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A147817 Number of consistent sets of 4 irreflexive binary order relationships over n objects. 1
0, 0, 186, 3050, 20790, 93030, 321580, 930636, 2362500, 5420580 (list; graph; refs; listen; history; internal format)
OFFSET

2,3

CROSSREFS

Sequence in context: A189941 A151701 A200199 * A161619 A206515 A146502

Adjacent sequences:  A147814 A147815 A147816 * A147818 A147819 A147820

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.