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 A334674 #10 Feb 16 2025 08:34:00 %S A334674 24,36,48,60,64,72,80,84,88,90,96,108,112,120,126,128,132,136,140,144, %T A334674 150,152,156,160,162,168,176,180,192,196,198,200,204,208,210,216,220, %U A334674 224,228,234,240,252,256,260,264,270,272,276,280,288,294,300,304,308,312,320 %N A334674 Perimeters of nonprimitive Heronian triangles with mutually distinct side lengths. %H A334674 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HeronianTriangle.html">Heronian Triangle</a> %H A334674 Wikipedia, <a href="https://en.wikipedia.org/wiki/Heronian_triangle">Heronian triangle</a> %H A334674 Wikipedia, <a href="https://en.wikipedia.org/wiki/Integer_triangle">Integer Triangle</a> %e A334674 a(1) = 24; there is one nonprimitive Heronian triangle with perimeter 24 whose side lengths are mutually distinct, [6,8,10]. %e A334674 a(2) = 36; there is one nonprimitive Heronian triangle with perimeter 36 whose side lengths are mutually distinct, [9,12,15]. %Y A334674 Cf. A331366, A334665. %K A334674 nonn %O A334674 1,1 %A A334674 _Wesley Ivan Hurt_, May 07 2020