A307146 - OEIS

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A307146

Number of symmetry classes of coarsest matroid subdivisions in the hypersimplex Delta(3,n) that are either corank subdivisions or are in the image of the Stiefel map.

%I #5 Mar 28 2019 13:47:26

%S 1,3,5,12,48,288

%N Number of symmetry classes of coarsest matroid subdivisions in the hypersimplex Delta(3,n) that are either corank subdivisions or are in the image of the Stiefel map.

%D Schröter, Benjamin. "Multi-splits and tropical linear spaces from nested matroids." Discrete & Computational Geometry 61.3 (2019): 661-685.

%K nonn,more

%O 5,2

%A _N. J. A. Sloane_, Mar 28 2019