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

A241454

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

Terms

    a(0) =0a(1) =1a(2) =1a(3) =2a(4) =9a(5) =37a(6) =317a(7) =4098a(8) =84602a(9) =2933996

External references