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 A118632 #8 May 08 2017 15:03:06 %S A118632 1,36,98,124,456,689,1021,1236,6356,6571,1791,2006,6037,7341,1472, %T A118632 2776,6807,7121,1252,2556,6587,7891,2022,2237,7357,7572,2792,3007, %U A118632 7038,8342,2473,3777,7808,8122,2253,3557,7588,8892,3023,3238,8358,8573,3793,4008 %N A118632 Start with 1 and repeatedly reverse the digits and add 35 to get the next term. %C A118632 After 4 steps enters a cycle of length 72. %H A118632 N. J. A. Sloane and others, <a href="/wiki/Sequences_of_RADD_type">Sequences of RADD type</a>, OEIS wiki. %H A118632 <a href="/index/Rec#order_72">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1). %t A118632 NestList[IntegerReverse[#]+35&,1,50] (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, May 08 2017 *) %Y A118632 Cf. A117828, A117816, A117817. %K A118632 base,nonn %O A118632 1,2 %A A118632 Luc Stevens (lms022(AT)yahoo.com), May 09 2006