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 A196187 #5 Mar 30 2012 18:57:49 %S A196187 15,5,8,13,160,24,48,459,57,15,45,273,104,184,285,240,408,17,112,329, %T A196187 416,553,21,51,111,432,720,24,549,680,851,48,825,155,209,295,589,63, %U A196187 80,99,120,315,567,200,792,195,40,145,224,305,123,153,531,255,288 %N A196187 Positive integers b for which there is a primitive 9-Pythagorean triple (a,b,c) satisfying a<=b. %C A196187 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196187 (See A196183.) %Y A196187 Cf. A195770, A196183, A196186, A196188, A196184. %K A196187 nonn %O A196187 1,1 %A A196187 _Clark Kimberling_, Sep 29 2011