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%I #4 Mar 30 2012 18:56:49
%S 0,0,0,0,1,0,0,0,0,1,0,0,0,0,1,1,0,0,0,1,0,1,1,0,0,1,0,0,0,0,1,1,0,0,
%T 0,0,1,0,0,1,1,0,1,0,0,0,1,1,0,0,0,0,1,0,0,0,0,1,0,1,1,1,0,0,1,1,1,0,
%U 1,0,0,0,0,1,0,0,0,0,1,2,1,1,1,0,1,0,0,1,1,2
%N Runs of even length in the base 4 representation of n.
%K nonn,base
%O 1,80
%A _Clark Kimberling_