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%I #12 Sep 08 2022 08:45:30
%S 9,41,243,1641,11810,88574,683282,5380841,43046721,348678441,
%T 2852823601,23535794707,195528140641,1634056603926,13726075472977,
%U 115813761803241,981010688215681,8338590849833285,71097458824894321
%N a(n) = ceiling(9^n/n).
%H Vincenzo Librandi, <a href="/A129793/b129793.txt">Table of n, a(n) for n = 1..1000</a>
%t Table[Ceiling[9^n/n],{n,20}] (* _Harvey P. Dale_, Oct 04 2016 *)
%o (Magma) [Ceiling(9^n/n):n in [1..20]]; // _Vincenzo Librandi_, Oct 03 2011
%Y Cf. A053638.
%K nonn,easy
%O 1,1
%A _Mohammad K. Azarian_, May 18 2007