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%I #12 Jun 26 2022 03:21:48
%S 1,1,3,8,26,96,414,2040,11432,72022,503973,3875329,32429747,292872455,
%T 2834089224,29209213572,318979706486
%N Vertically decomposable lattices on n unlabeled nodes.
%H J. Heitzig and J. Reinhold, <a href="http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.24.2420">Counting finite lattices</a>, preprint no. 298, Institut für Mathematik, Universität Hanover, Germany, 1999.
%H J. Heitzig and J. Reinhold, <a href="https://doi.org/10.1007/PL00013837">Counting finite lattices</a>, Algebra Universalis, 48 (2002), 43-53.
%F a(n) = A006966(n) - A058800(n).
%Y Cf. A006966, A058800.
%K nonn,hard
%O 3,3
%A _Christian G. Bower_, Dec 28 2000
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