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 A196166 #5 Mar 30 2012 18:57:49 %S A196166 3,10,21,12,36,55,30,78,105,56,136,171,90,210,253,132,300,15,351,182, %T A196166 406,465,240,528,35,595,306,666,741,44,380,820,63,462,65,552,99,650, %U A196166 756,119,143,870,40,152,195,255,70,230,275,323,52,399,377,483,154 %N A196166 Positive integers b for which there is a primitive 6-Pythagorean triple (a,b,c) satisfying a<=b. %C A196166 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196166 (See A196162.) %Y A196166 Cf. A195770, A196162, A196163, A196165, A196167. %K A196166 nonn %O A196166 1,1 %A A196166 _Clark Kimberling_, Sep 28 2011