A033055 - OEIS

%I #9 Feb 15 2021 22:31:22

%S 1,2,3,5,7,9,11,13,15,20,21,22,23,28,29,30,31,36,37,38,39,44,45,46,47,

%T 52,53,54,55,60,61,62,63,81,83,85,87,89,91,93,95,113,115,117,119,121,

%U 123,125,127,145,147,149,151,153,155,157,159

%N Numbers whose base-4 representation Sum_{i=0..m} d(i)*4^i has odd d(i) for all odd i.

%K nonn,base

%O 1,2

%A _Clark Kimberling_