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Numbers having two 8's in base 9.
0

%I #10 Apr 24 2021 21:02:52

%S 80,161,242,323,404,485,566,647,656,665,674,683,692,701,710,719,720,

%T 721,722,723,724,725,726,727,809,890,971,1052,1133,1214,1295,1376,

%U 1385,1394,1403,1412,1421,1430,1439,1448,1449,1450,1451

%N Numbers having two 8's in base 9.

%t Select[Range[1500],DigitCount[#,9,8]==2&] (* _Harvey P. Dale_, Sep 27 2015 *)

%Y Cf. A007095.

%K nonn,base

%O 1,1

%A _Clark Kimberling_