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A278367
Number of nX3 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
1
0, 59, 3766, 184341, 5897660, 138641633, 2705568336, 46817185633, 733865213852, 10436129552575, 134500209406905, 1574376228128520, 16823886495202722, 165209993322147396, 1501159407870244666, 12704143377811774222
OFFSET
1,2
COMMENTS
Column 3 of A278372.
FORMULA
Empirical polynomial of degree 107 (see link above)
EXAMPLE
Some solutions for n=4
..2..0..0. .2..0..0. .1..0..1. .1..0..2. .2..0..2. .2..0..0. .2..0..1
..2..2..0. .2..1..0. .0..2..0. .0..0..0. .0..0..1. .1..1..2. .1..0..0
..2..2..1. .0..1..2. .0..2..1. .2..1..0. .2..1..2. .2..1..0. .0..1..1
..0..0..0. .2..1..2. .0..1..0. .2..0..2. .1..2..2. .1..0..0. .2..2..0
CROSSREFS
Cf. A278372.
Sequence in context: A263508 A119886 A135649 * A198509 A258269 A094489
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2016
STATUS
approved