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%I #4 Mar 30 2012 18:56:19
%S 1,5,7,21,50,51,52,142,166,219,243,252,255,261,299,327,330,331,337,
%T 340,374,376,381,384,427,430,476,479,524,528,531,586,589,628,639,647,
%U 650,696,702,704,710,713,777,780,849
%N s(n)=3, where s=A030727.
%K nonn
%O 1,2
%A _Clark Kimberling_
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