%I #4 Mar 30 2012 18:56:20
%S 11,25,39,40,42,44,57,78,99,110,113,116,119,120,141,162,183,185,188,
%T 191,204,225,246,257,260,263,266,267,288,309,330,332,335,338,351,372,
%U 393,404,407,410,413,414,415,418,421,424,427,430
%N Position of n-th 6 in A031018.
%K nonn
%O 1,1
%A _Clark Kimberling_
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