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 A334757 #8 Jun 16 2020 14:07:37 %S A334757 5,10,13,15,17,20,25,51,29,30,34,72,80,40,45,50,153,53,116,58,125,65, %T A334757 65,65,68,219,73,235,85,80,85,85,85,89,178,90,101,100,95,97,419,322, %U A334757 109,232,240,115,360,125,250,255,145,130,275,136,135,280,438,149,145,145,146,623 %N A334757 Sum of the lengths of the hypotenuses of all Pythagorean triangles with perimeter A010814(n). %H A334757 Wikipedia, <a href="https://en.wikipedia.org/wiki/Integer_triangle">Integer Triangle</a> %H A334757 <a href="/index/Ps#PyTrip">Index entries related to Pythagorean Triples.</a> %e A334757 a(1) = 4; There is one integer-sided right triangle with perimeter A010814(1) = 12, [3,4,5] with hypotenuse 5. %e A334757 a(2) = 8; There is one integer-sided right triangle with perimeter A010814(2) = 24, [6,8,10] with hypotenuse 10. %Y A334757 Cf. A005044, A010814, A334607, A334678, A334717. %Y A334757 Cf. A334753 (sum of short legs), A334755 (sum of long legs). %K A334757 nonn %O A334757 1,1 %A A334757 _Wesley Ivan Hurt_, May 10 2020