A005763 - OEIS

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A005763

Exponents m_i associated with Weyl group W(E7).

%I #10 Sep 08 2022 08:44:34

%S 1,5,7,9,11,13,17

%N Exponents m_i associated with Weyl group W(E7).

%D H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 141.

%o (Magma) Exponents(RootDatum("E7")); // Sergei Haller (sergei(AT)sergei-haller.de), Dec 21 2006

%K nonn,fini,full

%O 1,2

%A _N. J. A. Sloane_