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 A196006 #5 Mar 30 2012 18:57:49 %S A196006 11,9,33,19,67,41,113,51,171,97,73,241,51,323,177,129,417,59,83,163, %T A196006 523,281,641,243,771,409,289,123,171,561,393,227,451,737,211,579,89, %U A196006 649,363,801,323,107,443,129,139,137,459,627,731,201,619,209,233 %N A196006 Positive integers c for which there is a primitive (2/3)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196006 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196006 (See A196001.) %Y A196006 Cf. A195770, A196001, A196004. %K A196006 nonn %O A196006 1,1 %A A196006 _Clark Kimberling_, Sep 26 2011