1,6
Zoran Maksimovic, Number of graphs on n nodes whose automorphism group orders are k, n<=11
Eric Weisstein's World of Mathematics, Graph Automorphism
Sequence in context: A000387 A145221 A027148 * A027268 A000388 A175671
Adjacent sequences: A095851 A095852 A095853 * A095855 A095856 A095857
nonn,more
Eric Weisstein (eric(AT)weisstein.com), Jun 09, 2004