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A076855 Number of geometries for group A_n under axioms A, 2T_1, CD. 0
0, 7, 11, 23, 61 (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: A141305 A243916 A181841 * A160054 A247590 A027830

Adjacent sequences:  A076852 A076853 A076854 * A076856 A076857 A076858

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 23 2002

STATUS

approved

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Last modified August 17 12:30 EDT 2022. Contains 356189 sequences. (Running on oeis4.)