Number of connected graphs on n nodes up to isomorphism with a factor of (1+x) in their independence polynomial.

A263855

Number of connected graphs on n nodes up to isomorphism with a factor of (1+x) in their independence polynomial.

Terms

    a(0) =1a(1) =6a(2) =38a(3) =277a(4) =3056a(5) =59768a(6) =2376028a(7) =195245762a(8) =31700259751

External references