A219815 - OEIS

A219815

Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX7 array

28, 91, 1588, 22017, 283334, 3967857, 59065976, 864699568, 12174420630, 164256040933, 2133182509213

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OFFSET

1,1

COMMENTS

Column 7 of A219816

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A341623 A272399 A113958 * A044215 A044596 A331765

Adjacent sequences: A219812 A219813 A219814 * A219816 A219817 A219818

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 28 2012

STATUS

approved