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 A129791 #12 Sep 08 2022 08:45:30
%S A129791 7,25,115,601,3362,19609,117649,720601,4483735,28247525,179756977,
%T A129791 1153440601,7453000801,48444505204,316504100663,2077058160601,
%U A129791 13684147881601,90467422106137,599941851861745,3989613314880601
%N A129791 a(n) = ceiling(7^n/n).
%H A129791 Vincenzo Librandi, <a href="/A129791/b129791.txt">Table of n, a(n) for n = 1..1000</a>
%t A129791 Table[Ceiling[7^n/n],{n,20}] (* _Harvey P. Dale_, May 22 2020 *)
%o A129791 (Magma) [Ceiling(7^n/n):n in [1..20]]; // _Vincenzo Librandi_, Oct 03 2011
%Y A129791 Cf. A053638.
%K A129791 nonn,easy
%O A129791 1,1
%A A129791 _Mohammad K. Azarian_, May 18 2007