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A278606 Number of nX3 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes. 1
0, 395, 53360, 5985658, 442089480, 23974522382, 1079873605870, 43032494710944, 1543764930874168, 49834351539480647, 1446202850114983762, 37846411522577242503, 898595003941582092008, 19500004359246529094765 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A278610.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

..3..1..0. .3..2..2. .3..3..2. .3..3..0. .3..2..3. .3..0..0. .3..3..1

..0..0..3. .3..2..2. .1..1..1. .1..0..3. .2..1..1. .1..2..0. .1..3..2

..3..2..2. .1..2..0. .3..1..2. .3..2..3. .0..3..3. .2..0..0. .1..2..2

CROSSREFS

Cf. A278610.

Sequence in context: A278610 A278605 A278269 * A230450 A247989 A126078

Adjacent sequences:  A278603 A278604 A278605 * A278607 A278608 A278609

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 23 2016

STATUS

approved

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Last modified September 27 19:34 EDT 2021. Contains 347694 sequences. (Running on oeis4.)