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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
OFFSET
1,1
COMMENTS
Column 4 of A268003.
LINKS
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 * A368022 A337961 A188955
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 24 2016
STATUS
approved