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 A196038 #5 Mar 30 2012 18:57:49 %S A196038 3,7,21,9,7,23,101,29,107,241,61,123,441,81,43,203,83,327,701,161,87, %T A196038 63,29,41,49,181,229,423,47,667,309,47,163,67,563,69,401,147,283,263, %U A196038 129,501,621,127,223,749,103,387,267,61,89,149,721,603,109,367 %N A196038 Positive integers c for which there is a primitive (-4/3)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196038 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196038 (See A196033.) %Y A196038 Cf. A195770, A196033, A196036. %K A196038 nonn %O A196038 1,1 %A A196038 _Clark Kimberling_, Sep 27 2011