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A266079 Number of nX6 integer arrays with each element equal to the number of horizontal and vertical neighbors differing from itself by exactly one. 1
2, 4, 12, 26, 29, 78, 146, 364, 783, 1773, 4170, 9548, 21795, 50340, 116807, 269080, 621237, 1433845, 3314057, 7645131, 17658119, 40801550, 94240870, 217596976, 502694842, 1161236323, 2681811462, 6194408530, 14310237182, 33054393201 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A266081.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A266081.

Sequence in context: A048148 A080375 A136253 * A284125 A045678 A236002

Adjacent sequences:  A266076 A266077 A266078 * A266080 A266081 A266082

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 20 2015

STATUS

approved

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Last modified July 26 20:17 EDT 2021. Contains 346294 sequences. (Running on oeis4.)