login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A220286 Equals one maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and vertical neighbors in a random 0..1 nX5 array 0
16, 424, 9430, 232795, 5691450, 147661377 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A220287

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A268053 A268076 A202546 * A322713 A275035 A275140

Adjacent sequences:  A220283 A220284 A220285 * A220287 A220288 A220289

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 09 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 January 16 13:05 EST 2022. Contains 350376 sequences. (Running on oeis4.)