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A219577 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nX7 array 0
84, 881, 82431, 7579137, 572032559 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A219578

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A219827 A219719 A069080 * A093284 A027794 A219713

Adjacent sequences:  A219574 A219575 A219576 * A219578 A219579 A219580

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 23 2012

STATUS

approved

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Last modified January 28 07:25 EST 2022. Contains 350654 sequences. (Running on oeis4.)