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 A196089 #5 Mar 30 2012 18:57:49 %S A196089 39,17,144,78,56,45,34,315,117,24,552,288,51,200,156,45,112,90,305,72, %T A196089 195,68,432,57,333,105,234,85,168,581,48,144,135,273,576,189,102,400, %U A196089 63,312,90,240,224,80,119,351,180,297,72,144,390,360,136,335,91 %N A196089 Positive integers b for which there is a (5/3)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196089 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196089 (See A196088.) %Y A196089 Cf. A195770, A196088, A196090, A196092. %K A196089 nonn %O A196089 1,1 %A A196089 _Clark Kimberling_, Sep 27 2011