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 A196370 #5 Mar 30 2012 18:57:49 %S A196370 3,6,8,9,16,12,15,39,16,18,32,21,24,72,21,24,33,24,27,35,48,115,30,78, %T A196370 33,48,168,32,36,64,39,63,231,42,48,144,40,45,56,80,117,304,42,45,48, %U A196370 66,105,51,99,387,48,54,70,96,230,57,120,480,60,156,55,56,63,72 %N A196370 Positive integers b for which there is a (-3)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196370 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196370 (See A196369.) %Y A196370 Cf. A195770, A196369, A196371, A196372, A196373. %K A196370 nonn %O A196370 1,1 %A A196370 _Clark Kimberling_, Oct 01 2011