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Search: id:A014397
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| A014397 |
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Number of multigraphs with 7 nodes and n edges. |
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3
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| 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; listen)
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OFFSET
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0,3
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REFERENCES
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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).
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CROSSREFS
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Cf. A001399, A003082, A014395, A014396, A014398.
Sequence in context: A024581 A028859 A155020 this_sequence A048503 A048579 A121449
Adjacent sequences: A014394 A014395 A014396 this_sequence A014398 A014399 A014400
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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More terms and better description from Vladeta Jovovic (vladeta(AT)eunet.rs), Dec 29 1999
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