A007991 - OEIS

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A007991

Poincare series of Lie algebra associated with a certain braid group.

1, 2, 7, 18, 42, 88, 176, 324, 581, 984, 1631, 2594, 4055, 6140, 9164 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`2,2`
	REFERENCES	`S. P. Humphries, Braid groups, infinite Lie algebras of Cartan type and rings of invariants, Topology and its Applications, 95 (3) (1999) pp. 173-205.`
	LINKS	`Table of n, a(n) for n=2..16.` `S. P. Humphries, Home page`
	CROSSREFS	`Sequence in context: A077802 A095151 A147611 * A037294 A076857 A174192` `Adjacent sequences: A007988 A007989 A007990 * A007992 A007993 A007994`
	KEYWORD	`nonn`
	AUTHOR	`Stephen P. Humphries`
	STATUS	`approved`

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Last modified May 21 15:35 EDT 2013. Contains 225504 sequences.