Number of unlabeled graphs with n nodes and an invertible adjacency matrix.

A109717

Number of unlabeled graphs with n nodes and an invertible adjacency matrix.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =4a(4) =9a(5) =57a(6) =354a(7) =5795a(8) =141494a(9) =7866527a(10) =728952205

External references