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%I #10 Sep 08 2022 08:45:30
%S 9,40,243,1640,11809,88573,683281,5380840,43046721,348678440,
%T 2852823600,23535794706,195528140640,1634056603925,13726075472976,
%U 115813761803240,981010688215680,8338590849833284,71097458824894320
%N a(n) = floor(9^n/n).
%H Vincenzo Librandi, <a href="/A129799/b129799.txt">Table of n, a(n) for n = 1..300</a>
%o (Magma)[Floor(9^n / n): n in [1..25]]; // _Vincenzo Librandi_, May 08 2011
%Y Cf. A000799, A092763, A053638.
%K nonn
%O 1,1
%A _Mohammad K. Azarian_, May 18 2007