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Search: id:A014397
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A014397 Number of multigraphs with 7 nodes and n edges. +0
3
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)
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).

CROSSREFS

Cf. A001399, A003082, A014395, A014396, A014398.

Sequence in context: A055887 A024581 A028859 this_sequence A048503 A048579 A121449

Adjacent sequences: A014394 A014395 A014396 this_sequence A014398 A014399 A014400

KEYWORD

nonn

AUTHOR

njas

EXTENSIONS

More terms and better description from Vladeta Jovovic (vladeta(AT)Eunet.yu), Dec 29 1999

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.


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