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A219807 Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 6Xn array 0
56, 116, 3227, 52704, 840315, 12642165, 186308295, 2698382566, 37993752219, 515096792943, 6705513923385, 84047907114772 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A219802

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Sequence in context: A280932 A039534 A063347 * A219458 A054891 A118161

Adjacent sequences:  A219804 A219805 A219806 * A219808 A219809 A219810

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 28 2012

STATUS

approved

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Last modified January 27 18:20 EST 2022. Contains 350611 sequences. (Running on oeis4.)