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A181231 Number of nX(n+1) binary matrices with all rows unique and all columns unique 3
2, 24, 1608, 483840, 595506240, 2881362718080, 53971723989630720, 3905883638351009925120, 1097181147335459123569766400, 1204583321001156830831556548812800, 5203385513364984367494095906614850764800, 88913167483454945080054825759528983277687603200 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n) = A181230(n,n+1).
CROSSREFS
Subdiagonal of A181230.
Sequence in context: A028365 A094050 A000479 * A111427 A081955 A292797
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 10 2010
EXTENSIONS
More terms from Max Alekseyev, Jun 18 2016
STATUS
approved

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Last modified July 18 06:54 EDT 2024. Contains 374377 sequences. (Running on oeis4.)