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A098787
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Stable Poincaré series [or Poincare series] for Lie algebra of type A (i.e., the variety of complex k X k matrices with distinct eigenvalues).
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5
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1, 1, 0, 1, 2, 4, 6, 9, 17, 30, 47, 75, 131, 221, 358, 589, 987, 1640, 2695, 4435, 7346, 12153, 19993, 32886, 54232, 89349, 146880, 241416, 396995, 652509, 1071496, 1758884, 2887206, 4737820, 7770521, 12740561, 20886071, 34229894
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OFFSET
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0,5
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COMMENTS
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Lehrer-Segal give a recurrence; both this reference and the Lehrer article give the first 50 terms.
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REFERENCES
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G. I. Lehrer and G. B. Segal, Homology stability for classical regular semisimple varieties, Math. Zeit., 236 (2001), 251-290; p. 285.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,easy,nice
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AUTHOR
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STATUS
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approved
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