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A147860 Number of consistent sets of 6 irreflexive binary order relationships over n objects. 1
0, 0, 24, 7960, 240480, 2934568, 21663936, 115970400, 495329520 (list; graph; refs; listen; history; internal format)
OFFSET

2,3

CROSSREFS

Sequence in context: A181232 A088616 A158042 * A159409 A167824 A065142

Adjacent sequences:  A147857 A147858 A147859 * A147861 A147862 A147863

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.