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A209052 Number of nX2 0..6 arrays with every element value z a city block distance of exactly z from another element value z 0
2, 13, 115, 1468, 22738, 415695, 7893620, 136638297, 2269919266 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A209054

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=5

..2..4....4..4....2..4....4..4....0..3....4..0....1..1....5..1....4..3....1..0

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

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

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

..0..4....4..4....3..4....2..0....1..4....0..3....4..4....2..5....3..3....1..1

CROSSREFS

Sequence in context: A209174 A209718 A208958 * A209217 A000180 A215715

Adjacent sequences:  A209049 A209050 A209051 * A209053 A209054 A209055

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 04 2012

STATUS

approved

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Last modified February 17 23:47 EST 2018. Contains 299297 sequences. (Running on oeis4.)