A124962 Sum of automorphism group orders for all simple graphs of order n.

1, 4, 16, 90, 460, 3064, 20448, 170510, 1742276, 30540344

Offset

1,2

Links

Table of n, a(n) for n=1..10.

Eric Weisstein's World of Mathematics, Graph Automorphism

Mathematica

Map[Total, Table[Table[GraphData[{n, i}, "AutomorphismCount"], {i, 1, NumberOfGraphs[n]}], {n, 1, 7}]] (* Geoffrey Critzer, Apr 30 2017 *)

Crossrefs

Sequence in context: A052124 A235166 A013030 * A292088 A376797 A221818

Adjacent sequences: A124959 A124960 A124961 * A124963 A124964 A124965

Keyword

nonn,more,changed

Author

Eric W. Weisstein, Nov 13 2006

Extensions

a(7) from Eric W. Weisstein, Nov 01 2010

a(8)-a(10) from Eric W. Weisstein, Jan 14 2025

Status

approved