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 A118163 #9 Jun 04 2022 21:35:29 %S A118163 1,66,131,196,756,722,292,357,818,883,453,419,979,1044,4466,6709,9141, %T A118163 1484,4906,6159,9581,1924,4356,6599,10021,12066,66086,68131,13251, %U A118163 15296,69316,61461,16481,18526,62646,64691,19711,11856,65876,67921,13041 %N A118163 Start with 1 and repeatedly reverse the digits and add 65 to get the next term. %C A118163 After 1575 steps enters a cycle of 36. %H A118163 N. J. A. Sloane and others, <a href="/wiki/Sequences_of_RADD_type">Sequences of RADD type</a>, OEIS wiki. %t A118163 NestList[65+IntegerReverse[#]&,1,50] (* _Harvey P. Dale_, Jul 31 2021 *) %Y A118163 Cf. A117828, A117816, A117817. %K A118163 base,nonn,less %O A118163 1,2 %A A118163 Luc Stevens (lms022(AT)yahoo.com), May 14 2006