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 A196090 #5 Mar 30 2012 18:57:49 %S A196090 45,25,155,90,69,59,50,331,135,45,573,310,75,223,180,71,138,118,333, %T A196090 103,225,100,465,93,367,141,270,125,207,619,90,185,177,315,620,235, %U A196090 150,446,113,360,142,291,276,137,175,405,236,353,135,206,450,421,200 %N A196090 Positive integers c for which there is a (5/3)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196090 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196090 (See A196088.) %Y A196090 Cf. A195770, A196088, A196093. %K A196090 nonn %O A196090 1,1 %A A196090 _Clark Kimberling_, Sep 27 2011