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A005966 Number of trivalent planar multigraphs with 2n nodes.
(Formerly M1511)
+0
2
1, 2, 5, 17, 71, 357 (list; graph; listen)
OFFSET

1,2

REFERENCES

A. T. Balaban, Enumeration of Cyclic Graphs, pp. 63-105 of A. T. Balaban, ed., Chemical Applications of Graph Theory, Ac. Press, 1976; see p. 92.

CROSSREFS

Sequence in context: A139402 A057219 A084869 this_sequence A101900 A082282 A005967

Adjacent sequences: A005963 A005964 A005965 this_sequence A005967 A005968 A005969

KEYWORD

nonn,more

AUTHOR

njas

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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