A373222 Number of labeled orientations of n points on an Euclidean plane, in general position. In other words, the number of all possible orientation of n points in general position if all points are distinct and are labeled from 1 to n.

2, 14, 264, 11904, 1198560, 257847120

Offset

3,1

Comments

For non-indexed version, see A063666.

a(n) ~ 2^(Theta(n log n)).

Links

Table of n, a(n) for n=3..8.

Crossrefs

Cf. A063666.

Sequence in context: A370490 A187654 A280517 * A354511 A015197 A156910

Adjacent sequences: A373219 A373220 A373221 * A373223 A373224 A373225

Keyword

nonn,more

Author

Jihoon Hyun, May 28 2024

Status

approved