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Numbers whose base-6 representation has the same nonzero number of 3's and 4's.
0

%I #12 Jun 20 2021 08:27:01

%S 22,27,58,63,94,99,112,118,124,132,133,134,137,142,147,153,159,162,

%T 163,164,167,177,202,207,238,243,274,279,310,315,328,334,340,348,349,

%U 350,353,358,363,369,375,378,379,380,383,393,418,423,454,459,490,495

%N Numbers whose base-6 representation has the same nonzero number of 3's and 4's.

%t Select[Range[500],DigitCount[#,6,3]==DigitCount[#,6,4]>0&] (* _Harvey P. Dale_, Jun 12 2019 *)

%K nonn,base,easy

%O 1,1

%A _Olivier GĂ©rard_