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A220228 Majority value maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..1 3Xn array 1
1, 19, 115, 694, 4244, 25771, 156627, 952152, 5791155, 35212909, 214118912, 1302044409, 7917515074, 48145113993, 292763221173, 1780247911592, 10825410249051, 65827639273982, 400287647868551, 2434086938990655 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 3 of A220226

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..27

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A142370 A084751 A041694 * A027460 A213556 A293879

Adjacent sequences:  A220225 A220226 A220227 * A220229 A220230 A220231

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 08 2012

STATUS

approved

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Last modified January 21 02:59 EST 2019. Contains 319344 sequences. (Running on oeis4.)