A220229 Majority value maps: number of 4Xn 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 4Xn array

1, 65, 697, 8819, 103153, 1198517, 13984325, 162860081, 1899235666, 22140957718, 258110850794, 3008979133203, 35076844684438, 408906034346273, 4766777877458791

Offset

1,2

Comments

Row 4 of A220226

Links

Table of n, a(n) for n=1..15.

Example

Some solutions for n=3
..0..0..0....1..1..1....1..1..1....1..0..0....0..1..1....1..1..0....0..1..1
..0..0..1....0..1..0....0..0..0....0..0..0....0..1..1....0..0..1....0..1..1
..1..1..1....0..1..0....1..1..1....1..0..0....1..1..0....0..0..0....0..1..1
..0..1..0....1..0..0....1..0..1....0..0..0....1..0..1....1..1..1....0..1..1

Crossrefs

Sequence in context: A211404 A297317 A224099 * A200890 A268265 A353939

Adjacent sequences: A220226 A220227 A220228 * A220230 A220231 A220232

Keyword

nonn

Author

R. H. Hardin Dec 08 2012

Status

approved