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%I #12 Mar 12 2022 13:04:08
%S 1,2,3,4,5,6,7,8,9,10,11,12,14,28,42,56,70,84,98,112,126,140,154,168,
%T 170,171,172,173,174,175,176,177,178,179,180,181,183,195,196,198,199,
%U 200,201,202,203,204,205,206,207,208,209,210
%N Numbers whose base-13 representation has an odd number of runs.
%t Select[Range[250],OddQ[Length[Split[IntegerDigits[#,13]]]]&] (* _Harvey P. Dale_, Jan 31 2016 *)
%K nonn,base
%O 1,2
%A _Clark Kimberling_
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