A219446 - OEIS

A219446

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..2 n X n array

1, 2, 16, 169, 3808, 166748, 15411145, 2929991369, 1123026142524, 859987333591472

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OFFSET

1,2

COMMENTS

Diagonal of A219451

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A217804 A217799 A123555 * A215702 A155659 A108999

Adjacent sequences: A219443 A219444 A219445 * A219447 A219448 A219449

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 20 2012

STATUS

approved