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Numbers whose base-11 representation has the same number of 2's and 7's.
0

%I #9 Jun 26 2021 06:47:31

%S 0,1,3,4,5,6,8,9,10,11,12,14,15,16,17,19,20,21,29,33,34,36,37,38,39,

%T 41,42,43,44,45,47,48,49,50,52,53,54,55,56,58,59,60,61,63,64,65,66,67,

%U 69,70,71,72,74,75,76,79,88,89,91,92,93,94,96,97,98,99,100,102,103

%N Numbers whose base-11 representation has the same number of 2's and 7's.

%K nonn,base,easy

%O 1,3

%A _Olivier GĂ©rard_