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A219857 Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 6Xn array 0
28, 108, 1815, 28116, 356688, 4032388, 43528933, 457223032, 4709163589, 47522708493, 466658768529, 4439697526894 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A219852

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Sequence in context: A010016 A256647 A223492 * A068196 A044279 A044660

Adjacent sequences:  A219854 A219855 A219856 * A219858 A219859 A219860

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 29 2012

STATUS

approved

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Last modified September 30 03:02 EDT 2022. Contains 357095 sequences. (Running on oeis4.)