4,3

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

Cf. A063541.

Sequence in context: A137358 A143963 A139714 this_sequence A122554 A111734 A117457

Adjacent sequences: A063539 A063540 A063541 this_sequence A063543 A063544 A063545

nonn

N. J. A. Sloane (njas(AT)research.att.com), Aug 14 2001