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 A196394 #5 Mar 30 2012 18:57:50 %S A196394 6,15,20,28,45,42,66,35,91,72,120,153,110,190,63,231,156,276,77,325, %T A196394 210,378,99,435,88,104,272,496,561,342,630,143,703,420,780,117,861, %U A196394 130,170,506,195,600,209,702,255,812,165,187,299,323,238,350,399,204 %N A196394 Positive integers b for which there is a primitive (-6)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196394 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196394 (See A196390.) %Y A196394 Cf. A195770, A196390, A196393, A196395, A196391. %K A196394 nonn %O A196394 1,1 %A A196394 _Clark Kimberling_, Oct 01 2011