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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. 0
1, 3, 5, 12, 48, 288 (list; graph; refs; listen; history; text; internal format)
OFFSET

5,2

REFERENCES

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

LINKS

Table of n, a(n) for n=5..10.

CROSSREFS

Sequence in context: A308544 A307142 A291936 * A293599 A156436 A352145

Adjacent sequences:  A307143 A307144 A307145 * A307147 A307148 A307149

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Mar 28 2019

STATUS

approved

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Last modified May 28 09:09 EDT 2022. Contains 354112 sequences. (Running on oeis4.)