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 A334938 #7 Feb 16 2025 08:34:00 %S A334938 8,10,10,16,24,46,90,30,58,26,96,60,154,48,138,234,50,50,92,238,40,52, %T A334938 220,492,52,334,344,410,338,158,936,66,458,76,444,334,858,82,858,202, %U A334938 540,1120,832,200,306,552,780,1434,100,1230,122,122,120,808,1268,428,260,260,2066,1950,764,1342 %N A334938 Sum of the middle side lengths of all Heronian triangles with even sides and perimeter A334936(n). %H A334938 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HeronianTriangle.html">Heronian Triangle</a> %H A334938 Wikipedia, <a href="https://en.wikipedia.org/wiki/Heronian_triangle">Heronian triangle</a> %H A334938 Wikipedia, <a href="https://en.wikipedia.org/wiki/Integer_triangle">Integer Triangle</a> %e A334938 a(1) = 8; there is one Heronian triangle with even side lengths and perimeter A334936(1) = 24, [6,8,10] whose middle side length is 8. %e A334938 a(2) = 10; there is one Heronian triangle with even side lengths and perimeter A334936(2) = 32, [10,10,12] whose middle side length is 10. %Y A334938 Cf. A334936, A334937, A334939. %K A334938 nonn %O A334938 1,1 %A A334938 _Wesley Ivan Hurt_, May 16 2020