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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.
0
2, 14, 264, 11904, 1198560, 257847120
OFFSET
3,1
COMMENTS
For non-indexed version, see A063666.
a(n) ~ 2^(Theta(n log n)).
CROSSREFS
Cf. A063666.
Sequence in context: A370490 A187654 A280517 * A354511 A015197 A156910
KEYWORD
nonn,more
AUTHOR
Jihoon Hyun, May 28 2024
STATUS
approved