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A268071 Number of nX4 0..3 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. 1
12, 2191, 381958, 70985206, 12341773443, 2135811945390, 360625109847257, 60269655478497862, 9949083335191755757, 1629156960066795552208, 264820932563055654137153, 42807217788424085785910968 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A268073.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..43

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A268073.

Sequence in context: A177069 A204681 A205157 * A205306 A268421 A129206

Adjacent sequences:  A268068 A268069 A268070 * A268072 A268073 A268074

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 25 2016

STATUS

approved

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Last modified May 7 19:41 EDT 2021. Contains 343652 sequences. (Running on oeis4.)