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A278307
Number of nX6 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake.
1
266, 51562, 11557658, 2506281752, 507575149862, 100825279690194, 20065923383306483, 3886257287342627627, 704764955038032952712, 117079743963382645853885, 17705807900846493728558253
OFFSET
1,1
COMMENTS
Column 6 of A278309.
LINKS
EXAMPLE
Some solutions for n=2
..0..0..1..1..2..0. .0..0..0..1..0..1. .0..0..1..1..0..2. .0..0..0..1..0..2
..1..2..1..2..2..0. .0..1..2..2..1..0. .1..1..0..2..2..1. .0..0..1..2..2..1
CROSSREFS
Cf. A278309.
Sequence in context: A265034 A278625 A144662 * A060402 A306120 A232106
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 17 2016
STATUS
approved