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

A075096

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

Terms

    a(0) =0a(1) =0a(2) =0a(3) =2a(4) =6a(5) =36a(6) =248a(7) =2264a(8) =31754a(9) =710574a(10) =26501530a(11) =1712953820

External references