OFFSET
1,3
REFERENCES
Humphreys, James E., Reflection groups and Coxeter groups. Cambridge Studies in Advanced Mathematics, 29. Cambridge University Press, Cambridge, 1990.
CROSSREFS
KEYWORD
nice,nonn
AUTHOR
Sara Billey, Jun 20 2001
EXTENSIONS
a(8), a(9) added by Tomas Boothby, Aug 24 2009
STATUS
approved