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A209719 Number of nX3 0..4 arrays with every element value z a city block distance of exactly z from another element value z 0
5, 115, 5822, 411940, 29021568, 1712295424, 100332786038 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A209720

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A208783 A089638 A209175 * A208959 A209053 A255884

Adjacent sequences:  A209716 A209717 A209718 * A209720 A209721 A209722

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 12 2012

STATUS

approved

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Last modified August 12 07:10 EDT 2022. Contains 356067 sequences. (Running on oeis4.)