A076852 - OEIS

%I #8 Apr 24 2023 19:02:44

%S 0,7,12,23,62

%N Number of geometries for group A_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, 1-27, Quad. Mat., 12, Dept. Math., Seconda Univ. Napoli, Caserta, 2003.

%Y Cf. A076851-A076862.

%K nonn,more

%O 4,2

%A _N. J. A. Sloane_, Nov 23 2002