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A076852 Number of geometries for group A_n under axioms A, 2T_1. 1
0, 7, 12, 23, 62 (list; graph; refs; listen; history; text; internal format)
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: A192752 A097925 A132195 * A011996 A190554 A273244

Adjacent sequences:  A076849 A076850 A076851 * A076853 A076854 A076855

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 23 2002

STATUS

approved

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Last modified September 19 07:24 EDT 2020. Contains 337178 sequences. (Running on oeis4.)