A075097 Number of simple graphs g on n nodes with |Aut(g)| = 6.

0, 0, 2, 2, 2, 8, 38, 252, 3262, 71362, 2626418, 164764114

Offset

1,3

Links

Table of n, a(n) for n=1..12.

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

Cf. A003400, A075095, A075096, A075098.

Sequence in context: A220805 A298647 A068718 * A138056 A340080 A022459

Adjacent sequences: A075094 A075095 A075096 * A075098 A075099 A075100

Keyword

nonn,hard,more

Author

Eric W. Weisstein, Aug 31 2002

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 10 2025

Status

approved