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 A070099 #5 Mar 30 2012 18:50:20 %S A070099 0,0,1,0,1,0,1,1,1,1,2,1,3,1,1,2,4,1,4,2,2,2,5,1,4,2,4,3,6,2,6,3,4,3, %T A070099 5,3,8,3,4,3,8,3,9,5,5,4,10,3,9,4,6,5,11,4,8,5,7,6,12,3,13,6,8,7,9,4, %U A070099 14,7,8,5,15,5,15,7,9,8,13,6,16,6,11,8,17,5,13 %N A070099 Number of integer triangles with perimeter n and relatively prime side lengths which are acute and isosceles. %H A070099 R. Zumkeller, <a href="/A070080/a070080.txt">Integer-sided triangles</a> %Y A070099 Cf. A070080, A070081, A070082, A070093, A059169, A051493, A070091, A070094, A070098, A070084, A070125. %K A070099 nonn %O A070099 1,11 %A A070099 _Reinhard Zumkeller_, May 05 2002