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 A070126 #7 Mar 30 2012 18:50:20 %S A070126 3,6,9,16,22,34,35,43,46,63,84,109,124,159,170,189,201,234,286,297, %T A070126 350,352,382,410,450,478,479,515,527,597,629,688,708,811,817,868,900, %U A070126 981,1021,1033,1105,1153,1284,1386,1419,1425 %N A070126 Numbers n such that [A070080(n), A070081(n), A070082(n)] is an acute isosceles integer triangle with prime side lengths. %H A070126 R. Zumkeller, <a href="/A070080/a070080.txt">Integer-sided triangles</a> %e A070126 a(5)=22: [A070080(22), A070081(22), A070082(22)]=[3<5=5], A070085(22)=3^2+5^2-5^2=9>0. %Y A070126 Cf. A070100, A070115, A070111, A070118. %K A070126 nonn %O A070126 1,1 %A A070126 _Reinhard Zumkeller_, May 05 2002