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!)
A220320 Majority value maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and vertical neighbors in a random 0..3 nX3 array 1
4, 35, 243, 1887, 15189, 116448, 909903, 7061662, 54764410, 425003183, 3295808062, 25561278738, 198233289265, 1537281767263, 11921547738532, 92449984931302, 716936108446899, 5559728723273092, 43114791778783459, 334348143414517835 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A220323

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..100

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A354855 A128811 A220256 * A261186 A104526 A174436

Adjacent sequences:  A220317 A220318 A220319 * A220321 A220322 A220323

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 10 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 9 05:42 EDT 2022. Contains 356016 sequences. (Running on oeis4.)