{"published":"2008-10-26 21:44:18","author_url":"https://blog.hatena.ne.jp/jeneshicc/","width":"100%","title":"Problem 12","author_name":"jeneshicc","height":"190","version":"1.0","provider_name":"Hatena Blog","blog_title":"\u843d\u66f8\u304d\u3001\u6642\u3005\u843d\u5b66","type":"rich","description":"The sequence of triangle numbers is generated by adding the natural numbers. So the 7th triangle number would be 1 + 2 + 3 + 4 + 5 + 6 + 7 = 28. The first ten terms would be:1, 3, 6, 10, 15, 21, 28, 36, 45, 55, ...Let us list the factors of the first seven triangle numbers: 1: 1 3: 1,3 6: 1,2,3,6 10\u2026","categories":["Project Euler"],"image_url":null,"provider_url":"https://hatena.blog","url":"https://jeneshicc.hatenadiary.org/entry/20081026/1225025058","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjeneshicc.hatenadiary.org%2Fentry%2F20081026%2F1225025058\" title=\"Problem 12 - \u843d\u66f8\u304d\u3001\u6642\u3005\u843d\u5b66\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://jeneshicc.hatenadiary.org/"}