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 A195870 #10 Nov 05 2012 07:18:09 %S A195870 7,19,13,37,61,31,91,43,127,169,49,73,217,91,271,331,133,397,109,157, %T A195870 469,547,211,631,241,721,67,193,817,307,343,79,103,301,421,463 %N A195870 Positive integers c for which there is a primitive 1-Pythagorean triple (a,b,c) satisfying a<=b. %C A195870 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A195870 (See A195770.) %Y A195870 Cf. A195770, A195868. %K A195870 nonn %O A195870 1,1 %A A195870 _Clark Kimberling_, Sep 25 2011