%I #4 Mar 30 2012 18:56:20
%S 7,23,39,55,71,87,103,104,106,108,110,112,114,116,118,119,143,167,191,
%T 215,239,263,287,289,292,295,298,301,304,307,310,311,335,359,383,407,
%U 431,455,479,481,484,487,490,493,496,499,502
%N Position of n-th 7 in A031035.
%K nonn
%O 1,1
%A _Clark Kimberling_
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