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A278383 Number of nX6 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes. 2
1, 1350, 100807, 4703562, 179716850, 6204309386, 198563803019, 5851197688577, 157794170262819, 3912513274701995, 90233123783207419, 1960361831058212555, 40518771843257636636, 801152317698519068308, 15177259705860270641696 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A278385.
LINKS
EXAMPLE
Some solutions for n=3
..1..1..1..1..1..0. .1..1..0..0..1..1. .1..0..1..0..1..1. .1..1..0..1..1..0
..0..0..0..0..0..1. .0..0..0..1..0..1. .0..1..1..0..0..1. .0..0..1..0..1..0
..1..0..0..0..0..0. .1..0..0..1..1..1. .0..1..1..1..0..0. .0..1..0..0..1..1
CROSSREFS
Cf. A278385.
Sequence in context: A224743 A260542 A307218 * A174638 A154375 A243132
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 20 2016
STATUS
approved

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Last modified March 4 02:53 EST 2024. Contains 370522 sequences. (Running on oeis4.)