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A039751 Number of n-node graphs containing a 4-cycle. +0
1
1, 0, 0, 0, 3, 16, 111 (list; graph; listen)
OFFSET

0,5
REFERENCES

F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973, p. 228.

CROSSREFS

Adjacent sequences: A039748 A039749 A039750 this_sequence A039752 A039753 A039754

Sequence in context: A074551 A135074 A074540 this_sequence A141003 A002404 A097142

KEYWORD

nonn,nice,more

AUTHOR

njas

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.

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