login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A217449 Number of n X n arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 n X n array 0
3, 15, 613, 60821, 28176327, 45755747495, 283827195520911 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A217457

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A122579 A138303 A267096 * A167220 A296939 A077399

Adjacent sequences:  A217446 A217447 A217448 * A217450 A217451 A217452

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 03 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 May 19 20:41 EDT 2019. Contains 323410 sequences. (Running on oeis4.)