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 A118293 #4 May 26 2014 23:48:47 %S A118293 18,82,29,93,40,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2, %T A118293 3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8, %U A118293 9,10,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2,3,4,5,6 %N A118293 Start with 18 and repeatedly reverse the digits and add 1 to get the next term. %C A118293 After 5 steps enters a cycle of length 9. %H A118293 N. J. A. Sloane and others, <a href="/wiki/Sequences_of_RADD_type">Sequences of RADD type</a>, OEIS wiki. %Y A118293 Cf. A118551. %K A118293 base,nonn %O A118293 1,1 %A A118293 Luc Stevens (lms022(AT)yahoo.com), May 14 2006