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A265968 Number of nX3 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique. 1
92, 1504, 6112, 23920, 89776, 339952, 1282192, 4848664, 18309816, 69096768, 260725200, 984425248, 3713747128, 14013775968, 52889517856, 199579642728, 753070588072, 2841950773104, 10724343546776, 40468052281360 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A265973.
LINKS
EXAMPLE
Some solutions for n=4
..0..3..1....3..3..2....4..0..2....1..1..2....3..4..2....3..0..1....0..3..1
..1..3..4....1..1..0....1..3..2....0..4..4....0..0..2....3..4..1....0..4..4
..1..0..4....4..4..0....1..3..0....0..3..1....1..1..3....1..4..3....2..1..3
..4..0..1....0..3..3....4..4..1....2..3..0....3..4..0....0..0..3....2..1..3
CROSSREFS
Cf. A265973.
Sequence in context: A172449 A251934 A064203 * A179798 A232795 A269439
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2015
STATUS
approved

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Last modified May 27 11:00 EDT 2024. Contains 372858 sequences. (Running on oeis4.)