%I #9 Apr 21 2021 04:24:47
%S 1,2,3,4,5,6,7,8,9,10,11,144,157,170,183,196,209,222,235,248,261,274,
%T 287,288,301,314,327,340,353,366,379,392,405,418,431,432,445,458,471,
%U 484,497,510,523,536,549,562,575,576,589,602
%N Numbers whose base-12 run lengths alternate: odd, even, odd, ...
%K nonn,base
%O 1,2
%A _Clark Kimberling_