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 A013892 #20 Sep 08 2022 08:44:38 %S A013892 6859,16983563041,42052983462257059,104127350297911241532841, %T A013892 257829627945307727248226067259,638411683925748518131605316913942641, %U A013892 1580770532156861979997149793605296459437459,3914144333903073791808962606796280957916632792441 %N A013892 a(n) = 19^(5*n + 3). %H A013892 Vincenzo Librandi, <a href="/A013892/b013892.txt">Table of n, a(n) for n = 0..50</a> %H A013892 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a> %H A013892 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (2476099). %F A013892 a(n) = 2476099*a(n-1), a(0)=6859. - _Vincenzo Librandi_, May 27 2011 %t A013892 19^(5*Range[0,10]+3) (* or *) NestList[2476099#&,6859,10] (* _Harvey P. Dale_, Apr 20 2013 *) %o A013892 (Magma) [19^(5*n+3): n in [0..10]]; // _Vincenzo Librandi_, May 27 2011 %Y A013892 Cf. A001029. %K A013892 nonn %O A013892 0,1 %A A013892 _N. J. A. Sloane_