OFFSET
1,2
LINKS
Zoran Maksimovic, Number of graphs on n nodes whose automorphism group orders are k, n<=11
Eric Weisstein's World of Mathematics, Graph Automorphism
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Aug 31 2002
EXTENSIONS
a(8) and a(9) from Eric W. Weisstein, Jun 09 2004
2 more terms from Herman Jamke (hermanjamke(AT)fastmail.fm), May 04 2008
STATUS
approved