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%I #5 Feb 22 2023 12:00:33
%S 1,17,206,6029,508321
%N Number of isomorphism classes of oriented matroids of dimension n and cardinality n+4.
%H Lukas Finschi, <a href="https://finschi.com/math/om/">Homepage of Oriented Matroids</a>
%Y A diagonal of A063804.
%K nonn,more
%O 1,2
%A _N. J. A. Sloane_, Sep 17 2014
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