A075095 Number of simple graphs g on n nodes with |Aut(g)| = 2.
0, 2, 2, 3, 11, 46, 354, 4431, 89004, 3026014, 179282248, 18885632962
Offset: 1
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
Extensions
a(8)-a(9) from Eric W. Weisstein, Jun 09 2004
a(10)-a(11) from Herman Jamke (hermanjamke(AT)fastmail.fm), May 04 2008
a(12) from Sean A. Irvine, Feb 09 2025