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 A080589 #10 Mar 30 2012 17:27:18 %S A080589 0,2,5,6,7,10,15,20,21,22,25,26,27,28,29,30,31,32,33,34,35,40,45,46, %T A080589 47,50,55,60,65,70,75,80,85,90,95,100,101,102,103,104,105,106,107,108, %U A080589 109,110,115,120,121,122,125,126,127,128,129,130,131,132,133,134,135,136 %N A080589 a(n) is smallest nonnegative integer which is consistent with sequence being monotonically increasing and satisfying a(a(n)) = 5n. %D A080589 J.-P. Allouche, N. Rampersad and J. Shallit, On integer sequences whose first iterates are linear, Aequationes Math. 69 (2005), 114-127 %H A080589 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 A080589 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) %H A080589 <a href="/index/Aa#aan">Index entries for sequences of the a(a(n)) = 2n family</a> %Y A080589 Cf. A079351. %K A080589 nonn,easy %O A080589 0,2 %A A080589 _N. J. A. Sloane_, Feb 23 2003 %E A080589 More terms from _Matthew Vandermast_, Mar 01 2003