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A265971 Number of nX6 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique. 1
4616, 190308, 339952, 721864, 1820904, 5006296, 13435392, 35632192, 95276272, 261736272, 709324400, 1927403116, 5292526288, 14866077768, 40973803912, 112866192572, 314639453512, 897120499588, 2505530846832, 6976518689796 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A265973.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A265973.

Sequence in context: A108009 A263115 A210350 * A265926 A260054 A253115

Adjacent sequences:  A265968 A265969 A265970 * A265972 A265973 A265974

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 19 2015

STATUS

approved

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Last modified November 28 01:20 EST 2021. Contains 349395 sequences. (Running on oeis4.)