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 A334928 #7 Feb 16 2025 08:34:00 %S A334928 8,10,10,18,28,52,32,50,24,38,60,104,32,54,118,36,42,92,64,56,52,114, %T A334928 308,154,52,362,196,128,360,58,300,76,64,98,336,80,542,116,286,398, %U A334928 472,92,296,296,236,790,114,128,136,104,114,584,130,352,242,274,972,1074,446,572,360 %N A334928 Sum of the odd side lengths of all primitive Heronian triangles with perimeter A096468(n). %H A334928 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HeronianTriangle.html">Heronian Triangle</a> %H A334928 Wikipedia, <a href="https://en.wikipedia.org/wiki/Heronian_triangle">Heronian triangle</a> %H A334928 Wikipedia, <a href="https://en.wikipedia.org/wiki/Integer_triangle">Integer Triangle</a> %e A334928 a(1) = 8; there is one primitive Heronian triangle with perimeter A096468(1) = 12, which is [3,4,5] and the sum of its odd side lengths is 3 + 5 = 8. %e A334928 a(6) = 52; there are two primitive Heronian triangles with perimeter A096468(6) = 36, [9,10,17] and [10,13,13]. The sum of the odd side lengths is 9 + 17 + 13 + 13 = 52. %Y A334928 Cf. A096468, A334934. %K A334928 nonn %O A334928 1,1 %A A334928 _Wesley Ivan Hurt_, May 16 2020