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%I #2 Mar 30 2012 17:37:12
%S 1,1,2,0,12,140,2910,83202,3170216,154933704,9441522810,701275774430,
%T 62304994315212,6517432341289740,791949368757587222,
%U 110496962589020946330,17525486812000086847440
%N Vertically indecomposable lattices on n labeled nodes.
%Y a(n)=A058804(n)*n=A058805(n)*n*(n-1).
%K nonn,hard
%O 0,3
%A _Christian G. Bower_, Dec 28 2000
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