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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

REFERENCES

Humphreys, James E., Reflection groups and Coxeter groups. Cambridge Studies in Advanced Mathematics, 29. Cambridge University Press, Cambridge, 1990.

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Sequence in context: A159011 A077257 A024265 * A177005 A017414 A051476

Adjacent sequences:  A061707 A061708 A061709 * A061711 A061712 A061713

KEYWORD

nice,nonn

AUTHOR

Sara Billey, Jun 20 2001

EXTENSIONS

a(8), a(9) added by Tomas Boothby, Aug 24 2009

STATUS

approved

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Last modified December 19 09:54 EST 2014. Contains 252186 sequences.