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 A196256 #5 Mar 30 2012 18:57:49 %S A196256 6,84,12,52,19,119,576,64,192,550,21,160,156,222,32,123,663,288,39, %T A196256 207,68,736,85,210,460,46,590,96,315,64,672,140,189,434,224,192,319, %U A196256 90,147,855,84,806,252,333,738,384,154,396,517,224,480,234,133,175 %N A196256 Positive integers b for which there is a primitive (3/4)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196256 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196256 (See A196252.) %Y A196256 Cf. A195770, A196252, A196255, A196257. %K A196256 nonn %O A196256 1,1 %A A196256 _Clark Kimberling_, Sep 30 2011