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A147883 Number of consistent sets of 9 irreflexive binary order relationships over n objects. 2
0, 0, 0, 960, 838130, 71331470, 2134043800, 33969932808 (list; graph; refs; listen; history; internal format)
OFFSET

2,4

CROSSREFS

Sequence in context: A206079 A203732 A157851 * A166964 A063797 A098207

Adjacent sequences:  A147880 A147881 A147882 * A147884 A147885 A147886

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 06:27 EST 2012. Contains 205860 sequences.