%I #9 Feb 12 2021 22:03:26
%S 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,32,48,64,80,96,112,128,144,
%T 160,176,192,208,224,240,256,257,258,259,260,261,262,263,264,265,266,
%U 267,268,269,270,271,512,513,514,515,516,517,518
%N Numbers whose base-16 representation Sum_{i=0..m} d(i)*16^i has d(i)=0 for all odd i.
%K nonn,base
%O 1,2
%A _Clark Kimberling_