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A267956 Number of nX6 0..2 arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order. 0
77, 35574, 8239879, 2290723921, 495859988413, 112089546220707, 22894037516177941, 4695745214339217593, 920576027967120137161 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A267957.

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A267957.

Sequence in context: A226256 A120799 A266054 * A267910 A271243 A271244

Adjacent sequences:  A267953 A267954 A267955 * A267957 A267958 A267959

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 22 2016

STATUS

approved

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Last modified October 30 06:31 EDT 2020. Contains 338077 sequences. (Running on oeis4.)