%N Square of second 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 A. Bogomolny, <a href="http://www.cut-the-knot.com/pythagoras/Loyds.shtml">Sam Loyd's Geometric Puzzle</a>
%e a(6)=8 since the triangle with sides sqrt(9), sqrt(8) and sqrt(5) has area 3.
%Y Cf. A055593, A070783, A070785, A070786, A070787.
%A _Henry Bottomley_, May 07 2002