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A203597 Number of nX4 0..2 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other 0
26, 16, 1430, 20000, 584450, 37380604, 126312616, 51978629884, 1008504232796 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A203600

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A305044 A064267 A131083 * A040652 A154295 A277685

Adjacent sequences:  A203594 A203595 A203596 * A203598 A203599 A203600

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 03 2012

STATUS

approved

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Last modified September 19 04:39 EDT 2019. Contains 327187 sequences. (Running on oeis4.)