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A278654
Number of nX6 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.
1
77, 235446, 159247403, 71471902148, 25885621037640, 8050796188459694, 2208684003726307854, 542480212289851122353, 120541770267352306944197, 24447675261852941312290800, 4562394192215182263825547747
OFFSET
1,1
COMMENTS
Column 6 of A278656.
LINKS
EXAMPLE
Some solutions for n=1
..0..1..2..1..0..2. .0..2..0..2..0..2. .1..2..0..2..0..1. .0..2..1..2..0..2
CROSSREFS
Cf. A278656.
Sequence in context: A196543 A201983 A278370 * A331630 A098024 A117330
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 25 2016
STATUS
approved