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A184955
Number of connected 5-regular simple graphs on 2n vertices with girth exactly 5.
9
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 90
OFFSET
0,16
CROSSREFS
Connected k-regular simple graphs with girth exactly 5: A185015 (k=2), A006925 (k=3), A184945 (k=4), this sequence (k=5).
Connected 5-regular simple graphs with girth at least g: A006821 (g=3), A058275 (g=4), A205295 (g=5).
Connected 5-regular simple graphs with girth exactly g: A184953 (g=3), A184954 (g=4), this sequence (g=5).
Sequence in context: A183880 A220318 A220341 * A205295 A376299 A292304
KEYWORD
nonn,more,hard
AUTHOR
Jason Kimberley, Feb 27 2011
STATUS
approved