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A147872 Number of consistent sets of 7 irreflexive binary order relationships over n objects. 1
0, 0, 0, 6540, 496680, 10931760, 124318112, 934536600, 5284309680 (list; graph; refs; listen; history; internal format)
OFFSET

2,4

CROSSREFS

Sequence in context: A068270 A034627 A101704 * A137231 A043488 A046321

Adjacent sequences:  A147869 A147870 A147871 * A147873 A147874 A147875

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) May 04 2009

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Last modified February 16 14:04 EST 2012. Contains 205925 sequences.