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A219698 Number of n X n 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 columns, 0..1 n X n array 0
2, 3, 13, 64, 518, 6976, 154731, 6221117, 488520098, 72512111703 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A219704

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

..0..0..1....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

..0..0..0....0..0..0....0..0..1....0..0..1....0..0..0....0..0..0....0..0..0

..0..0..0....0..0..1....0..1..1....0..0..1....1..1..1....0..1..1....1..0..0

CROSSREFS

Sequence in context: A206482 A164582 A068945 * A293251 A061912 A212433

Adjacent sequences:  A219695 A219696 A219697 * A219699 A219700 A219701

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 25 2012

STATUS

approved

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Last modified July 11 17:52 EDT 2020. Contains 335626 sequences. (Running on oeis4.)