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 A334939 #6 Feb 16 2025 08:34:00 %S A334939 10,12,16,20,26,54,122,34,70,40,118,82,192,50,160,278,60,52,114,314, %T A334939 74,74,280,592,80,392,414,500,418,182,1174,104,588,102,534,428,996, %U A334939 100,1078,234,620,1394,1060,294,412,684,1006,1712,146,1488,150,136,170,1100,1586,512 %N A334939 Sum of the largest side lengths of all Heronian triangles with even sides and perimeter A334936(n). %H A334939 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HeronianTriangle.html">Heronian Triangle</a> %H A334939 Wikipedia, <a href="https://en.wikipedia.org/wiki/Heronian_triangle">Heronian triangle</a> %H A334939 Wikipedia, <a href="https://en.wikipedia.org/wiki/Integer_triangle">Integer Triangle</a> %e A334939 a(1) = 10; there is one Heronian triangle with even side lengths and perimeter A334936(1) = 24, [6,8,10] whose largest side length is 10. %e A334939 a(2) = 12; there is one Heronian triangle with even side lengths and perimeter A334936(2) = 32, [10,10,12] whose largest side length is 12. %Y A334939 Cf. A334936, A334937, A334938. %K A334939 nonn %O A334939 1,1 %A A334939 _Wesley Ivan Hurt_, May 16 2020