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 A196378 #5 Mar 30 2012 18:57:49 %S A196378 1,2,3,13,1,4,11,5,11,37,6,26,7,23,73,2,8,13,22,47,9,39,121,10,22,74, %T A196378 11,59,181,3,12,23,33,52,107,13,83,253,14,46,146,1,15,33,65,111,337,4, %U A196378 16,26,44,61,94,191,17,143,433,18,78,242,19,179,541,5,13,20,44 %N A196378 Positive integers c for which there is a (-4)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196378 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A196378 (See A196376.) %Y A196378 Cf. A195770, A196376, A196377, A196379, A196380. %K A196378 nonn %O A196378 1,2 %A A196378 _Clark Kimberling_, Oct 01 2011