

A005796


Degrees of fundamental invariants of Weyl group W(E_8).


2




OFFSET

1,1


COMMENTS

a(n)  1 is the nth number < 30 that is relatively prime to 30. [Jonathan Sondow, Apr 16 2009]


LINKS

Table of n, a(n) for n=1..8.
H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., SpringerVerlag, NY, reprinted 1984, p. 141.
G. J. Fox, Letter to N. J. A. Sloane, May 1991


FORMULA

a(n) = Prime(n+2) + 1, for n = 2, 3, ..., 8. [Jonathan Sondow, Apr 16 2009]


CROSSREFS

Sequence in context: A043377 A107629 A080058 * A086173 A108725 A277568
Adjacent sequences: A005793 A005794 A005795 * A005797 A005798 A005799


KEYWORD

nonn,fini,full


AUTHOR

N. J. A. Sloane.


STATUS

approved



