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 A166527 #2 Mar 30 2012 18:52:04 %S A166527 1,2,3,4,6,7,8,9,10,11,15,16,17,18,19,20,21,22,24,26,28,29,30,32,33, %T A166527 35,36,37,39,43,45,46,47,48,49,50,51,52,53,54,55,56,60,62,66,67,68,69, %U A166527 70,71,72,73,74,75,76,77,78,79,81,83,87,89,91,92,93,95,98,99,102,104,105 %N A166527 Complement of A076537. %K A166527 nonn %O A166527 1,2 %A A166527 _Paul Curtz_, Oct 16 2009