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 A196267 #6 Mar 30 2012 18:57:49 %S A196267 4,8,12,5,16,20,10,24,28,10,32,36,320,22,40,198,44,160,15,20,48,143, %T A196267 32,52,56,130,60,128,20,64,68,128,30,72,640,76,476,25,44,57,80,133, %U A196267 396,84,88,138,320,32,92,300,30,40,96,286,100,276,64,104,150,108,35 %N A196267 Positive integers b for which there is a (-1/4)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196267 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196267 (See A196266.) %Y A196267 Cf. A195770, A196266, A196268, A196269. %K A196267 nonn %O A196267 1,1 %A A196267 _Clark Kimberling_, Sep 30 2011