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 A070117 #7 Mar 30 2012 18:50:20 %S A070117 3,5,6,9,14,16,22,34,35,43,46,63,84,109,124,133,159,163,170,189,201, %T A070117 234,286,297,350,352,382,410,450,472,478,479,515,527,542,597,629,688, %U A070117 708,714,811,817,868,900,907,981,1021,1033 %N A070117 Numbers n such that [A070080(n), A070081(n), A070082(n)] is an isosceles integer triangle with prime side lengths. %H A070117 R. Zumkeller, <a href="/A070080/a070080.txt">Integer-sided triangles</a> %e A070117 a(10)=43: [A070080(43), A070081(43), A070082(43)]=[3,7,7]. %Y A070117 Cf. A070092, A070126, A070135, A070111, A070115. %K A070117 nonn %O A070117 1,1 %A A070117 _Reinhard Zumkeller_, May 05 2002