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 A244569 #9 Feb 04 2015 15:05:36 %S A244569 1,1,2,1,3,1,2,1,4,1,2,3,3,1,2,1,5,1,2,1,1,1,5,1,1,1,1,1,1,1,1,1,1,6, %T A244569 1,1,1,1,1,1,1,1,1,1,9,1,1,1,1,1,1,1,1,1,1,7,1,1,1,1,1,1,1,1,1,1,12,1, %U A244569 1,1,1,1,1,1,1,1,1,12,1,1,1,1,1,1,1,1,1,1,17 %N A244569 Number of values s such that n is in the trajectory of the 'Reverse and Add!' sequence starting with s. %H A244569 Alois P. Heinz, <a href="/A244569/b244569.txt">Table of n, a(n) for n = 0..20000</a> %Y A244569 Row lengths of A244567. %Y A244569 Cf. A001127, A033648, A033670, A006960, A004086, A244568. %K A244569 nonn,look %O A244569 0,3 %A A244569 _Alois P. Heinz_, Jun 30 2014