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 A096829 #3 Mar 30 2012 17:27:19
%S A096829 3,4,5,6,7,8,9,12,14,15,18,19,20,21,22,23,24,25
%N A096829 Numbers that can appear an infinite number of times in a variation of A097390.
%e A096829 The number 12 appears infinitely often in any sequence based on a variation of the A097390 sentence ("This sentence contains the twentieth, eighth, ninth ... letters of the English alphabet, in order") that contains a "k" or "l" in the prologue (e.g. "This sentence, amazingly, contains the twentieth, eighth, ninth ..."). Otherwise, it does not appear at all. The other members of the sequence must appear infinitely often in any sequence based on any English variation of A097390 that generates an infinite string of ordinal number-words (cf. A096828).
%Y A096829 Cf. A005224, A097389, A097390, A096828, A097395.
%K A096829 fini,full,nonn,word
%O A096829 1,1
%A A096829 _Matthew Vandermast_, Aug 13 2004