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 A196270 #5 Mar 30 2012 18:57:49 %S A196270 4,5,10,320,22,198,160,143,32,130,128,128,476,57,133,138,32,300,276, %T A196270 150,87,775,160,60,544,33,63,85,255,52,110,64,185,260,42,410,860,740, %U A196270 91,215,140,238,385,893,532,826,64,192,160,742,143,704,111,145,341 %N A196270 Positive integers b for which there is a primitive (-1/4)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196270 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196270 (See A196266.) %Y A196270 Cf. A195770, A196266, A196269, A196271. %K A196270 nonn %O A196270 1,1 %A A196270 _Clark Kimberling_, Sep 30 2011