A246990 Number of abstract order types of configurations of n points in n+3 dimensions.

1, 11, 55, 204, 705, 2293, 7377

Offset

1,2

Links

Table of n, a(n) for n=1..7.

Lukas Finschi, Homepage of Oriented Matroids

Crossrefs

A diagonal of A063853.

Sequence in context: A022606 A072025 A098992 * A156589 A165791 A032166

Adjacent sequences: A246987 A246988 A246989 * A246991 A246992 A246993

Keyword

nonn,more

Author

N. J. A. Sloane, Sep 17 2014

Status

approved