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%I #23 Apr 24 2021 21:29:40
%S 3333,13333,23333,30333,31333,32333,33033,33133,33233,33303,33313,
%T 33323,33330,33331,33332,33334,33335,33336,33337,33338,33339,33343,
%U 33353,33363,33373,33383,33393,33433,33533,33633,33733
%N Numbers having four 3's in base 10.
%H Daniel Starodubtsev, <a href="/A043504/b043504.txt">Table of n, a(n) for n = 1..10000</a>
%t Select[Range[34000],DigitCount[#,10,3]==4&] (* _Harvey P. Dale_, Feb 02 2011 *)
%Y Subsequence of A011533.
%K nonn,base
%O 1,1
%A _Clark Kimberling_