OFFSET
1,3
COMMENTS
For all n except n=2, n=3 and n=6, Aut(A_n) is S_n, i.e., a(n) = n!, while Aut(A_2) = S_1, Aut(A_3) = Aut(C_3) = C_2 = S_2 and Aut(A_6) contains S_6 as a subgroup of index 2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Ola Veshta (olaveshta(AT)my-deja.com), Apr 29 2001
STATUS
approved