A075096 Number of simple graphs g on n nodes with |Aut(g)| = 4.

0, 0, 0, 2, 6, 36, 248, 2264, 31754, 710574, 26501530

Offset

1,4

Links

Table of n, a(n) for n=1..11.

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, A075097, A075098.

Sequence in context: A052832 A058583 A345747 * A347897 A354413 A177373

Adjacent sequences: A075093 A075094 A075095 * A075097 A075098 A075099

Keyword

nonn,more

Author

Eric W. Weisstein, Aug 31 2002

Extensions

a(8) and a(9) from Eric W. Weisstein, Jun 09 2004

a(10), a(11) from Maksimovic's preprint added by Max Alekseyev, Apr 26 2010

Status

approved