%I A144557
%S A144557 0,0,0,0,0,0,0,0,0,0,0,1,1,2,6,18,82,1000
%N A144557 Number of Motzkin-Rabin geometries on n points.
%D A144557 L. M. Pretorius and K. J. Swanepoel, The Sylvester-Gallai theorem, ..., 
               Discr. Math., 309 (2009), 385-399.
%Y A144557 Sequence in context: A141580 A007869 A118476 this_sequence A118455 A165774 
               A053505
%Y A144557 Adjacent sequences: A144554 A144555 A144556 this_sequence A144558 A144559 
               A144560
%K A144557 nonn
%O A144557 1,14
%A A144557 N. J. A. Sloane (njas(AT)research.att.com), Jan 01 2009