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%I #2 Mar 30 2012 17:26:34
%S 5,13,9,11,17,13,25,23,37,15,41,17,25,53,21,39,65,33,21,47,77,37,51,
%T 23,85,29,27,59,97,45,25,101,27,113,71,121,57,41,133,137,45,33,35,69,
%U 157,43,99,73,33,39,181,185,57,85,193,51,119,35,123,93,55,131,217,221,37,45
%N a(n) = (1/2)*(A175482(n)+A175483(n)).
%Y Cf. A175461, A175482, A175483.
%K nonn
%O 1,1
%A _Zak Seidov_, May 27 2010