4,1
Humphreys, Reflection Groups and Coxeter Groups, Camb., 1990, p. 141.
Sequence in context: A079809 A070629 A162884 * A097614 A069892 A070621
Adjacent sequences: A029768 A029769 A029770 * A029772 A029773 A029774
nonn,fini,full
N. J. A. Sloane (njas(AT)research.att.com).