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A001548 Number of connected linear spaces with n points.
(Formerly M1270 N0489)
0
1, 1, 0, 1, 1, 2, 4, 13, 42, 308 (list; graph; refs; listen; history; internal format)
OFFSET

0,6

REFERENCES

Doyen, Jean; Sur le nombre d'espaces lineaires non isomorphes de n points. Bull. Soc. Math. Belg. 19 1967 421-437.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

CROSSREFS

Cf. A001199, A001200, A056642.

Sequence in context: A002771 A050624 A135501 * A193057 A115600 A007858

Adjacent sequences:  A001545 A001546 A001547 * A001549 A001550 A001551

KEYWORD

nonn,hard,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms could be obtained from A056642. - N. J. A. Sloane (njas(AT)research.att.com), Jul 26 2004

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.