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A063548 Largest number of straight line crossing-free spanning trees on n points in the plane. 1
3, 16, 105, 891, 7815, 77953, 819822, 9179632 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..10.

O. Aichholzer and H. Krasser, The point set order type data base: a collection of applications and results, pp. 17-20 in Abstracts 13th Canadian Conference on Computational Geometry (CCCG '01), Waterloo, Aug. 13-15, 2001.

CROSSREFS

Cf. A001764.

Sequence in context: A215931 A271777 A014304 * A157452 A074551 A135074

Adjacent sequences:  A063545 A063546 A063547 * A063549 A063550 A063551

KEYWORD

nonn,nice,hard

AUTHOR

N. J. A. Sloane, Aug 14 2001

STATUS

approved

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Last modified February 23 04:57 EST 2018. Contains 299473 sequences. (Running on oeis4.)