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 A070107 #5 Mar 30 2012 18:50:20 %S A070107 0,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,1,1,0,0,0,1,1,1,1,1,0,1,0,2,1,0,1, %T A070107 1,0,1,1,2,1,2,1,2,0,1,1,2,1,1,1,2,1,2,0,2,1,1,1,3,1,2,1,2,1,3,2,3,1, %U A070107 2,1,3,1,3,2,1,1,1,0,4,2,2,2,4,1,3,2,3,2,4,1 %N A070107 Number of integer triangles with perimeter n and relatively prime side lengths which are obtuse and isosceles. %H A070107 R. Zumkeller, <a href="/A070080/a070080.txt">Integer-sided triangles</a> %Y A070107 Cf. A070080, A070081, A070082, A070101, A059169, A051493, A070091, A070102, A070106, A070084, A070134. %K A070107 nonn %O A070107 1,31 %A A070107 _Reinhard Zumkeller_, May 05 2002