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.

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.)