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 A196180 #5 Mar 30 2012 18:57:49 %S A196180 4,4,56,7,45,44,168,48,96,340,21,51,209,88,572,24,140,260,864,65,91, %T A196180 493,40,204,372,16,133,259,897,84,368,656,112,468,828,57,299,423,52, %U A196180 580,180,704,55,341,55,99,145,481,627,871,312,364,143,645,184,72 %N A196180 Positive integers b for which there is a primitive 8-Pythagorean triple (a,b,c) satisfying a<=b. %C A196180 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196180 (See A196176.) %Y A196180 Cf. A195770, A196176, A196179, A196180, A196177. %K A196180 nonn %O A196180 1,1 %A A196180 _Clark Kimberling_, Sep 29 2011