This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A379340 #46 Jun 09 2025 17:27:38 %S A379340 70,105,143,195,2849,3854,5681,8075,143737,144157,208395,939356, %T A379340 1226670,2259257,2656724,2741046,4598528,6555549,7832413,11818136, %U A379340 19751043,32938290,429323037,807759678,1375704770,1656510196,1981351834 %N A379340 Integers m such that m^2 is the sum of two or more squares of consecutive integers in more than one way. %H A379340 Xianwen Wang, <a href="/A379340/a379340.rs.txt">Rust program</a> %e A379340 105^2 = (-19)^2 + (-18)^2 + ... + 29^2 = (-21)^2 + (-20)^2 + ... + 28^2. %e A379340 143^2 = 38^2 + 39^2 + ... + 48^2 = 7^2 + 8^2 + ... + 39^2. %e A379340 2259257^2 = 26181^2 + 26182^2 + ... + 32158^2 = 9401^2 + 9402^2 + ... + 25273^2. %Y A379340 Cf. A062681. %Y A379340 Subsequence of A174069. %K A379340 nonn %O A379340 1,1 %A A379340 _Xianwen Wang_, May 23 2025