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A217456 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nX7 array 0
163, 16887, 2122623, 211328743, 23851967507, 2588934295383, 283827195520911, 31078249002177539 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A217457

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A219127 A270203 A049498 * A138932 A217963 A138200

Adjacent sequences:  A217453 A217454 A217455 * A217457 A217458 A217459

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 03 2012

STATUS

approved

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Last modified June 20 13:04 EDT 2021. Contains 345164 sequences. (Running on oeis4.)