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A119668
Number of chambers in root systems of type A_n.
0
1, 2, 7, 48, 820, 44288
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..6.
M. Welleda Baldoni et al.,
Volume computation for polytopes and partition functions for classical root systems
, arXiv:math/0504231 [math.CO], 2005; Discr. Comput. Geom., 35 (No. 4, 2006), 551-595.
Samuel C. Gutekunst, Karola Mészáros, T. Kyle Petersen,
Root Cones and the Resonance Arrangement
, arXiv:1903.06595 [math.CO], 2019.
CROSSREFS
Sequence in context:
A281263
A206153
A326338
*
A101538
A045598
A293043
Adjacent sequences:
A119665
A119666
A119667
*
A119669
A119670
A119671
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
, Jun 12 2006
STATUS
approved
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Last modified April 23 02:14 EDT 2024. Contains 371906 sequences. (Running on oeis4.)