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A220050 Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 7Xn array 0
120, 2447, 79295, 4640546, 201839765, 9051330168 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A220044

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A166779 A038745 A267839 * A032180 A000553 A126232

Adjacent sequences:  A220047 A220048 A220049 * A220051 A220052 A220053

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 03 2012

STATUS

approved

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Last modified August 17 08:02 EDT 2022. Contains 356184 sequences. (Running on oeis4.)