Number of isomorphism classes of connected 6-regular loopless multigraphs of order n.

A129421

Number of isomorphism classes of connected 6-regular loopless multigraphs of order n.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =6a(4) =15a(5) =120a(6) =933a(7) =13303a(8) =252207a(9) =6450828a(10) =205475039a(11) =7936493756a(12) =363639228194

External references