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 A196174 #5 Mar 30 2012 18:57:49 %S A196174 3,11,19,101,29,93,281,33,59,109,183,551,31,41,57,179,181,911,87,149, %T A196174 271,453,123,209,379,633,71,139,237,719,61,213,359,649,79,267,449,811, %U A196174 89,121,393,659,319,401,779,199,627,229,717,177,311,571,957,131 %N A196174 Positive integers c for which there is a primitive 7-Pythagorean triple (a,b,c) satisfying a<=b. %C A196174 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196174 (See A196169.) %Y A196174 Cf. A195770, A196169, A196177, A196173. %K A196174 nonn %O A196174 1,1 %A A196174 _Clark Kimberling_, Sep 29 2011