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A091576
Poincaré series [or Poincare series] of the preprojective algebra of a Dynkin diagram of type E_7.
6
7, 12, 17, 22, 27, 30, 33, 34, 35, 34, 33, 30, 27, 22, 17, 12, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
OFFSET
0,1
COMMENTS
The series is a polynomial because the algebra is finite dimensional. See the entry for A091575 for a general formula.
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Paul Boddington, Jan 22 2004
STATUS
approved