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A185274
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Number of disconnected 7-regular simple graphs on 2n vertices with girth at least 4.
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10
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 9, 749, 2888270
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OFFSET
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0,17
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LINKS
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Table of n, a(n) for n=0..18.
Jason Kimberley, Index of sequences counting disconnected k-regular simple graphs with girth at least g
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CROSSREFS
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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), this sequence (k=7), A185284 (k=8), A185294 (k=9).
Sequence in context: A053764 A122251 A015481 * A145183 A124417 A159356
Adjacent sequences: A185271 A185272 A185273 * A185275 A185276 A185277
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KEYWORD
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nonn,more,hard
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AUTHOR
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Jason Kimberley, Feb 22 2011
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STATUS
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approved
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