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 A196374 #5 Mar 30 2012 18:57:49 %S A196374 1,1,11,31,11,61,1,19,19,101,29,151,41,211,29,281,11,79,71,361,89,451, %T A196374 1,59,109,551,131,661,11,31,41,179,781,181,209,239,59,319,19,149,271, %U A196374 19,341,31,209,379,121,499,419,461,11,551,29,71,139,719,599,61 %N A196374 Positive integers c for which there is a primitive (-3)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196374 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196374 (See A196369.) %Y A196374 Cf. A195770, A196369, A196372, A196373, A196371. %K A196374 nonn %O A196374 1,3 %A A196374 _Clark Kimberling_, Oct 01 2011