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 A334120 #103 Feb 16 2025 08:34:00 %S A334120 5,6,8,13,15,30,17,35,20,21,41,72,25,29,85,30,26,57,35,37,37,76,191, %T A334120 117,44,250,127,91,260,52,202,51,56,53,220,50,364,65,196,266,342,73, %U A334120 206,203,148,568,73,77,75,68,85,404,89,256,172,155,601,702,273,350,301,190,589 %N A334120 Sum of the largest side lengths of all primitive Heronian triangles with perimeter A096468(n). %H A334120 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HeronianTriangle.html">Heronian Triangle</a> %H A334120 Wikipedia, <a href="https://en.wikipedia.org/wiki/Heronian_triangle">Heronian triangle</a> %H A334120 Wikipedia, <a href="https://en.wikipedia.org/wiki/Integer_triangle">Integer Triangle</a> %e A334120 a(1) = 5; there is one primitive Heronian triangle with perimeter A096468(1) = 12, [3,4,5] and 5 is the largest side length. %e A334120 a(6) = 30; there are two primitive Heronian triangles with perimeter A096468(6) = 36, [9,10,17] and [10,13,13]. The sum of the largest side lengths is then 17 + 13 = 30. %Y A334120 Cf. A096468, A330874, A334018. %K A334120 nonn %O A334120 1,1 %A A334120 _Wesley Ivan Hurt_, May 16 2020