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%I #24 Apr 24 2021 21:10:02
%S 33,133,233,303,313,323,330,331,332,334,335,336,337,338,339,343,353,
%T 363,373,383,393,433,533,633,733,833,933,1033,1133,1233,1303,1313,
%U 1323,1330,1331,1332,1334,1335,1336,1337,1338,1339,1343
%N Numbers having two 3's in base 10.
%H Daniel Starodubtsev, <a href="/A043502/b043502.txt">Table of n, a(n) for n = 1..10000</a>
%t Select[Range[5000], DigitCount[#, 10, 3]==2&] (* _Vincenzo Librandi_, Jul 01 2015 *)
%Y Subsequence of A011533.
%K nonn,base
%O 1,1
%A _Clark Kimberling_