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A268179 Number of nX4 0..4 arrays with every repeated value in every row equal to, and in every column unequal to, the previous repeated value, and new values introduced in row-major sequential order. 1
14, 3552, 1589578, 829256141, 423155007379, 214576839826736, 107394776331325897, 53302504644837846400, 26248089243240734040857, 12845211922803675025776670, 6252745531707973995264823525 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A268180.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..16

EXAMPLE

Some solutions for n=2

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

..1..4..2..4....1..1..0..2....0..3..0..4....3..0..3..1....0..1..1..2

CROSSREFS

Cf. A268180.

Sequence in context: A208386 A064075 A206627 * A268002 A337961 A188955

Adjacent sequences:  A268176 A268177 A268178 * A268180 A268181 A268182

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 28 2016

STATUS

approved

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Last modified May 16 22:37 EDT 2022. Contains 353724 sequences. (Running on oeis4.)