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Numbers having one 6 in base 9.
1

%I #10 Apr 24 2021 20:42:18

%S 6,15,24,33,42,51,54,55,56,57,58,59,61,62,69,78,87,96,105,114,123,132,

%T 135,136,137,138,139,140,142,143,150,159,168,177,186,195,204,213,216,

%U 217,218,219,220,221,223,224,231,240,249,258

%N Numbers having one 6 in base 9.

%t Select[Range[300],DigitCount[#,9,6]==1&] (* _Harvey P. Dale_, Feb 06 2019 *)

%Y Cf. A007095.

%K nonn,base

%O 1,1

%A _Clark Kimberling_