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A220008 Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nX6 array 0
56, 154, 5686, 172143, 4135362, 83856137, 1728522691, 38003119019, 846454884120, 18017900315394, 359962291737050, 6817357120618569, 124115873900832957, 2186082272472604299 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A220010

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A226128 A038850 A220042 * A044388 A044769 A154034

Adjacent sequences:  A220005 A220006 A220007 * A220009 A220010 A220011

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 03 2012

STATUS

approved

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Last modified January 28 21:00 EST 2022. Contains 350663 sequences. (Running on oeis4.)