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 A196271 #5 Mar 30 2012 18:57:49 %S A196271 4,6,11,319,23,197,159,142,33,129,127,127,474,58,132,137,37,298,274, %T A196271 149,88,772,159,64,541,43,67,87,253,58,111,69,184,258,53,407,856,736, %U A196271 96,214,142,237,382,888,528,821,79,193,163,737,148,699,121,151,339 %N A196271 Positive integers c for which there is a primitive (-1/4)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196271 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196271 (See A196266.) %Y A196271 Cf. A195770, A196266, A196269, A196270, A196268. %K A196271 nonn %O A196271 1,1 %A A196271 _Clark Kimberling_, Sep 30 2011