Number of labeled n-node 4-valent graphs containing a loop and a double edge.

A058837

Number of labeled n-node 4-valent graphs containing a loop and a double edge.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =30a(6) =360a(7) =12390a(8) =492240a(9) =24517080a(10) =1499961960a(11) =111400817220

External references