tanakaBox https://blog.hatena.ne.jp/tanakaBox/ ボクノス https://boxnos.hatenablog.com/ Scheme 段々翻訳されてない所に入ってきた。英語力が無い僕には辛くなりそう。Problem 42 - Project Euler The n^th term of the sequence of triangle numbers is given by, tn = ½n(n+1); so the first ten triangle numbers are:1, 3, 6, 10, 15, 21, 28, 36, 45, 55, ...By converting each letter in a word to a number corresponding to its alphabetical pos… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20080427%2F1209230312" title=" Problem 42 - 三角数 - ボクノス" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2008-04-27 02:18:32 rich https://boxnos.hatenablog.com/entry/20080427/1209230312 1.0 100%