A076855 Number of geometries for group A_n under axioms A, 2T_1, CD.

0, 7, 11, 23, 61

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.

Links

Table of n, a(n) for n=4..8.

Crossrefs

Cf. A076851-A076862.

Sequence in context: A141305 A243916 A181841 * A160054 A359414 A247590

Adjacent sequences: A076852 A076853 A076854 * A076856 A076857 A076858

Keyword

nonn,more

Author

N. J. A. Sloane, Nov 23 2002

Status

approved