|
| |
|
|
A098787
|
|
Stable Poincare series for Lie algebra of type A (i.e. the variety of complex k X k matrices with distinct eigenvalues).
|
|
5
| |
|
|
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
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,5
|
|
|
COMMENTS
| Lehrer-Segal give a recurrence; both this reference and the Lehrer article give the first 50 terms.
|
|
|
REFERENCES
| G. I. Lehrer and G. B. Segal, Homology stability for classical regular semisimple varieties, Math. Zeit., 236 (2001), 251-290; p. 285.
|
|
|
LINKS
| G. I. Lehrer, Some sequences arising at the interface of representation theory and homotopy theory
|
|
|
CROSSREFS
| Cf. A098788, A098789, A098705.
Sequence in context: A173241 A096398 A110538 * A164138 A192079 A079143
Adjacent sequences: A098784 A098785 A098786 * A098788 A098789 A098790
|
|
|
KEYWORD
| nonn,easy,nice
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Oct 28 2004
|
| |
|
|
