A333898 Number of unlabeled loopless multigraphs with n nodes of degree n or less.
1, 1, 3, 8, 61, 800, 38194, 6254652, 3666019207, 7400038427299, 51429702889968135, 1241437835049586937641, 105176323921573775380216377, 31585284922954071317319026074538
Offset: 0
Crossrefs
Main diagonal of A333893.