A075095 - OEIS

%I #15 Feb 16 2025 08:32:47

%S 0,2,2,3,11,46,354,4431,89004,3026014,179282248,18885632962

%N Number of simple graphs g on n nodes with |Aut(g)| = 2.

%H Zoran Maksimovic, <a href="/A075095/a075095.pdf">Number of graphs on n nodes whose automorphism group orders are k, n<=11</a>

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GraphAutomorphism.html">Graph Automorphism</a>

%Y Cf. A003400, A075096, A075097, A075098.

%K nonn,hard,more,changed

%O 1,2

%A _Eric W. Weisstein_, Aug 31 2002

%E a(8)-a(9) from _Eric W. Weisstein_, Jun 09 2004

%E a(10)-a(11) from Herman Jamke (hermanjamke(AT)fastmail.fm), May 04 2008

%E a(12) from _Sean A. Irvine_, Feb 09 2025