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A039530 Numbers whose base-12 representation has the same nonzero number of 3's and 11's. 0

%I

%S 47,135,191,279,335,423,443,455,467,491,503,515,527,539,551,563,564,

%T 565,566,568,569,570,571,572,573,574,623,711,767,855,911,999,1055,

%U 1143,1199,1287,1343,1431,1487,1575,1587,1599,1611,1620,1621,1622

%N Numbers whose base-12 representation has the same nonzero number of 3's and 11's.

%t Select[Range[2000],DigitCount[#,12,3]==DigitCount[#,12,11]>0&] (* _Harvey P. Dale_, Jan 08 2015 *)

%K nonn,base,easy

%O 1,1

%A _Olivier GĂ©rard_

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Last modified August 18 16:51 EDT 2022. Contains 356215 sequences. (Running on oeis4.)