%I
%S 1,5,14,35,70
%N Number of geometries for group S_n under axioms A, 2T_1.
%D F. Buekenhout, P. Cara, M. Dehon and D. Leemans, Residually weakly primitive geometries of small sporadic and almost simple groups: a synthesis. Topics in diagram geometry, 127, Quad. Mat., 12, Dept. Math., Seconda Univ. Napoli, Caserta, 2003.
%Y Cf. A076851A076862.
%K nonn
%O 3,2
%A _N. J. A. Sloane_, Nov 23 2002
