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A061710
Number of maximal chains in the Bruhat order of S_n.
1
1, 1, 4, 168, 130560, 2778096640, 2182547233161216, 80604526437978334298112, 171350523619928085051880067039232, 24958704994164739282319189442326176511033344
OFFSET
1,3
REFERENCES
Humphreys, James E., Reflection groups and Coxeter groups. Cambridge Studies in Advanced Mathematics, 29. Cambridge University Press, Cambridge, 1990.
CROSSREFS
Sequence in context: A278124 A024265 A302453 * A262687 A177005 A017414
KEYWORD
nice,nonn
AUTHOR
Sara Billey, Jun 20 2001
EXTENSIONS
a(8), a(9) added by Tomas Boothby, Aug 24 2009
STATUS
approved