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%I #4 Mar 30 2012 17:26:27
%S 3,5,6,12,21,24,31,36,42,45,55,60,61,87,102,104,110,116,120,132,153,
%T 163,168,186,193,204,205,222,227,228,234,235,237,261,273,275,297,300,
%U 315,320,321,343,370,375,381,383,394,401,426,438,441,460,468,485,486,489
%N a(n) = A074924(n)/2.
%H Zak Seidov, <a href="/A139013/b139013.txt">Table of n, a(n) for n = 1..1000.</a>
%Y Cf. A074924.
%K nonn
%O 1,1
%A _Zak Seidov_, Apr 06 2008
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