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%I #4 Mar 30 2012 17:37:52
%S 1,3,5,9,11,18,20,28,32,39,41,62,64,71,78,94,96,117,119,140,147,154,
%T 156,214,218,225,233,254,256,301,303,335,342,349,356,440,442,449,456,
%U 514,516,561,563,584,605,612,614,766,770,791,798,819,821,879,886,944,951
%N Number of nonempty subsets of {1,2,3,...,n} that are closed under both GCD and LCM.
%C I.e. number of division lattices with values from 1 to n. - _Franklin T. Adams-Watters_, Sep 21 2006
%Y Cf. A051839, A122977, A122978.
%K nonn
%O 1,2
%A _John W. Layman_, Oct 02 2002
%E More terms from _Franklin T. Adams-Watters_, Sep 21 2006
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