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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A278656.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..47

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

Adjacent sequences:  A278651 A278652 A278653 * A278655 A278656 A278657

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 25 2016

STATUS

approved

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Last modified September 17 01:53 EDT 2021. Contains 347478 sequences. (Running on oeis4.)