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 A197984 #10 Jun 02 2025 05:17:55
%S A197984 12,506,37037,3834009,512501792,83914215402,16258109291002,
%T A197984 3637416562713075,922786228220640101,261741863272493596614,
%U A197984 82078032321730681299097,28195269239973685901676782,10529425953839699619063326836
%N A197984 Round((11*n+1/n)^n).
%H A197984 Vincenzo Librandi, <a href="/A197984/b197984.txt">Table of n, a(n) for n = 1..250</a>
%t A197984 Table[Round[(11n+1/n)^n],{n,20}] (* _Harvey P. Dale_, May 07 2021 *)
%o A197984 (Magma) [Round((11*n+1/n)^n): n in [1..20]]
%Y A197984 Cf. A014056, A197600
%K A197984 nonn
%O A197984 1,1
%A A197984 _Vincenzo Librandi_, Oct 20 2011