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A144556 Number of Sylvester-Gallai geometries on n points. 0

%I

%S 0,0,0,0,0,0,1,0,1,1,1,3,7,1,119,398,161925,24212890

%N Number of Sylvester-Gallai geometries on n points.

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

%K nonn

%O 1,12

%A _N. J. A. Sloane_, Jan 01 2009

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Last modified November 17 11:02 EST 2019. Contains 329226 sequences. (Running on oeis4.)