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A219397 Unchanging value maps: number of n X n binary arrays indicating the locations of corresponding elements unequal to no king-move neighbor in a random 0..1 n X n array 0
1, 2, 16, 165, 3668, 157672, 13982113, 2515924143, 901586411968, 639594948102158 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A219403

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A326362 A287222 A216598 * A275912 A181914 A089624

Adjacent sequences:  A219394 A219395 A219396 * A219398 A219399 A219400

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 19 2012

STATUS

approved

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Last modified April 5 22:40 EDT 2020. Contains 333260 sequences. (Running on oeis4.)