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A185236
Number of disconnected 3-regular simple graphs on 2n vertices with girth at least 6.
7
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 6, 37, 432, 8119, 191254, 4855919, 127937854, 3482858263, 98176518259
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OFFSET
0,17
LINKS
Table of n, a(n) for n=0..24.
Jason Kimberley,
Disconnected regular graphs with girth at least 6
Jason Kimberley,
Index of sequences counting disconnected k-regular simple graphs with girth at least g
CROSSREFS
Disconnected k-regular simple graphs with girth at least 6:
A185216
(all k),
A185206
(triangle);
A185226
(k=2), this sequence (k=3),
A185246
(k=4).
Sequence in context:
A036358
A340029
A185036
*
A041062
A240324
A283636
Adjacent sequences:
A185233
A185234
A185235
*
A185237
A185238
A185239
KEYWORD
nonn
,
more
,
hard
AUTHOR
Jason Kimberley
, Feb 22 2011
STATUS
approved
