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A185284 Number of disconnected 8-regular simple graphs on n vertices with girth at least 4. 10
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, 0, 1, 0, 14, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,37

LINKS

Table of n, a(n) for n=0..37.

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 4: A185214 (any k), A185204 (triangle); specified degree k: A185224 (k=2), A185234 (k=3), A185244 (k=4), A185254 (k=5), A185264 (k=6), A185274 (k=7), this sequence (k=8), A185294 (k=9).

Sequence in context: A198806 A228304 A002393 * A262705 A232210 A040199

Adjacent sequences:  A185281 A185282 A185283 * A185285 A185286 A185287

KEYWORD

nonn,more,hard

AUTHOR

Jason Kimberley, Feb 22 2011

STATUS

approved

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Last modified February 22 10:54 EST 2020. Contains 332135 sequences. (Running on oeis4.)