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A348815
a(n) = number of chord labeled loopless diagrams by number of K_4.
9
0, 1, 134, 75843, 83002866, 158861646466, 490294453324924, 2292204611710892971, 15459367618357013402267, 144663877588996810362218074, 1819753109993633276315632934129, 29976383544377113242613349012354566, 632574848906117234957565158900144038734
OFFSET
1,3
LINKS
Evgeniy Krasko, Igor Labutin, and Alexander Omelchenko, Enumeration of Labelled and Unlabelled Hamiltonian Cycles in Complete k-partite Graphs, arXiv:1709.03218 [math.CO], 2017. See Appendix Table 3.
CROSSREFS
KEYWORD
nonn
AUTHOR
Michael De Vlieger, Nov 01 2021
EXTENSIONS
a(11) onwards from Andrew Howroyd, Feb 05 2024
STATUS
approved