%I #8 Sep 03 2022 22:06:51
%S 1,2,3,4,6,9,14,22,34,53,81,126,196,303,470,729,1132,1756,2725,4228,
%T 6561,10182,15801,24520,38051,59049,91635,142204,220678,342458,531441,
%U 824715,1279830,1986098,3082117,4782969
%N Powers of the fifth root of 9 rounded up.
%H Harvey P. Dale, <a href="/A018140/b018140.txt">Table of n, a(n) for n = 0..1000</a>
%F a(n) = ceiling(9^(n/5)).  _Wesley Ivan Hurt_, Sep 03 2022
%t Ceiling[(9^(1/5))^Range[0,40]] (* _Harvey P. Dale_, Jun 04 2012 *)
%K nonn
%O 0,2
%A _N. J. A. Sloane_.
