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 A013903 #18 Sep 08 2022 08:44:38 %S A013903 484,2494357888,12855002631049216,66249952919459433152512, %T A013903 341427877364219557396646723584,1759593634476317566025195247357657088, %U A013903 9068298061633453450429559033030337013743616,46734671075972137972644189178514201804813539213312 %N A013903 a(n) = 22^(5*n + 2). %H A013903 Vincenzo Librandi, <a href="/A013903/b013903.txt">Table of n, a(n) for n = 0..50</a> %H A013903 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a> %H A013903 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (5153632). %F A013903 a(n) = 5153632*a(n-1), a(0)=484. - _Vincenzo Librandi_, May 28 2011 %t A013903 NestList[5153632#&,484,20] (* _Harvey P. Dale_, Jul 21 2021 *) %o A013903 (Magma) [22^(5*n+2): n in [0..10]]; // _Vincenzo Librandi_, May 28 2011 %Y A013903 Cf. A009966. %K A013903 nonn %O A013903 0,1 %A A013903 _N. J. A. Sloane_