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A266136 Number of 6Xn integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself. 0
1, 544, 9083, 19750, 326145, 13689944, 325554385, 3901509248, 74115297377, 2013995093008, 45630856227503, 832426433462416 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A266131.

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A266131.

Sequence in context: A051305 A204732 A204725 * A204724 A168564 A223376

Adjacent sequences:  A266133 A266134 A266135 * A266137 A266138 A266139

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 21 2015

STATUS

approved

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Last modified October 19 22:05 EDT 2021. Contains 348095 sequences. (Running on oeis4.)