

A205295


Number of connected 5regular simple graphs on 2n vertices with girth at least 5.


9



1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 90
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OFFSET

0,16


REFERENCES

M. Meringer, Fast Generation of Regular Graphs and Construction of Cages. Journal of Graph Theory, 30 (1999), 137146.


LINKS

Table of n, a(n) for n=0..16.
Jason Kimberley, Index of sequences counting connected kregular simple graphs with girth at least g
M. Meringer, Tables of Regular Graphs


CROSSREFS

Connected kregular simple graphs with girth at least 5: A185115 (k=2), A014372 (k=3), A058343 (k=4), this sequence (k=5).
Connected 5regular simple graphs with girth at least g: A006821 (g=3), A058275 (g=4), this sequence (g=5).
Connected 5regular simple graphs with girth exactly g: A184953 (g=3), A184954 (g=4), A184955 (g=5).
Sequence in context: A220318 A220341 A184955 * A292304 A218385 A189882
Adjacent sequences: A205292 A205293 A205294 * A205296 A205297 A205298


KEYWORD

nonn,more,hard


AUTHOR

Jason Kimberley, Jan 25 2012


STATUS

approved



