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 A196173 #5 Mar 30 2012 18:57:49 %S A196173 1,8,11,91,16,77,264,16,39,87,160,527,13,21,35,153,152,880,56,115,235, %T A196173 416,85,168,336,589,33,93,187,665,24,161,304,592,35,208,387,747,40,63, %U A196173 320,583,245,325,696,120,533,143,616,95,217,469,851,56,171,224 %N A196173 Positive integers b for which there is a primitive 7-Pythagorean triple (a,b,c) satisfying a<=b. %C A196173 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196173 (See A196169.) %Y A196173 Cf. A195770, A196169, A196172, A196174, A196170. %K A196173 nonn %O A196173 1,2 %A A196173 _Clark Kimberling_, Sep 29 2011