A007991 Poincaré series [or 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
Offset: 2
Keywords
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