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 A013904 #16 Sep 08 2022 08:44:38 %S A013904 10648,54875873536,282810057883082752,1457498964228107529355264, %T A013904 7511413302012830262726227918848, %U A013904 38711059958478986452554295441868455936,199502557355935975909450298726667414302359552,1028162763671387035398172161927312439705897862692864 %N A013904 a(n) = 22^(5*n + 3). %H A013904 Vincenzo Librandi, <a href="/A013904/b013904.txt">Table of n, a(n) for n = 0..50</a> %H A013904 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a> %H A013904 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (5153632). %F A013904 a(n) = 5153632*a(n-1), a(0)=10648. - _Vincenzo Librandi_, May 28 2011 %o A013904 (Magma) [22^(5*n+3): n in [0..10]]; // _Vincenzo Librandi_, May 28 2011 %Y A013904 Cf. A009966. %K A013904 nonn %O A013904 0,1 %A A013904 _N. J. A. Sloane_