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A076852
Number of geometries for group A_n under axioms A, 2T_1.
1
0, 7, 12, 23, 62
OFFSET
4,2
REFERENCES
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.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Nov 23 2002
STATUS
approved