login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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 0
1, 2, 16, 169, 3808, 166748, 15411145, 2929991369, 1123026142524, 859987333591472 (list; graph; refs; listen; history; text; internal format)
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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 15 12:29 EDT 2021. Contains 345048 sequences. (Running on oeis4.)