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 A002241 #11 Oct 14 2023 16:33:53
%S A002241 0,1,4201,94095,6758401,5265679,67166406,942574282,4281473701,
%T A002241 1044876843,1,10642473952,42246371916,948194858731,679456452982,
%U A002241 526093056675,6777261159901,9440093995102,4266227640753,1087526601316,4201,10287908897661,42419722995562
%N A002241 10th powers written backwards.
%H A002241 Alois P. Heinz, <a href="/A002241/b002241.txt">Table of n, a(n) for n = 0..10000</a>
%p A002241 a:= n-> (s-> parse(cat(s[-i]$i=1..length(s))))(""||(n^10)):
%p A002241 seq(a(n), n=0..50); # _Alois P. Heinz_, Apr 09 2015
%K A002241 nonn,base
%O A002241 0,3
%A A002241 _N. J. A. Sloane_