%I #2 Mar 30 2012 17:33:58
%S 0,1,3,5,11,15,17,29,59,87,105,125,519,605,1277,2201,2279,3215,4251,
%T 4421,9687,9939,11211,19935,21699,23207,44495,86241,110501,132047,
%U 216089,756837,859431,1257785,1398267,2976219,3021375,6972591,13466915
%N a(n) = A000043(n)-2.
%C Base 2 logarithm of A134708(n).
%Y Cf. A000043, A014635, A134708.
%K nonn
%O 1,3
%A _Omar E. Pol_, Jan 20 2009
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