%I #3 Mar 30 2012 17:29:16
%S 1,7,2,31,10,3,22,127,38,4,58,27,82,16,5,511,142,32,178,19,6,52,262,
%T 123,310,76,362,7,418,59,478,2047,42,136,25,8,682,172,66,115,838,47,
%U 922,28,9,256,1102,507,1198,304,126,52,1402,356,10,103,162,412,1738,80,1858
%N a(n) = (A088558(n)-1)/2.
%Y Cf. A088557, A088558, A096891-A096900.
%K nonn
%O 1,2
%A _Ray Chandler_, Jul 14 2004
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