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A203249 Number of nX2 0..3 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other 0
16, 88, 12, 776, 760, 16104, 120260, 287100, 12080288, 2926632, 1009513332, 1912765380, 57534385968, 579172984788, 1927759303016 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A203252

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A224143 A225007 A070052 * A022676 A035291 A120045

Adjacent sequences:  A203246 A203247 A203248 * A203250 A203251 A203252

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 30 2011

STATUS

approved

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Last modified August 19 21:19 EDT 2019. Contains 326133 sequences. (Running on oeis4.)