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 A177859 #2 Mar 31 2012 10:22:16 %S A177859 1,2,5,6,7,9,10,12,14,16,18,19,20,21,22,23,25,27,28,29,30,31,33,34,36, %T A177859 38,39,40,41,42,43,44,45,47,50,51,52,53,54,55,56,57,58,59,60,61,62,64, %U A177859 66,67,69,70,71,72,73,74,75,76,77,78,79,82,83,84,85,86,87,88,90,91,92 %N A177859 Complement of A152412. %Y A177859 Cf. A152412, A177760, A177761, A177763, A177764, A177765. %K A177859 nonn %O A177859 1,2 %A A177859 _Artur Jasinski_, May 14 2010