A307140 Number of symmetry classes of coarsest matroid subdivisions in the hypersimplex Delta(3,n) in the Stiefel image.

1, 3, 5, 11, 36, 207

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: A063499 A285381 A082856 * A254402 A060881 A035345

Adjacent sequences: A307137 A307138 A307139 * A307141 A307142 A307143

Keyword

nonn,more

Author

N. J. A. Sloane, Mar 28 2019

Status

approved