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 A197770 #12 Sep 08 2022 08:45:59
%S A197770 11,421,27911,2624603,318800201,47439020042,8353801755007,
%T A197770 1698808167100876,391746480089540116,101004512021025221013,
%U A197770 28791615763253886202481,8990685731188213404550239,3052132045866636492112058600,1119164206256115117485135326642,440822282742124422495281791483359
%N A197770 Ceiling((10*n+1/n)^n).
%H A197770 Vincenzo Librandi, <a href="/A197770/b197770.txt">Table of n, a(n) for n = 1..250</a>
%p A197770 A197770:=n->ceil((10*n+1/n)^n); seq(A197770(n), n=1..20); # _Wesley Ivan Hurt_, Jun 14 2014
%t A197770 Table[Ceiling[(10n+1/n)^n],{n,20}] (* _Harvey P. Dale_, Dec 03 2012 *)
%o A197770 (Magma) [Ceiling((10*n+1/n)^n): n in [1..20]]
%Y A197770 Cf. A014058, A197716, A197717, A197764, A197765, A197766.
%K A197770 nonn,easy
%O A197770 1,1
%A A197770 _Vincenzo Librandi_, Oct 19 2011