\u884c \u6570 \u7d04\u6570\u306e\u500b\u6570","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/pongeponge/","height":"190","width":"100%"}