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 A195874 #5 Mar 30 2012 18:57:48 %S A195874 2,4,6,8,10,47,8,12,34,14,31,16,18,31,152,20,32,94,17,22,76,16,24,68, %T A195874 26,64,317,28,38,62,184,19,30,141,23,32,61,34,109,542,24,36,62,102, %U A195874 304,38,47,226,40,64,188,42,93,166,34,44,92,152,454,46,68,331,32 %N A195874 Positive integers c for which there is a (-1/2)-Pythagorean triple (a,b,c) satisfying a<=b. %C A195874 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A195874 (See A195872.) %Y A195874 Cf. A195770, A195872. %K A195874 nonn %O A195874 1,1 %A A195874 _Clark Kimberling_, Sep 25 2011