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A185245
Number of disconnected 4-regular simple graphs on n vertices with girth at least 5.
5
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 11, 147, 4215, 132741, 4419691, 141928589, 4339298225, 128489587646
OFFSET
0,40
CROSSREFS
Disconnected 4-regular simple graphs with girth at least g: A033483 (g=3), A185244 (g=4), this sequence (g=5), A185246 (g=6).
Sequence in context: A204243 A203203 A046912 * A006122 A111014 A171184
KEYWORD
nonn,more,hard
AUTHOR
Jason Kimberley, Feb 22 2011
STATUS
approved