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A014397 Number of loopless multigraphs with 7 nodes and n edges. 7
1, 1, 3, 8, 22, 60, 173, 471, 1303, 3510, 9234, 23574, 58464, 140340, 326792, 738090, 1619321, 3455129, 7180856, 14555856, 28819926, 55808840, 105834657, 196779279, 359124362, 643976482, 1135731758, 1971734302, 3372477533 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
REFERENCES
CRC Handbook of Combinatorial Designs, 1996, p. 650.
F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973, p. 88, (4.1.18).
LINKS
PROG
(PARI) concat([1], G(7, 30)) \\ See A191646 for G. - Andrew Howroyd, Mar 15 2020
CROSSREFS
Row 7 of A192517.
Sequence in context: A318822 A318863 A318821 * A048503 A318862 A318820
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms and better description from Vladeta Jovovic, Dec 29 1999
STATUS
approved

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Last modified February 28 18:04 EST 2024. Contains 370400 sequences. (Running on oeis4.)