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%I #12 Jul 13 2022 05:57:47
%S 13,31,37,39,85,91,93,109,111,117,247,253,255,271,273,279,325,327,333,
%T 351,733,739,741,757,759,765,811,813,819,837,973,975,981,999,1053,
%U 2191,2197,2199,2215,2217,2223,2269,2271,2277,2295,2431,2433,2439,2457,2511,2917
%N Sums of 3 distinct powers of 3.
%H Amiram Eldar, <a href="/A038465/b038465.txt">Table of n, a(n) for n = 1..10000</a>
%t Total/@Subsets[3^Range[0,10],{3}]//Union (* _Harvey P. Dale_, Jul 10 2017 *)
%Y Base 3 interpretation of A038445.
%Y Cf. A000244, A038464, A038466, A038467, A038468, A038469.
%K nonn,easy
%O 1,1
%A _Olivier Gérard_
%E Offset corrected by _Amiram Eldar_, Jul 13 2022
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