Number of unlabeled connected loopless multigraphs with n nodes of degree 5 or less and with single or double edges.
A303031
Number of unlabeled connected loopless multigraphs with n nodes of degree 5 or less and with single or double edges.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =43a(5) =282a(6) =2708a(7) =31175a(8) =451701a(9) =7731154a(10) =154264825a(11) =3515514725a(12) =90381251065
External references
- oeis: A303031