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A007991 Poincare series of Lie algebra associated with a certain braid group. +0
1
1, 2, 7, 18, 42, 88, 176, 324, 581, 984, 1631, 2594, 4055, 6140, 9164 (list; graph; listen)
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

S. P. Humphries, Home page

CROSSREFS

Sequence in context: A077802 A095151 A147611 this_sequence A037294 A076857 A161870

Adjacent sequences: A007988 A007989 A007990 this_sequence A007992 A007993 A007994

KEYWORD

nonn

AUTHOR

Stephen P Humphries (steve(AT)math.byu.edu)

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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