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A278853
Number of nX6 0..1 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.
1
1, 1486, 118158, 4950399, 154090507, 4026240722, 92891826961, 1935392159582, 36831668321915, 644951602341507, 10454319538089429, 157736949429737228, 2227039251935175027, 29569631792451694669, 370951068728197563294
OFFSET
1,2
COMMENTS
Column 6 of A278855.
LINKS
EXAMPLE
Some solutions for n=3
..1..1..0..0..1..0. .0..1..1..1..0..1. .1..0..0..0..1..1. .0..0..0..0..0..1
..0..0..0..1..1..0. .1..0..0..1..0..0. .1..1..1..0..1..0. .0..0..0..0..1..1
..1..0..1..0..0..0. .1..1..0..1..1..0. .0..0..1..0..0..0. .1..0..0..1..0..1
CROSSREFS
Cf. A278855.
Sequence in context: A269923 A288075 A104742 * A051260 A351675 A317593
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2016
STATUS
approved