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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
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OFFSET
0,40
LINKS
Table of n, a(n) for n=0..47.
Jason Kimberley,
Index of sequences counting disconnected k-regular simple graphs with girth at least g
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
Adjacent sequences:
A185242
A185243
A185244
*
A185246
A185247
A185248
KEYWORD
nonn
,
more
,
hard
AUTHOR
Jason Kimberley
, Feb 22 2011
STATUS
approved
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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)