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A131315
Number of labeled 6-arch graphs on n nodes.
4
0, 0, 0, 0, 0, 1, 1, 28, 5376, 3568950, 6258582792, 25002294181788, 205392847313891952, 3209584611412062072189, 89660154903506596076142475, 4255300535932491203339640563104, 328814773250544726322649425157897056, 39898110763361703664060940279190531023640
OFFSET
1,8
LINKS
Allan Bickle, A Survey of Maximal k-degenerate Graphs and k-Trees, Theory and Applications of Graphs 0 1 (2024) Article 5.
Saverio Caminiti and Emanuele G. Fusco, On the Number of Labeled k-arch Graphs, Journal of Integer Sequences, Vol 10 (2007), Article 07.7.5
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Sep 29 2007
EXTENSIONS
Terms a(11) and beyond from Andrew Howroyd, Nov 07 2019
STATUS
approved