A307144 - OEIS

A307144

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

10, 65, 616, 15470, 1220822, 167763972

(list; graph; refs; listen; history; text; internal format)

OFFSET

5,1

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: A198848 A215764 A262342 * A344047 A344060 A140362

Adjacent sequences: A307141 A307142 A307143 * A307145 A307146 A307147

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Mar 28 2019

STATUS

approved