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 A118614 #11 Jun 09 2024 18:31:16 %S A118614 1,29,120,49,122,249,970,107,729,955,587,813,346,671,204,430,62,54,73, %T A118614 65,84,76,95,87,106,629,954,487,812,246,670,104,429,952,287,810,46,92, %U A118614 57,103,329,951,187,809,936,667,794,525,553,383,411,142,269,990,127,749 %N A118614 Start with 1 and repeatedly reverse the digits and add 28 to get the next term. %C A118614 After 31 steps enters a cycle of length 36. %H A118614 Harvey P. Dale, <a href="/A118614/b118614.txt">Table of n, a(n) for n = 1..1000</a> %H A118614 N. J. A. Sloane and others, <a href="/wiki/Sequences_of_RADD_type">Sequences of RADD type</a>, OEIS wiki. %H A118614 <a href="/index/Rec#order_36">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, 1). %t A118614 NestList[IntegerReverse[#]+28&,1,80] (* _Harvey P. Dale_, Jun 09 2024 *) %Y A118614 Cf. A117828, A117816, A117817. %K A118614 base,nonn %O A118614 1,2 %A A118614 Luc Stevens (lms022(AT)yahoo.com), May 08 2006