

A031436


Number of proper linear spaces of order n.


4



1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 3, 7, 1, 119, 398, 161925, 2412890
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OFFSET

0,13


LINKS

Anton Betten and Dieter Betten, Data up to 18 points, Proceedings of ALCOMA 1999, Springer Verlag 2000, 4054 [free access].
HansDietrich O. F. Gronau, Ronald C. Mullin, Christian Pietsch, Pairwise Balanced Designs as Linear Spaces, pp. 228235, table 4.19 [but beware errors], in: Charles J. Colbourn, Ed., CRC Handbook of Combinatorial Designs, CRC Press, Boca Raton 1996 [PDF preview]


CROSSREFS



KEYWORD

nonn,nice,hard,more


AUTHOR

Anton Betten (Anton.Betten(AT)unibayreuth.de)


EXTENSIONS



STATUS

approved



