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Numbers whose base-10 representation has the same number of 0's and 1's.
0

%I #12 Jun 26 2021 01:54:41

%S 2,3,4,5,6,7,8,9,10,22,23,24,25,26,27,28,29,32,33,34,35,36,37,38,39,

%T 42,43,44,45,46,47,48,49,52,53,54,55,56,57,58,59,62,63,64,65,66,67,68,

%U 69,72,73,74,75,76,77,78,79,82,83,84,85,86,87,88,89,92,93,94,95,96

%N Numbers whose base-10 representation has the same number of 0's and 1's.

%t Select[Range[100], DigitCount[#, 10, 1] == DigitCount[#, 10, 0] &] (* _Harvey P. Dale_, Oct 26 2015 *)

%K nonn,base,easy

%O 1,1

%A _Olivier GĂ©rard_