%I #2 Mar 30 2012 17:26:34
%S 7,23,11,17,31,19,47,41,71,17,79,23,43,103,31,73,127,59,23,89,151,67,
%T 97,29,167,47,41,113,191,83,31,199,37,223,137,239,107,71,263,271,79,
%U 47,53,131,311,73,193,139,43,61,359,367,103,163,383,89,233,41,241,179,97,257
%N a(n) = larger prime factor of A175461(n).
%Y Cf. A175461, A175482.
%K nonn
%O 1,1
%A _Zak Seidov_, May 27 2010