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A333898
Number of unlabeled loopless multigraphs with n nodes of degree n or less.
0
1, 1, 3, 8, 61, 800, 38194, 6254652, 3666019207, 7400038427299, 51429702889968135, 1241437835049586937641, 105176323921573775380216377, 31585284922954071317319026074538
OFFSET
0,3
CROSSREFS
Main diagonal of A333893.
Sequence in context: A027262 A062358 A110385 * A224230 A053740 A363312
KEYWORD
nonn,more
AUTHOR
Andrew Howroyd, Apr 09 2020
STATUS
approved