Number of connected 4-regular (or quartic) labeled graphs with n nodes.

A272905

Number of connected 4-regular (or quartic) labeled graphs with n nodes.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =15a(6) =465a(7) =19355a(8) =1024380a(9) =66462480a(10) =5188446900a(11) =480413448900

External references