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A039356 Numbers whose base-8 representation has the same nonzero number of 6's and 7's. 1

%I

%S 55,62,119,126,183,190,247,254,311,318,375,382,391,399,407,415,423,

%T 431,440,441,442,443,444,445,454,462,470,478,486,494,496,497,498,499,

%U 500,501,567,574,631,638,695,702,759,766,823,830,887,894,903,911,919

%N Numbers whose base-8 representation has the same nonzero number of 6's and 7's.

%H Harvey P. Dale, <a href="/A039356/b039356.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Range[1000],DigitCount[#,8,6]==DigitCount[#,8,7]>0&] (* _Harvey P. Dale_, Jun 01 2012 *)

%Y Cf. A007094.

%K nonn,base,easy

%O 1,1

%A _Olivier GĂ©rard_

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Last modified October 24 05:19 EDT 2021. Contains 348217 sequences. (Running on oeis4.)