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A185235 Number of disconnected 3-regular simple graphs on 2n vertices with girth at least 5. 4
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 12, 67, 598, 7135, 107826, 1876709, 35925162, 741413221, 16356258309, 383936219233 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,12

LINKS

Table of n, a(n) for n=0..21.

Jason Kimberley, Index of sequences counting disconnected k-regular simple graphs with girth at least g

CROSSREFS

Sequence in context: A241074 A020062 A185035 * A226400 A000954 A056636

Adjacent sequences:  A185232 A185233 A185234 * A185236 A185237 A185238

KEYWORD

nonn,more,hard

AUTHOR

Jason Kimberley, Feb 22 2011

STATUS

approved

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Last modified November 17 03:06 EST 2019. Contains 329216 sequences. (Running on oeis4.)