A075096 Number of simple graphs g on n nodes with |Aut(g)| = 4.
0, 0, 0, 2, 6, 36, 248, 2264, 31754, 710574, 26501530, 1712953820
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 Maksimovic's preprint added by Max Alekseyev, Apr 26 2010
a(12) from Sean A. Irvine, Feb 09 2025