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%I #10 Jun 18 2021 22:36:46
%S 13,15,16,17,18,19,20,21,22,23,24,25,26,27,29,30,31,32,33,34,35,36,37,
%T 38,39,40,41,43,44,45,46,47,48,49,50,51,52,53,54,55,57,58,59,60,61,62,
%U 63,64,65,66,67,68,69,71,72,73,74,75,76,77
%N Numbers whose base-13 representation has an even number of runs.
%t Select[Range[100],EvenQ[Length[Split[IntegerDigits[#,13]]]]&] (* _Harvey P. Dale_, Aug 22 2015 *)
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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