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A219584 Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 7Xn array 0
84, 2447, 175054, 9838834, 712907937, 51875846851 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A219578

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A297486 A104674 A221010 * A140903 A219470 A219372

Adjacent sequences:  A219581 A219582 A219583 * A219585 A219586 A219587

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 23 2012

STATUS

approved

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Last modified January 27 23:41 EST 2022. Contains 350654 sequences. (Running on oeis4.)