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A268106 Number of 3Xn 0..n arrays with every repeated value in every row and column greater than or equal to the previous repeated value. 0
8, 729, 262144, 232608375, 427979206656, 1422917069386176, 7780188517552009728, 65282814314072669856303, 797471492064362985335311000, 13607369559752757079941998010377 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 3 of A268103.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..0..0..4..1..5....0..0..5..0..5....0..0..5..1..3....0..0..3..2..1
..0..3..2..5..4....0..3..4..0..0....3..3..5..1..2....0..3..4..3..0
CROSSREFS
Cf. A268103.
Sequence in context: A220641 A017007 A268250 * A023813 A068895 A115590
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 26 2016
STATUS
approved

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Last modified March 28 04:05 EDT 2024. Contains 371235 sequences. (Running on oeis4.)