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A268002 Number of nX4 0..4 arrays with every repeated value in every row and column equal to the previous repeated value, and new values introduced in row-major sequential order. 1
14, 3552, 1880990, 982227549, 477324637497, 217487430054270, 94140118844723912, 39105380203795427033, 15706598714125002923524, 6134460937389813920089978, 2340046547460981434121930658 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A268003.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..17

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A268003.

Sequence in context: A064075 A206627 A268179 * A188955 A157824 A180588

Adjacent sequences:  A267999 A268000 A268001 * A268003 A268004 A268005

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 24 2016

STATUS

approved

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Last modified April 7 04:20 EDT 2020. Contains 333292 sequences. (Running on oeis4.)