Search: id:A058800
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%I A058800
%S A058800 1,1,1,0,1,2,7,27,126,664,3954,26190,190754,1514332,12998035,119803771,
%T A058800 1178740932,12316480222,136060611189
%N A058800 Vertically indecomposable lattices on n unlabeled nodes.
%D A058800 J. Heitzig and J. Reinhold, Counting finite lattices, Algebra Universalis, 
               48 (2002), 43-53.
%H A058800 J. Heitzig and J. Reinhold, <a href="http://www-ifm.math.uni-hannover.de/
               forschung/preprintsifm.html">Counting finite lattices</a>, preprint 
               no. 298, Institut fuer Mathematik, Universitaet Hanover, Germany, 
               1999.
%H A058800 N. J. A. Sloane, <a href="transforms.txt">Transforms</a>
%Y A058800 a(n+1) is Inverse INVERT transform of A006966(n+1).
%Y A058800 Sequence in context: A036783 A150645 A060017 this_sequence A077622 A137108 
               A099815
%Y A058800 Adjacent sequences: A058797 A058798 A058799 this_sequence A058801 A058802 
               A058803
%K A058800 nonn,hard
%O A058800 0,6
%A A058800 Christian G. Bower (bowerc(AT)usa.net), Dec 28 2000

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