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 A197983 #11 Jun 02 2025 05:17:50
%S A197983 11,420,27910,2624603,318800200,47439020042,8353801755006,
%T A197983 1698808167100876,391746480089540115,101004512021025221012,
%U A197983 28791615763253886202480,8990685731188213404550239,3052132045866636492112058599
%N A197983 Round((10*n+1/n)^n).
%H A197983 Vincenzo Librandi, <a href="/A197983/b197983.txt">Table of n, a(n) for n = 1..250</a>
%t A197983 Table[Floor[1/2+(10n+1/n)^n],{n,20}] (* _Harvey P. Dale_, May 02 2012 *)
%o A197983 (Magma) [Round((10*n+1/n)^n): n in [1..20]]
%Y A197983 Cf. A014056, A197599
%K A197983 nonn
%O A197983 1,1
%A A197983 _Vincenzo Librandi_, Oct 20 2011