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%I #5 Sep 17 2021 16:16:35
%S 7,10,11,14,16,18,25,27,39,45,63,77,81,99,105,135,182,270,819,1365,
%T 1392,1638,4250,15631,21275,63767,122944,161257,203203,446369,936100,
%U 1128799,1773827,2808300
%N Positions of 3's in A347381.
%H <a href="/index/Pri#prime_indices">Index entries for sequences computed from indices in prime factorization</a>
%H <a href="/index/Si#SIGMAN">Index entries for sequences related to sigma(n)</a>
%Y Cf. A347381.
%Y Cf. also A046060, A336702, A347391, A347392, A347394.
%K nonn
%O 1,1
%A _Antti Karttunen_, Aug 31 2021
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