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 A080752 #5 Mar 30 2012 17:27:18 %S A080752 1,8,10,12,14,16,18,19,20,21,22,23,24,25,26,27,28,29,31,33,35,37,39, %T A080752 41,43,45,47,49,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68, %U A080752 69,70,71,72,73,75,77,79,81,83,85,87,89,91,93,95,97,99,101,103,105,107,109 %N A080752 a(1)=1; a(2)=8; for n > 2, a(n) is smallest integer greater than a(n-1) that satisfies the condition "n is in the sequence if and only if a(n) is odd.". %C A080752 Increases according to a pattern analogous to the one for A079000. %H A080752 B. Cloitre, N. J. A. Sloane and M. J. Vandermast, <a href="http://www.cs.uwaterloo.ca/journals/JIS/index.html">Numerical analogues of Aronson's sequence</a>, J. Integer Seqs., Vol. 6 (2003), #03.2.2. %H A080752 B. Cloitre, N. J. A. Sloane and M. J. Vandermast, <a href="http://arXiv.org/abs/math.NT/0305308">Numerical analogues of Aronson's sequence</a> (math.NT/0305308) %Y A080752 Cf. A079000, A080731. %K A080752 easy,nonn %O A080752 1,2 %A A080752 _Matthew Vandermast_, Mar 08 2003