1,12

L. M. Pretorius and K. J. Swanepoel, The Sylvester-Gallai theorem, ..., Discr. Math., 309 (2009), 385-399.

Sequence in context: A110238 A077505 A031436 this_sequence A001439 A086313 A016451

Adjacent sequences: A144553 A144554 A144555 this_sequence A144557 A144558 A144559

nonn

N. J. A. Sloane (njas(AT)research.att.com), Jan 01 2009