%I #10 Apr 24 2021 20:41:06
%S 4920,11481,18042,24603,31164,37725,39912,40641,41370,42099,42828,
%T 43557,43800,43881,43962,44043,44124,44205,44232,44241,44250,44259,
%U 44268,44277,44280,44281,44282,44283,44284,44285,44287
%N Numbers having four 6's in base 9.
%t Select[Range[50000],DigitCount[#,9,6]==4&] (* _Harvey P. Dale_, Dec 19 2014 *)
%Y Cf. A007095.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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