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 A196117 #5 Mar 30 2012 18:57:49 %S A196117 11,31,61,19,101,29,151,41,211,281,79,71,361,89,451,59,109,551,131, %T A196117 661,179,781,181,911,209,239,319,149,271,341,209,379,121,499,419,461, %U A196117 551,139,719,599,359,649,701,191,241,979,449,811,869,929,991,251 %N A196117 Positive integers c for which there is a primitive 3-Pythagorean triple (a,b,c) satisfying a<=b. %C A196117 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196117 (See A196112.) %Y A196117 Cf. A195770, A196112, A196115, A196116, A196117. %K A196117 nonn %O A196117 1,1 %A A196117 _Clark Kimberling_, Sep 28 2011