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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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS The series is a polynomial because the algebra is finite dimensional. See the entry for A091575 for a general formula. LINKS CROSSREFS Cf. A091571, A091572, A091573, A091574, A091575, A091577. Sequence in context: A261410 A090067 A072354 * A272733 A272741 A091573 Adjacent sequences:  A091573 A091574 A091575 * A091577 A091578 A091579 KEYWORD easy,nonn AUTHOR Paul Boddington, Jan 22 2004 STATUS approved

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Last modified July 25 01:31 EDT 2021. Contains 346273 sequences. (Running on oeis4.)