A043714 - OEIS

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A043714

Numbers whose base-11 representation has an odd number of runs.

%I #10 Jun 18 2021 23:07:35

%S 1,2,3,4,5,6,7,8,9,10,12,24,36,48,60,72,84,96,108,120,122,123,124,125,

%T 126,127,128,129,130,131,133,143,144,146,147,148,149,150,151,152,153,

%U 154,155,156,158,159,160,161,162,163,164,165

%N Numbers whose base-11 representation has an odd number of runs.

%t Select[Range[200],OddQ[Length[Split[IntegerDigits[#,11]]]]&] (* _Harvey P. Dale_, Nov 17 2018 *)

%K nonn,base

%O 1,2

%A _Clark Kimberling_