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 A024355 #10 Feb 03 2020 16:34:51 %S A024355 3,4,5,7,8,9,11,12,12,13,15,15,16,17,19,20,20,21,21,23,24,24,25,27,28, %T A024355 28,29,31,32,33,33,35,35,36,36,37,39,39,40,40,41,43,44,44,45,45,47,48, %U A024355 48,49,51,51,52,52,53,55,55,56,56,57,57,59,60,60,60,60,61,63,63,64,65 %N A024355 Consider primitive Pythagorean triangles (A^2 + B^2 = C^2, (A, B) = 1, A <= B); sequence gives values of AUB, sorted. %C A024355 Union of A020883 and A020884, sorted (with multiplicity); n occurs A024361(n) times. - _Ray Chandler_, Feb 03 2020 %H A024355 Ray Chandler, <a href="/A024355/b024355.txt">Table of n, a(n) for n = 1..10000</a> %H A024355 Ron Knott, <a href="http://www.maths.surrey.ac.uk/hosted-sites/R.Knott/Pythag/pythag.html">Pythagorean Triples and Online Calculators</a> %Y A024355 Cf. A020883, A020884, A024361. %K A024355 nonn %O A024355 1,1 %A A024355 _David W. Wilson_