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 A119321 #11 Jan 26 2020 12:58:52 %S A119321 5,13,17,25,41,37,61,29,85,65,113,145,101,181,53,221,145,265,65,313, %T A119321 197,365,85,421,73,89,257,481,545,325,613,125,685,401,761,97,841,109, %U A119321 149,485,925,173,1013,577,1105,185,1201,677,1301,229,1405,785,1513,137,1625 %N A119321 Hypotenuse of primitive Pythagorean triangles sorted on inradius (A020888), then on hypotenuse. %D A119321 Mohammad K. Azarian, Circumradius and Inradius, Problem S125, Math Horizons, Vol. 15, Issue 4, April 2008, p. 32. Solution published in Vol. 16, Issue 2, November 2008, p. 32. %H A119321 Ray Chandler, <a href="/A119321/b119321.txt">Table of n, a(n) for n = 1..10000</a> %Y A119321 Cf. A119322. %K A119321 nonn %O A119321 1,1 %A A119321 _Lekraj Beedassy_, May 14 2006 %E A119321 Extended by _Ray Chandler_, Apr 12 2010