A043709 - OEIS

%I #8 Jun 18 2021 23:04:37

%S 1,2,3,4,5,7,14,21,28,35,37,38,39,40,41,43,48,49,51,52,53,54,55,56,58,

%T 59,60,61,62,63,65,66,67,68,69,70,73,74,75,76,77,78,80,81,82,83,86,90,

%U 91,92,94,95,96,97,98,99,101,102,103,104

%N Numbers whose base-6 representation has an odd number of runs.

%K nonn,base

%O 1,2

%A _Clark Kimberling_