Number of even graphs with n edges.

A001188

Number of even graphs with n edges.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =60a(4) =672a(5) =9953a(6) =184557a(7) =4142631a(8) =109813842a(9) =3373122370a(10) =118280690398

External references