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 A087939 #7 Mar 31 2012 10:26:02 %S A087939 41,89,97,113,149,157,193,233,269,277,313,317,337,353,389,433,461,521, %T A087939 541,557,569,613,617,653,673,709,761,769,773,797,821,853,881,929,937, %U A087939 953,1009,1013,1069,1097,1109,1117,1129,1201,1213,1217,1249,1301,1361 %N A087939 Prime hypotenuse of primitive Pythagorean triangles with nonprime odd short leg. %C A087939 For prime hypotenuse of primitive Pythagorean triangle with prime (short) leg see A067756. %K A087939 nonn %O A087939 1,1 %A A087939 _Lekraj Beedassy_, Oct 27 2003 %E A087939 Corrected and extended by _Ray Chandler_, Oct 28 2003