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 A013832 #25 Sep 08 2022 08:44:38 %S A013832 64,65536,67108864,68719476736,70368744177664,72057594037927936, %T A013832 73786976294838206464,75557863725914323419136, %U A013832 77371252455336267181195264,79228162514264337593543950336,81129638414606681695789005144064 %N A013832 a(n) = 4^(5*n + 3). %H A013832 Vincenzo Librandi, <a href="/A013832/b013832.txt">Table of n, a(n) for n = 0..100</a> %H A013832 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a> %H A013832 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1024). %F A013832 From _Philippe Deléham_, Nov 30 2008: (Start) %F A013832 a(n) = 1024*a(n-1); a(0)=64. %F A013832 G.f.: 64/(1-1024*x). %F A013832 a(n) = 4*A013831(n). (End) %t A013832 4^(5*Range[0,20]+3) (* or *) NestList[1024#&,64,20] (* _Harvey P. Dale_, May 28 2013 *) %o A013832 (Magma) [4^(5*n+3): n in [0..15]]; // _Vincenzo Librandi_, Jul 07 2011 %o A013832 (Maxima) makelist(4^(5*n+3),n,0,20); /* _Martin Ettl_, Oct 21 2012 */ %o A013832 (PARI) a(n)=4^(5*n+3) \\ _Charles R Greathouse IV_, Jul 11 2016 %K A013832 nonn,easy %O A013832 0,1 %A A013832 _N. J. A. Sloane_