%I #5 Mar 30 2012 18:56:47
%S 28,29,31,35,37,38,42,43,45,49,51,52,55,56,58,62,63,66,68,71,73,74,75,
%T 77,2197,2198,2200,2202,2203,2206,2207,2208,2210,2213,2223,2227,2231,
%U 2259,2263,2267,2271,2273,2274,2275,2277,2280
%N Numbers having, in base 3, (sum of even run lengths)=(sum of odd run lengths).
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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