Number of unlabeled connected loopless multigraphs with n nodes of degree 5 or less and with single, double or triple edges.

A303033

Number of unlabeled connected loopless multigraphs with n nodes of degree 5 or less and with single, double or triple edges.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =12a(4) =81a(5) =535a(6) =5274a(7) =60684a(8) =869238a(9) =14595645a(10) =284939257a(11) =6347472749a(12) =159579271688

External references