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%I #13 Apr 13 2022 10:29:19
%S 1,1,2,2,3,4,5,7,9,12,16,21,27,36,47,62,81,107,140,185,243,320,421,
%T 554,729,959,1263,1662,2187,2878,3788,4985,6561,8635,11364,14956,
%U 19683,25904,34092,44868,59049,77713
%N Powers of fourth root of 3 rounded to nearest integer.
%H Vincenzo Librandi, <a href="/A018052/b018052.txt">Table of n, a(n) for n = 0..1000</a>
%t Floor[# + 1/2]&/@((Power[3, (4)^-1])^Range[0, 50]) (* _Vincenzo Librandi_, Apr 13 2017 *)
%t Round[Surd[3,4]^Range[0,50]] (* _Harvey P. Dale_, Apr 13 2022 *)
%Y Cf. A011002, A018053.
%K nonn
%O 0,3
%A _N. J. A. Sloane_.
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