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 A196003 #5 Mar 30 2012 18:57:49 %S A196003 11,9,33,22,19,18,67,41,33,113,66,27,51,44,171,97,38,73,241,36,55,134, %T A196003 51,99,82,323,177,66,129,45,417,59,226,57,83,163,77,132,523,281,54, %U A196003 102,201,641,88,342,123,243,194,771,63,165,409,76,99,146,289,123 %N A196003 Positive integers c for which there is a (2/3)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196003 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196003 (See A196001.) %Y A196003 Cf. A195770, A196001, A196002, A196006. %K A196003 nonn %O A196003 1,1 %A A196003 _Clark Kimberling_, Sep 26 2011