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%I #2 Mar 30 2012 17:35:16
%S 1,3,3,7,3,12,3,15,7,12,3,37,3,12,12,31,3,37,3,37,12,12,3,103,7,12,15,
%T 37,3,73,3,63,12,12,12,146,3,12,12,103,3,73,3,37,37,12,3,271,7,37,12,
%U 37,3,103,12,103,12,12,3,319,3,12,37,127,12,73,3,37,12,73,3,505,3,12,37,37
%N Number of sublattices of the division lattice of divisors of n.
%C A division lattice is closed under GCD and LCM. Depends only on the prime signature of n.
%Y Cf. A051839, A122977, A122981, A122982.
%K nonn
%O 1,2
%A _Franklin T. Adams-Watters_, Sep 21 2006
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