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%I #10 Jun 26 2021 20:29:03
%S 0,1,2,4,5,6,7,8,9,10,12,13,14,16,17,18,19,20,21,22,24,25,26,28,29,30,
%T 31,32,33,34,47,48,49,50,52,53,54,55,56,57,58,60,61,62,64,65,66,67,68,
%U 69,70,72,73,74,76,77,78,79,80,81,82,84,85,86,88,89,90,91,92,93
%N Numbers whose base-12 representation has the same number of 3's and 11's.
%K nonn,base,easy
%O 1,3
%A _Olivier Gérard_