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Search: id:A084565
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A084565 Number of connected signed graphs on n unlabeled nodes. +0
2
1, 3, 12, 79, 1123 (list; graph; listen)
OFFSET

2,2

REFERENCES

Bussemaker, F. C.; Cameron, P. J.; Seidel, J. J.; and Tsaranov, S. V., Tables of signed graphs, Report-WSK 91-01, Eindhoven University of Technology, Department of Mathematics and Computing Science, Eindhoven, 1991, 105 pp. MR: 92g:05001.

CROSSREFS

Cf. A084554.

Adjacent sequences: A084562 A084563 A084564 this_sequence A084566 A084567 A084568

Sequence in context: A058561 A058107 A023879 this_sequence A023881 A067111 A051549

KEYWORD

nonn,more

AUTHOR

njas, Jul 16 2003

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


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