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A168679
Arises in classification of simply connected Cartan schemes of rank three, where the real roots form a finite irreducible root system.
0
6, 7, 8, 9, 9, 10, 10, 11, 12, 12, 13, 13, 13, 13, 14, 15, 16, 16, 17, 17, 17, 18, 18, 19, 19, 19, 19, 19, 20, 20, 20, 21, 21, 21, 22, 25, 25, 25, 25, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 30, 31, 31, 34, 37
OFFSET
1,1
COMMENTS
Column 2 of Table 1: Invariants of irreducible root systems of rank three, pp.26-28, of Cuntz. Up to equivalence there are exactly 55 such Cartan schemes, and the number of corresponding real roots varies between 6 and 37.
LINKS
M. Cuntz and I. Heckenberger, Finite Weyl groupoids of rank three, Dec 01, 2009.
CROSSREFS
Sequence in context: A153604 A324031 A248418 * A102304 A114459 A168096
KEYWORD
fini,full,nonn
AUTHOR
Jonathan Vos Post, Dec 02 2009
STATUS
approved