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 A070783 #2 Mar 30 2012 18:51:38 %S A070783 4,5,5,8,8,9,10,10,10,10,12,13,13,13,15,15,16,16,16,16,16,17,17,17,17, %T A070783 17,18,18,20,20,20,20,20,20,20,20,20,20,20,20,20,24,24,25,25,25,25,25, %U A070783 25,25,25,25,26,26,26,26,26,26,26,26,27,28,29,29,29,29,29,29,29,29,29 %N A070783 Square of longest side of triangles with sides whose squares are integers and with positive integer area, ordered by longest side, then second longest side and finally shortest side. %H A070783 A. Bogomolny, <a href="http://www.cut-the-knot.com/pythagoras/Loyds.shtml">Sam Loyd's Geometric Puzzle</a> %e A070783 a(6)=9 since the triangle with sides sqrt(9), sqrt(8) and sqrt(5) has area 3. %Y A070783 Cf. A055592, A070784, A070785, A070786, A070787. %K A070783 nonn %O A070783 1,1 %A A070783 _Henry Bottomley_, May 07 2002