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 A196120 #8 Mar 30 2012 18:57:49 %S A196120 8,5,28,16,12,60,10,33,24,104,56,40,160,15,32,85,60,228,24,120,40,84, %T A196120 308,20,35,66,161,112,400,48,208,144,504,25,39,63,112,261,36,56,180, %U A196120 620,80,320,220,748,30,64,99,170,385,140,264,888,120,456,72,312 %N A196120 Positive integers b for which there is a 4-Pythagorean triple (a,b,c) satisfying a<=b. %C A196120 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196120 (See A196119.) %Y A196120 Cf. A195770, A196123. %K A196120 nonn %O A196120 1,1 %A A196120 _Clark Kimberling_, Sep 28 2011