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!)
A221503 Majority value maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..3 6Xn array 0
1, 616, 72625, 4882030, 356799776, 23379869304, 1542965772979 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A221499

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Sequence in context: A219415 A332161 A221040 * A275048 A350083 A275739

Adjacent sequences:  A221500 A221501 A221502 * A221504 A221505 A221506

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 18 2013

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 22 12:12 EST 2022. Contains 350481 sequences. (Running on oeis4.)