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 A196157 #5 Mar 30 2012 18:57:49 %S A196157 5,10,15,47,20,17,25,43,131,30,94,35,85,257,25,40,83,45,59,141,425,34, %T A196157 50,86,262,55,89,211,635,60,188,37,65,125,295,887,70,170,514,41,51,75, %U A196157 129,167,235,393,50,80,109,166,335,67,85,215,505,90,118,282,850 %N A196157 Positive integers c for which there is a 5-Pythagorean triple (a,b,c) satisfying a<=b. %C A196157 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196157 (See A196155.) %Y A196157 Cf. A195770, A196155, A196156, A196157, A196158. %K A196157 nonn %O A196157 1,1 %A A196157 _Clark Kimberling_, Sep 28 2011