%I #9 Apr 25 2021 12:10:41
%S 12,14,15,16,17,18,19,20,21,22,23,24,25,27,28,29,30,31,32,33,34,35,36,
%T 37,38,40,41,42,43,44,45,46,47,48,49,50,51,53,54,55,56,57,58,59,60,61,
%U 62,63,64,66,67,68,69,70,71,72,73,74,75,76
%N Numbers whose base-12 representation has exactly 2 runs.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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